allow passing description+extra to batch endpoints

Pretty messy, but I needed some way to do this.

In particular, requires json.dumps() in python code, for now. Blech.

12 files changed, 519 insertions, 136 deletions

diff --git a/rust/fatcat-api-spec/README.md b/rust/fatcat-api-spec/README.md
index 2ea830e9..cacded6a 100644
--- a/rust/fatcat-api-spec/README.md
+++ b/rust/fatcat-api-spec/README.md
@@ -13,7 +13,7 @@ To see how to make this your own, look here:
 [README](https://github.com/swagger-api/swagger-codegen/blob/master/README.md)
 
 - API version: 0.1.0
-- Build date: 2019-01-21T20:07:57.927Z
+- Build date: 2019-01-23T05:30:23.378Z
 
 This autogenerated project defines an API crate `fatcat` which contains:
 * An `Api` trait defining the API in Rust.
diff --git a/rust/fatcat-api-spec/api.yaml b/rust/fatcat-api-spec/api.yaml
index c0411bbc..14b70c39 100644
--- a/rust/fatcat-api-spec/api.yaml
+++ b/rust/fatcat-api-spec/api.yaml
@@ -706,6 +706,14 @@ paths:
           type: string
           required: false
           description: "Editgroup to auto-accept and apply to all entities (required if 'autoaccept' is True)"
+        - name: description
+          in: query
+          type: string
+          required: false
+        - name: extra
+          in: query
+          type: string
+          required: false
         - name: entity_list
           in: body
           required: true
@@ -964,6 +972,14 @@ paths:
           type: string
           required: false
           description: "Editgroup to auto-accept and apply to all entities (required if 'autoaccept' is True)"
+        - name: description
+          in: query
+          type: string
+          required: false
+        - name: extra
+          in: query
+          type: string
+          required: false
         - name: entity_list
           in: body
           required: true
@@ -1245,6 +1261,14 @@ paths:
           type: string
           required: false
           description: "Editgroup to auto-accept and apply to all entities (required if 'autoaccept' is True)"
+        - name: description
+          in: query
+          type: string
+          required: false
+        - name: extra
+          in: query
+          type: string
+          required: false
         - name: entity_list
           in: body
           required: true
@@ -1508,6 +1532,14 @@ paths:
           type: string
           required: false
           description: "Editgroup to auto-accept and apply to all entities (required if 'autoaccept' is True)"
+        - name: description
+          in: query
+          type: string
+          required: false
+        - name: extra
+          in: query
+          type: string
+          required: false
         - name: entity_list
           in: body
           required: true
@@ -1737,6 +1769,14 @@ paths:
           type: string
           required: false
           description: "Editgroup to auto-accept and apply to all entities (required if 'autoaccept' is True)"
+        - name: description
+          in: query
+          type: string
+          required: false
+        - name: extra
+          in: query
+          type: string
+          required: false
         - name: entity_list
           in: body
           required: true
@@ -1966,6 +2006,14 @@ paths:
           type: string
           required: false
           description: "Editgroup to auto-accept and apply to all entities (required if 'autoaccept' is True)"
+        - name: description
+          in: query
+          type: string
+          required: false
+        - name: extra
+          in: query
+          type: string
+          required: false
         - name: entity_list
           in: body
           required: true
@@ -2318,6 +2366,14 @@ paths:
           type: string
           required: false
           description: "Editgroup to auto-accept and apply to all entities (required if 'autoaccept' is True)"
+        - name: description
+          in: query
+          type: string
+          required: false
+        - name: extra
+          in: query
+          type: string
+          required: false
         - name: entity_list
           in: body
           required: true
diff --git a/rust/fatcat-api-spec/api/swagger.yaml b/rust/fatcat-api-spec/api/swagger.yaml
index ca5c8838..927bb941 100644
--- a/rust/fatcat-api-spec/api/swagger.yaml
+++ b/rust/fatcat-api-spec/api/swagger.yaml
@@ -135,6 +135,18 @@ paths:
         type: "string"
         formatString: "{:?}"
         example: "Some(\"editgroup_id_example\".to_string())"
+      - name: "description"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"description_example\".to_string())"
+      - name: "extra"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"extra_example\".to_string())"
       - in: "body"
         name: "entity_list"
         required: true
@@ -981,6 +993,18 @@ paths:
         type: "string"
         formatString: "{:?}"
         example: "Some(\"editgroup_id_example\".to_string())"
+      - name: "description"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"description_example\".to_string())"
+      - name: "extra"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"extra_example\".to_string())"
       - in: "body"
         name: "entity_list"
         required: true
@@ -1891,6 +1915,18 @@ paths:
         type: "string"
         formatString: "{:?}"
         example: "Some(\"editgroup_id_example\".to_string())"
+      - name: "description"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"description_example\".to_string())"
+      - name: "extra"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"extra_example\".to_string())"
       - in: "body"
         name: "entity_list"
         required: true
@@ -2750,6 +2786,18 @@ paths:
         type: "string"
         formatString: "{:?}"
         example: "Some(\"editgroup_id_example\".to_string())"
+      - name: "description"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"description_example\".to_string())"
+      - name: "extra"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"extra_example\".to_string())"
       - in: "body"
         name: "entity_list"
         required: true
@@ -3519,6 +3567,18 @@ paths:
         type: "string"
         formatString: "{:?}"
         example: "Some(\"editgroup_id_example\".to_string())"
+      - name: "description"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"description_example\".to_string())"
+      - name: "extra"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"extra_example\".to_string())"
       - in: "body"
         name: "entity_list"
         required: true
@@ -4288,6 +4348,18 @@ paths:
         type: "string"
         formatString: "{:?}"
         example: "Some(\"editgroup_id_example\".to_string())"
+      - name: "description"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"description_example\".to_string())"
+      - name: "extra"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"extra_example\".to_string())"
       - in: "body"
         name: "entity_list"
         required: true
@@ -5360,6 +5432,18 @@ paths:
         type: "string"
         formatString: "{:?}"
         example: "Some(\"editgroup_id_example\".to_string())"
+      - name: "description"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"description_example\".to_string())"
+      - name: "extra"
+        in: "query"
+        required: false
+        type: "string"
+        formatString: "{:?}"
+        example: "Some(\"extra_example\".to_string())"
       - in: "body"
         name: "entity_list"
         required: true
diff --git a/rust/fatcat-api-spec/examples/client.rs b/rust/fatcat-api-spec/examples/client.rs
index 196580e4..40a5a3ab 100644
--- a/rust/fatcat-api-spec/examples/client.rs
+++ b/rust/fatcat-api-spec/examples/client.rs
@@ -144,7 +144,15 @@ fn main() {
         //     println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         //  },
         Some("CreateContainerBatch") => {
-            let result = client.create_container_batch(&Vec::new(), Some(true), Some("editgroup_id_example".to_string())).wait();
+            let result = client
+                .create_container_batch(
+                    &Vec::new(),
+                    Some(true),
+                    Some("editgroup_id_example".to_string()),
+                    Some("description_example".to_string()),
+                    Some("extra_example".to_string()),
+                )
+                .wait();
             println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         }
 
@@ -211,7 +219,15 @@ fn main() {
         //     println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         //  },
         Some("CreateCreatorBatch") => {
-            let result = client.create_creator_batch(&Vec::new(), Some(true), Some("editgroup_id_example".to_string())).wait();
+            let result = client
+                .create_creator_batch(
+                    &Vec::new(),
+                    Some(true),
+                    Some("editgroup_id_example".to_string()),
+                    Some("description_example".to_string()),
+                    Some("extra_example".to_string()),
+                )
+                .wait();
             println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         }
 
@@ -359,7 +375,15 @@ fn main() {
         //     println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         //  },
         Some("CreateFileBatch") => {
-            let result = client.create_file_batch(&Vec::new(), Some(true), Some("editgroup_id_example".to_string())).wait();
+            let result = client
+                .create_file_batch(
+                    &Vec::new(),
+                    Some(true),
+                    Some("editgroup_id_example".to_string()),
+                    Some("description_example".to_string()),
+                    Some("extra_example".to_string()),
+                )
+                .wait();
             println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         }
 
@@ -427,7 +451,15 @@ fn main() {
         //     println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         //  },
         Some("CreateFilesetBatch") => {
-            let result = client.create_fileset_batch(&Vec::new(), Some(true), Some("editgroup_id_example".to_string())).wait();
+            let result = client
+                .create_fileset_batch(
+                    &Vec::new(),
+                    Some(true),
+                    Some("editgroup_id_example".to_string()),
+                    Some("description_example".to_string()),
+                    Some("extra_example".to_string()),
+                )
+                .wait();
             println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         }
 
@@ -482,7 +514,15 @@ fn main() {
         //     println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         //  },
         Some("CreateReleaseBatch") => {
-            let result = client.create_release_batch(&Vec::new(), Some(true), Some("editgroup_id_example".to_string())).wait();
+            let result = client
+                .create_release_batch(
+                    &Vec::new(),
+                    Some(true),
+                    Some("editgroup_id_example".to_string()),
+                    Some("description_example".to_string()),
+                    Some("extra_example".to_string()),
+                )
+                .wait();
             println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         }
 
@@ -575,7 +615,15 @@ fn main() {
         //     println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         //  },
         Some("CreateWebcaptureBatch") => {
-            let result = client.create_webcapture_batch(&Vec::new(), Some(true), Some("editgroup_id_example".to_string())).wait();
+            let result = client
+                .create_webcapture_batch(
+                    &Vec::new(),
+                    Some(true),
+                    Some("editgroup_id_example".to_string()),
+                    Some("description_example".to_string()),
+                    Some("extra_example".to_string()),
+                )
+                .wait();
             println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         }
 
@@ -624,7 +672,15 @@ fn main() {
         //     println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         //  },
         Some("CreateWorkBatch") => {
-            let result = client.create_work_batch(&Vec::new(), Some(true), Some("editgroup_id_example".to_string())).wait();
+            let result = client
+                .create_work_batch(
+                    &Vec::new(),
+                    Some(true),
+                    Some("editgroup_id_example".to_string()),
+                    Some("description_example".to_string()),
+                    Some("extra_example".to_string()),
+                )
+                .wait();
             println!("{:?} (X-Span-ID: {:?})", result, client.context().x_span_id.clone().unwrap_or(String::from("<none>")));
         }
 
diff --git a/rust/fatcat-api-spec/examples/server_lib/server.rs b/rust/fatcat-api-spec/examples/server_lib/server.rs
index 20336528..98f31485 100644
--- a/rust/fatcat-api-spec/examples/server_lib/server.rs
+++ b/rust/fatcat-api-spec/examples/server_lib/server.rs
@@ -46,14 +46,18 @@ impl Api for Server {
         entity_list: &Vec<models::ContainerEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateContainerBatchResponse, Error = ApiError> + Send> {
         let context = context.clone();
         println!(
-            "create_container_batch({:?}, {:?}, {:?}) - X-Span-ID: {:?}",
+            "create_container_batch({:?}, {:?}, {:?}, {:?}, {:?}) - X-Span-ID: {:?}",
             entity_list,
             autoaccept,
             editgroup_id,
+            description,
+            extra,
             context.x_span_id.unwrap_or(String::from("<none>")).clone()
         );
         Box::new(futures::failed("Generic failure".into()))
@@ -171,14 +175,18 @@ impl Api for Server {
         entity_list: &Vec<models::CreatorEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateCreatorBatchResponse, Error = ApiError> + Send> {
         let context = context.clone();
         println!(
-            "create_creator_batch({:?}, {:?}, {:?}) - X-Span-ID: {:?}",
+            "create_creator_batch({:?}, {:?}, {:?}, {:?}, {:?}) - X-Span-ID: {:?}",
             entity_list,
             autoaccept,
             editgroup_id,
+            description,
+            extra,
             context.x_span_id.unwrap_or(String::from("<none>")).clone()
         );
         Box::new(futures::failed("Generic failure".into()))
@@ -465,14 +473,18 @@ impl Api for Server {
         entity_list: &Vec<models::FileEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateFileBatchResponse, Error = ApiError> + Send> {
         let context = context.clone();
         println!(
-            "create_file_batch({:?}, {:?}, {:?}) - X-Span-ID: {:?}",
+            "create_file_batch({:?}, {:?}, {:?}, {:?}, {:?}) - X-Span-ID: {:?}",
             entity_list,
             autoaccept,
             editgroup_id,
+            description,
+            extra,
             context.x_span_id.unwrap_or(String::from("<none>")).clone()
         );
         Box::new(futures::failed("Generic failure".into()))
@@ -592,14 +604,18 @@ impl Api for Server {
         entity_list: &Vec<models::FilesetEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateFilesetBatchResponse, Error = ApiError> + Send> {
         let context = context.clone();
         println!(
-            "create_fileset_batch({:?}, {:?}, {:?}) - X-Span-ID: {:?}",
+            "create_fileset_batch({:?}, {:?}, {:?}, {:?}, {:?}) - X-Span-ID: {:?}",
             entity_list,
             autoaccept,
             editgroup_id,
+            description,
+            extra,
             context.x_span_id.unwrap_or(String::from("<none>")).clone()
         );
         Box::new(futures::failed("Generic failure".into()))
@@ -697,14 +713,18 @@ impl Api for Server {
         entity_list: &Vec<models::ReleaseEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateReleaseBatchResponse, Error = ApiError> + Send> {
         let context = context.clone();
         println!(
-            "create_release_batch({:?}, {:?}, {:?}) - X-Span-ID: {:?}",
+            "create_release_batch({:?}, {:?}, {:?}, {:?}, {:?}) - X-Span-ID: {:?}",
             entity_list,
             autoaccept,
             editgroup_id,
+            description,
+            extra,
             context.x_span_id.unwrap_or(String::from("<none>")).clone()
         );
         Box::new(futures::failed("Generic failure".into()))
@@ -878,14 +898,18 @@ impl Api for Server {
         entity_list: &Vec<models::WebcaptureEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateWebcaptureBatchResponse, Error = ApiError> + Send> {
         let context = context.clone();
         println!(
-            "create_webcapture_batch({:?}, {:?}, {:?}) - X-Span-ID: {:?}",
+            "create_webcapture_batch({:?}, {:?}, {:?}, {:?}, {:?}) - X-Span-ID: {:?}",
             entity_list,
             autoaccept,
             editgroup_id,
+            description,
+            extra,
             context.x_span_id.unwrap_or(String::from("<none>")).clone()
         );
         Box::new(futures::failed("Generic failure".into()))
@@ -972,14 +996,18 @@ impl Api for Server {
         entity_list: &Vec<models::WorkEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateWorkBatchResponse, Error = ApiError> + Send> {
         let context = context.clone();
         println!(
-            "create_work_batch({:?}, {:?}, {:?}) - X-Span-ID: {:?}",
+            "create_work_batch({:?}, {:?}, {:?}, {:?}, {:?}) - X-Span-ID: {:?}",
             entity_list,
             autoaccept,
             editgroup_id,
+            description,
+            extra,
             context.x_span_id.unwrap_or(String::from("<none>")).clone()
         );
         Box::new(futures::failed("Generic failure".into()))
diff --git a/rust/fatcat-api-spec/src/client.rs b/rust/fatcat-api-spec/src/client.rs
index df9d2127..6d654146 100644
--- a/rust/fatcat-api-spec/src/client.rs
+++ b/rust/fatcat-api-spec/src/client.rs
@@ -272,17 +272,23 @@ impl Api for Client {
         param_entity_list: &Vec<models::ContainerEntity>,
         param_autoaccept: Option<bool>,
         param_editgroup_id: Option<String>,
+        param_description: Option<String>,
+        param_extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateContainerBatchResponse, Error = ApiError> + Send> {
         // Query parameters
         let query_autoaccept = param_autoaccept.map_or_else(String::new, |query| format!("autoaccept={autoaccept}&", autoaccept = query.to_string()));
         let query_editgroup_id = param_editgroup_id.map_or_else(String::new, |query| format!("editgroup_id={editgroup_id}&", editgroup_id = query.to_string()));
+        let query_description = param_description.map_or_else(String::new, |query| format!("description={description}&", description = query.to_string()));
+        let query_extra = param_extra.map_or_else(String::new, |query| format!("extra={extra}&", extra = query.to_string()));
 
         let url = format!(
-            "{}/v0/container/batch?{autoaccept}{editgroup_id}",
+            "{}/v0/container/batch?{autoaccept}{editgroup_id}{description}{extra}",
             self.base_path,
             autoaccept = utf8_percent_encode(&query_autoaccept, QUERY_ENCODE_SET),
-            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET)
+            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET),
+            description = utf8_percent_encode(&query_description, QUERY_ENCODE_SET),
+            extra = utf8_percent_encode(&query_extra, QUERY_ENCODE_SET)
         );
 
         let body = serde_json::to_string(&param_entity_list).expect("impossible to fail to serialize");
@@ -1167,17 +1173,23 @@ impl Api for Client {
         param_entity_list: &Vec<models::CreatorEntity>,
         param_autoaccept: Option<bool>,
         param_editgroup_id: Option<String>,
+        param_description: Option<String>,
+        param_extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateCreatorBatchResponse, Error = ApiError> + Send> {
         // Query parameters
         let query_autoaccept = param_autoaccept.map_or_else(String::new, |query| format!("autoaccept={autoaccept}&", autoaccept = query.to_string()));
         let query_editgroup_id = param_editgroup_id.map_or_else(String::new, |query| format!("editgroup_id={editgroup_id}&", editgroup_id = query.to_string()));
+        let query_description = param_description.map_or_else(String::new, |query| format!("description={description}&", description = query.to_string()));
+        let query_extra = param_extra.map_or_else(String::new, |query| format!("extra={extra}&", extra = query.to_string()));
 
         let url = format!(
-            "{}/v0/creator/batch?{autoaccept}{editgroup_id}",
+            "{}/v0/creator/batch?{autoaccept}{editgroup_id}{description}{extra}",
             self.base_path,
             autoaccept = utf8_percent_encode(&query_autoaccept, QUERY_ENCODE_SET),
-            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET)
+            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET),
+            description = utf8_percent_encode(&query_description, QUERY_ENCODE_SET),
+            extra = utf8_percent_encode(&query_extra, QUERY_ENCODE_SET)
         );
 
         let body = serde_json::to_string(&param_entity_list).expect("impossible to fail to serialize");
@@ -3364,17 +3376,23 @@ impl Api for Client {
         param_entity_list: &Vec<models::FileEntity>,
         param_autoaccept: Option<bool>,
         param_editgroup_id: Option<String>,
+        param_description: Option<String>,
+        param_extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateFileBatchResponse, Error = ApiError> + Send> {
         // Query parameters
         let query_autoaccept = param_autoaccept.map_or_else(String::new, |query| format!("autoaccept={autoaccept}&", autoaccept = query.to_string()));
         let query_editgroup_id = param_editgroup_id.map_or_else(String::new, |query| format!("editgroup_id={editgroup_id}&", editgroup_id = query.to_string()));
+        let query_description = param_description.map_or_else(String::new, |query| format!("description={description}&", description = query.to_string()));
+        let query_extra = param_extra.map_or_else(String::new, |query| format!("extra={extra}&", extra = query.to_string()));
 
         let url = format!(
-            "{}/v0/file/batch?{autoaccept}{editgroup_id}",
+            "{}/v0/file/batch?{autoaccept}{editgroup_id}{description}{extra}",
             self.base_path,
             autoaccept = utf8_percent_encode(&query_autoaccept, QUERY_ENCODE_SET),
-            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET)
+            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET),
+            description = utf8_percent_encode(&query_description, QUERY_ENCODE_SET),
+            extra = utf8_percent_encode(&query_extra, QUERY_ENCODE_SET)
         );
 
         let body = serde_json::to_string(&param_entity_list).expect("impossible to fail to serialize");
@@ -4256,17 +4274,23 @@ impl Api for Client {
         param_entity_list: &Vec<models::FilesetEntity>,
         param_autoaccept: Option<bool>,
         param_editgroup_id: Option<String>,
+        param_description: Option<String>,
+        param_extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateFilesetBatchResponse, Error = ApiError> + Send> {
         // Query parameters
         let query_autoaccept = param_autoaccept.map_or_else(String::new, |query| format!("autoaccept={autoaccept}&", autoaccept = query.to_string()));
         let query_editgroup_id = param_editgroup_id.map_or_else(String::new, |query| format!("editgroup_id={editgroup_id}&", editgroup_id = query.to_string()));
+        let query_description = param_description.map_or_else(String::new, |query| format!("description={description}&", description = query.to_string()));
+        let query_extra = param_extra.map_or_else(String::new, |query| format!("extra={extra}&", extra = query.to_string()));
 
         let url = format!(
-            "{}/v0/fileset/batch?{autoaccept}{editgroup_id}",
+            "{}/v0/fileset/batch?{autoaccept}{editgroup_id}{description}{extra}",
             self.base_path,
             autoaccept = utf8_percent_encode(&query_autoaccept, QUERY_ENCODE_SET),
-            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET)
+            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET),
+            description = utf8_percent_encode(&query_description, QUERY_ENCODE_SET),
+            extra = utf8_percent_encode(&query_extra, QUERY_ENCODE_SET)
         );
 
         let body = serde_json::to_string(&param_entity_list).expect("impossible to fail to serialize");
@@ -5071,17 +5095,23 @@ impl Api for Client {
         param_entity_list: &Vec<models::ReleaseEntity>,
         param_autoaccept: Option<bool>,
         param_editgroup_id: Option<String>,
+        param_description: Option<String>,
+        param_extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateReleaseBatchResponse, Error = ApiError> + Send> {
         // Query parameters
         let query_autoaccept = param_autoaccept.map_or_else(String::new, |query| format!("autoaccept={autoaccept}&", autoaccept = query.to_string()));
         let query_editgroup_id = param_editgroup_id.map_or_else(String::new, |query| format!("editgroup_id={editgroup_id}&", editgroup_id = query.to_string()));
+        let query_description = param_description.map_or_else(String::new, |query| format!("description={description}&", description = query.to_string()));
+        let query_extra = param_extra.map_or_else(String::new, |query| format!("extra={extra}&", extra = query.to_string()));
 
         let url = format!(
-            "{}/v0/release/batch?{autoaccept}{editgroup_id}",
+            "{}/v0/release/batch?{autoaccept}{editgroup_id}{description}{extra}",
             self.base_path,
             autoaccept = utf8_percent_encode(&query_autoaccept, QUERY_ENCODE_SET),
-            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET)
+            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET),
+            description = utf8_percent_encode(&query_description, QUERY_ENCODE_SET),
+            extra = utf8_percent_encode(&query_extra, QUERY_ENCODE_SET)
         );
 
         let body = serde_json::to_string(&param_entity_list).expect("impossible to fail to serialize");
@@ -6278,17 +6308,23 @@ impl Api for Client {
         param_entity_list: &Vec<models::WebcaptureEntity>,
         param_autoaccept: Option<bool>,
         param_editgroup_id: Option<String>,
+        param_description: Option<String>,
+        param_extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateWebcaptureBatchResponse, Error = ApiError> + Send> {
         // Query parameters
         let query_autoaccept = param_autoaccept.map_or_else(String::new, |query| format!("autoaccept={autoaccept}&", autoaccept = query.to_string()));
         let query_editgroup_id = param_editgroup_id.map_or_else(String::new, |query| format!("editgroup_id={editgroup_id}&", editgroup_id = query.to_string()));
+        let query_description = param_description.map_or_else(String::new, |query| format!("description={description}&", description = query.to_string()));
+        let query_extra = param_extra.map_or_else(String::new, |query| format!("extra={extra}&", extra = query.to_string()));
 
         let url = format!(
-            "{}/v0/webcapture/batch?{autoaccept}{editgroup_id}",
+            "{}/v0/webcapture/batch?{autoaccept}{editgroup_id}{description}{extra}",
             self.base_path,
             autoaccept = utf8_percent_encode(&query_autoaccept, QUERY_ENCODE_SET),
-            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET)
+            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET),
+            description = utf8_percent_encode(&query_description, QUERY_ENCODE_SET),
+            extra = utf8_percent_encode(&query_extra, QUERY_ENCODE_SET)
         );
 
         let body = serde_json::to_string(&param_entity_list).expect("impossible to fail to serialize");
@@ -6999,17 +7035,23 @@ impl Api for Client {
         param_entity_list: &Vec<models::WorkEntity>,
         param_autoaccept: Option<bool>,
         param_editgroup_id: Option<String>,
+        param_description: Option<String>,
+        param_extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateWorkBatchResponse, Error = ApiError> + Send> {
         // Query parameters
         let query_autoaccept = param_autoaccept.map_or_else(String::new, |query| format!("autoaccept={autoaccept}&", autoaccept = query.to_string()));
         let query_editgroup_id = param_editgroup_id.map_or_else(String::new, |query| format!("editgroup_id={editgroup_id}&", editgroup_id = query.to_string()));
+        let query_description = param_description.map_or_else(String::new, |query| format!("description={description}&", description = query.to_string()));
+        let query_extra = param_extra.map_or_else(String::new, |query| format!("extra={extra}&", extra = query.to_string()));
 
         let url = format!(
-            "{}/v0/work/batch?{autoaccept}{editgroup_id}",
+            "{}/v0/work/batch?{autoaccept}{editgroup_id}{description}{extra}",
             self.base_path,
             autoaccept = utf8_percent_encode(&query_autoaccept, QUERY_ENCODE_SET),
-            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET)
+            editgroup_id = utf8_percent_encode(&query_editgroup_id, QUERY_ENCODE_SET),
+            description = utf8_percent_encode(&query_description, QUERY_ENCODE_SET),
+            extra = utf8_percent_encode(&query_extra, QUERY_ENCODE_SET)
         );
 
         let body = serde_json::to_string(&param_entity_list).expect("impossible to fail to serialize");
diff --git a/rust/fatcat-api-spec/src/lib.rs b/rust/fatcat-api-spec/src/lib.rs
index 20e53f62..59129869 100644
--- a/rust/fatcat-api-spec/src/lib.rs
+++ b/rust/fatcat-api-spec/src/lib.rs
@@ -1345,6 +1345,8 @@ pub trait Api {
         entity_list: &Vec<models::ContainerEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateContainerBatchResponse, Error = ApiError> + Send>;
 
@@ -1380,6 +1382,8 @@ pub trait Api {
         entity_list: &Vec<models::CreatorEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateCreatorBatchResponse, Error = ApiError> + Send>;
 
@@ -1473,6 +1477,8 @@ pub trait Api {
         entity_list: &Vec<models::FileEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateFileBatchResponse, Error = ApiError> + Send>;
 
@@ -1509,6 +1515,8 @@ pub trait Api {
         entity_list: &Vec<models::FilesetEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateFilesetBatchResponse, Error = ApiError> + Send>;
 
@@ -1535,6 +1543,8 @@ pub trait Api {
         entity_list: &Vec<models::ReleaseEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateReleaseBatchResponse, Error = ApiError> + Send>;
 
@@ -1584,6 +1594,8 @@ pub trait Api {
         entity_list: &Vec<models::WebcaptureEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateWebcaptureBatchResponse, Error = ApiError> + Send>;
 
@@ -1608,6 +1620,8 @@ pub trait Api {
         entity_list: &Vec<models::WorkEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
         context: &Context,
     ) -> Box<Future<Item = CreateWorkBatchResponse, Error = ApiError> + Send>;
 
@@ -1639,6 +1653,8 @@ pub trait ApiNoContext {
         entity_list: &Vec<models::ContainerEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
     ) -> Box<Future<Item = CreateContainerBatchResponse, Error = ApiError> + Send>;
 
     fn delete_container(&self, ident: String, editgroup_id: String) -> Box<Future<Item = DeleteContainerResponse, Error = ApiError> + Send>;
@@ -1672,6 +1688,8 @@ pub trait ApiNoContext {
         entity_list: &Vec<models::CreatorEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
     ) -> Box<Future<Item = CreateCreatorBatchResponse, Error = ApiError> + Send>;
 
     fn delete_creator(&self, ident: String, editgroup_id: String) -> Box<Future<Item = DeleteCreatorResponse, Error = ApiError> + Send>;
@@ -1744,7 +1762,14 @@ pub trait ApiNoContext {
 
     fn create_file(&self, entity: models::FileEntity, editgroup_id: String) -> Box<Future<Item = CreateFileResponse, Error = ApiError> + Send>;
 
-    fn create_file_batch(&self, entity_list: &Vec<models::FileEntity>, autoaccept: Option<bool>, editgroup_id: Option<String>) -> Box<Future<Item = CreateFileBatchResponse, Error = ApiError> + Send>;
+    fn create_file_batch(
+        &self,
+        entity_list: &Vec<models::FileEntity>,
+        autoaccept: Option<bool>,
+        editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
+    ) -> Box<Future<Item = CreateFileBatchResponse, Error = ApiError> + Send>;
 
     fn delete_file(&self, ident: String, editgroup_id: String) -> Box<Future<Item = DeleteFileResponse, Error = ApiError> + Send>;
 
@@ -1778,6 +1803,8 @@ pub trait ApiNoContext {
         entity_list: &Vec<models::FilesetEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
     ) -> Box<Future<Item = CreateFilesetBatchResponse, Error = ApiError> + Send>;
 
     fn delete_fileset(&self, ident: String, editgroup_id: String) -> Box<Future<Item = DeleteFilesetResponse, Error = ApiError> + Send>;
@@ -1803,6 +1830,8 @@ pub trait ApiNoContext {
         entity_list: &Vec<models::ReleaseEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
     ) -> Box<Future<Item = CreateReleaseBatchResponse, Error = ApiError> + Send>;
 
     fn create_work(&self, entity: models::WorkEntity, editgroup_id: String) -> Box<Future<Item = CreateWorkResponse, Error = ApiError> + Send>;
@@ -1850,6 +1879,8 @@ pub trait ApiNoContext {
         entity_list: &Vec<models::WebcaptureEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
     ) -> Box<Future<Item = CreateWebcaptureBatchResponse, Error = ApiError> + Send>;
 
     fn delete_webcapture(&self, ident: String, editgroup_id: String) -> Box<Future<Item = DeleteWebcaptureResponse, Error = ApiError> + Send>;
@@ -1868,7 +1899,14 @@ pub trait ApiNoContext {
 
     fn update_webcapture(&self, ident: String, entity: models::WebcaptureEntity, editgroup_id: String) -> Box<Future<Item = UpdateWebcaptureResponse, Error = ApiError> + Send>;
 
-    fn create_work_batch(&self, entity_list: &Vec<models::WorkEntity>, autoaccept: Option<bool>, editgroup_id: Option<String>) -> Box<Future<Item = CreateWorkBatchResponse, Error = ApiError> + Send>;
+    fn create_work_batch(
+        &self,
+        entity_list: &Vec<models::WorkEntity>,
+        autoaccept: Option<bool>,
+        editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
+    ) -> Box<Future<Item = CreateWorkBatchResponse, Error = ApiError> + Send>;
 
     fn delete_work(&self, ident: String, editgroup_id: String) -> Box<Future<Item = DeleteWorkResponse, Error = ApiError> + Send>;
 
@@ -1914,8 +1952,10 @@ impl<'a, T: Api> ApiNoContext for ContextWrapper<'a, T> {
         entity_list: &Vec<models::ContainerEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
     ) -> Box<Future<Item = CreateContainerBatchResponse, Error = ApiError> + Send> {
-        self.api().create_container_batch(entity_list, autoaccept, editgroup_id, &self.context())
+        self.api().create_container_batch(entity_list, autoaccept, editgroup_id, description, extra, &self.context())
     }
 
     fn delete_container(&self, ident: String, editgroup_id: String) -> Box<Future<Item = DeleteContainerResponse, Error = ApiError> + Send> {
@@ -1969,8 +2009,10 @@ impl<'a, T: Api> ApiNoContext for ContextWrapper<'a, T> {
         entity_list: &Vec<models::CreatorEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
     ) -> Box<Future<Item = CreateCreatorBatchResponse, Error = ApiError> + Send> {
-        self.api().create_creator_batch(entity_list, autoaccept, editgroup_id, &self.context())
+        self.api().create_creator_batch(entity_list, autoaccept, editgroup_id, description, extra, &self.context())
     }
 
     fn delete_creator(&self, ident: String, editgroup_id: String) -> Box<Future<Item = DeleteCreatorResponse, Error = ApiError> + Send> {
@@ -2095,8 +2137,15 @@ impl<'a, T: Api> ApiNoContext for ContextWrapper<'a, T> {
         self.api().create_file(entity, editgroup_id, &self.context())
     }
 
-    fn create_file_batch(&self, entity_list: &Vec<models::FileEntity>, autoaccept: Option<bool>, editgroup_id: Option<String>) -> Box<Future<Item = CreateFileBatchResponse, Error = ApiError> + Send> {
-        self.api().create_file_batch(entity_list, autoaccept, editgroup_id, &self.context())
+    fn create_file_batch(
+        &self,
+        entity_list: &Vec<models::FileEntity>,
+        autoaccept: Option<bool>,
+        editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
+    ) -> Box<Future<Item = CreateFileBatchResponse, Error = ApiError> + Send> {
+        self.api().create_file_batch(entity_list, autoaccept, editgroup_id, description, extra, &self.context())
     }
 
     fn delete_file(&self, ident: String, editgroup_id: String) -> Box<Future<Item = DeleteFileResponse, Error = ApiError> + Send> {
@@ -2151,8 +2200,10 @@ impl<'a, T: Api> ApiNoContext for ContextWrapper<'a, T> {
         entity_list: &Vec<models::FilesetEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
     ) -> Box<Future<Item = CreateFilesetBatchResponse, Error = ApiError> + Send> {
-        self.api().create_fileset_batch(entity_list, autoaccept, editgroup_id, &self.context())
+        self.api().create_fileset_batch(entity_list, autoaccept, editgroup_id, description, extra, &self.context())
     }
 
     fn delete_fileset(&self, ident: String, editgroup_id: String) -> Box<Future<Item = DeleteFilesetResponse, Error = ApiError> + Send> {
@@ -2196,8 +2247,10 @@ impl<'a, T: Api> ApiNoContext for ContextWrapper<'a, T> {
         entity_list: &Vec<models::ReleaseEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
     ) -> Box<Future<Item = CreateReleaseBatchResponse, Error = ApiError> + Send> {
-        self.api().create_release_batch(entity_list, autoaccept, editgroup_id, &self.context())
+        self.api().create_release_batch(entity_list, autoaccept, editgroup_id, description, extra, &self.context())
     }
 
     fn create_work(&self, entity: models::WorkEntity, editgroup_id: String) -> Box<Future<Item = CreateWorkResponse, Error = ApiError> + Send> {
@@ -2274,8 +2327,10 @@ impl<'a, T: Api> ApiNoContext for ContextWrapper<'a, T> {
         entity_list: &Vec<models::WebcaptureEntity>,
         autoaccept: Option<bool>,
         editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
     ) -> Box<Future<Item = CreateWebcaptureBatchResponse, Error = ApiError> + Send> {
-        self.api().create_webcapture_batch(entity_list, autoaccept, editgroup_id, &self.context())
+        self.api().create_webcapture_batch(entity_list, autoaccept, editgroup_id, description, extra, &self.context())
     }
 
     fn delete_webcapture(&self, ident: String, editgroup_id: String) -> Box<Future<Item = DeleteWebcaptureResponse, Error = ApiError> + Send> {
@@ -2310,8 +2365,15 @@ impl<'a, T: Api> ApiNoContext for ContextWrapper<'a, T> {
         self.api().update_webcapture(ident, entity, editgroup_id, &self.context())
     }
 
-    fn create_work_batch(&self, entity_list: &Vec<models::WorkEntity>, autoaccept: Option<bool>, editgroup_id: Option<String>) -> Box<Future<Item = CreateWorkBatchResponse, Error = ApiError> + Send> {
-        self.api().create_work_batch(entity_list, autoaccept, editgroup_id, &self.context())
+    fn create_work_batch(
+        &self,
+        entity_list: &Vec<models::WorkEntity>,
+        autoaccept: Option<bool>,
+        editgroup_id: Option<String>,
+        description: Option<String>,
+        extra: Option<String>,
+    ) -> Box<Future<Item = CreateWorkBatchResponse, Error = ApiError> + Send> {
+        self.api().create_work_batch(entity_list, autoaccept, editgroup_id, description, extra, &self.context())
     }
 
     fn delete_work(&self, ident: String, editgroup_id: String) -> Box<Future<Item = DeleteWorkResponse, Error = ApiError> + Send> {
diff --git a/rust/fatcat-api-spec/src/server.rs b/rust/fatcat-api-spec/src/server.rs
index c3d018d1..af13948e 100644
--- a/rust/fatcat-api-spec/src/server.rs
+++ b/rust/fatcat-api-spec/src/server.rs
@@ -269,6 +269,8 @@ where
                     .map_or_else(|| Ok(None), |x| x.map(|v| Some(v)))
                     .map_err(|x| Response::with((status::BadRequest, "unparsable query parameter (expected boolean)".to_string())))?;
                 let param_editgroup_id = query_params.get("editgroup_id").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_description = query_params.get("description").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_extra = query_params.get("extra").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
 
                 // Body parameters (note that non-required body parameters will ignore garbage
                 // values, rather than causing a 400 response). Produce warning header and logs for
@@ -295,7 +297,10 @@ where
                 };
                 let param_entity_list = param_entity_list.ok_or_else(|| Response::with((status::BadRequest, "Missing required body parameter entity_list".to_string())))?;
 
-                match api.create_container_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, context).wait() {
+                match api
+                    .create_container_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, param_description, param_extra, context)
+                    .wait()
+                {
                     Ok(rsp) => match rsp {
                         CreateContainerBatchResponse::CreatedEntities(body) => {
                             let body_string = serde_json::to_string(&body).expect("impossible to fail to serialize");
@@ -1505,6 +1510,8 @@ where
                     .map_or_else(|| Ok(None), |x| x.map(|v| Some(v)))
                     .map_err(|x| Response::with((status::BadRequest, "unparsable query parameter (expected boolean)".to_string())))?;
                 let param_editgroup_id = query_params.get("editgroup_id").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_description = query_params.get("description").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_extra = query_params.get("extra").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
 
                 // Body parameters (note that non-required body parameters will ignore garbage
                 // values, rather than causing a 400 response). Produce warning header and logs for
@@ -1531,7 +1538,10 @@ where
                 };
                 let param_entity_list = param_entity_list.ok_or_else(|| Response::with((status::BadRequest, "Missing required body parameter entity_list".to_string())))?;
 
-                match api.create_creator_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, context).wait() {
+                match api
+                    .create_creator_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, param_description, param_extra, context)
+                    .wait()
+                {
                     Ok(rsp) => match rsp {
                         CreateCreatorBatchResponse::CreatedEntities(body) => {
                             let body_string = serde_json::to_string(&body).expect("impossible to fail to serialize");
@@ -4594,6 +4604,8 @@ where
                     .map_or_else(|| Ok(None), |x| x.map(|v| Some(v)))
                     .map_err(|x| Response::with((status::BadRequest, "unparsable query parameter (expected boolean)".to_string())))?;
                 let param_editgroup_id = query_params.get("editgroup_id").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_description = query_params.get("description").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_extra = query_params.get("extra").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
 
                 // Body parameters (note that non-required body parameters will ignore garbage
                 // values, rather than causing a 400 response). Produce warning header and logs for
@@ -4620,7 +4632,10 @@ where
                 };
                 let param_entity_list = param_entity_list.ok_or_else(|| Response::with((status::BadRequest, "Missing required body parameter entity_list".to_string())))?;
 
-                match api.create_file_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, context).wait() {
+                match api
+                    .create_file_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, param_description, param_extra, context)
+                    .wait()
+                {
                     Ok(rsp) => match rsp {
                         CreateFileBatchResponse::CreatedEntities(body) => {
                             let body_string = serde_json::to_string(&body).expect("impossible to fail to serialize");
@@ -5831,6 +5846,8 @@ where
                     .map_or_else(|| Ok(None), |x| x.map(|v| Some(v)))
                     .map_err(|x| Response::with((status::BadRequest, "unparsable query parameter (expected boolean)".to_string())))?;
                 let param_editgroup_id = query_params.get("editgroup_id").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_description = query_params.get("description").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_extra = query_params.get("extra").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
 
                 // Body parameters (note that non-required body parameters will ignore garbage
                 // values, rather than causing a 400 response). Produce warning header and logs for
@@ -5857,7 +5874,10 @@ where
                 };
                 let param_entity_list = param_entity_list.ok_or_else(|| Response::with((status::BadRequest, "Missing required body parameter entity_list".to_string())))?;
 
-                match api.create_fileset_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, context).wait() {
+                match api
+                    .create_fileset_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, param_description, param_extra, context)
+                    .wait()
+                {
                     Ok(rsp) => match rsp {
                         CreateFilesetBatchResponse::CreatedEntities(body) => {
                             let body_string = serde_json::to_string(&body).expect("impossible to fail to serialize");
@@ -6986,6 +7006,8 @@ where
                     .map_or_else(|| Ok(None), |x| x.map(|v| Some(v)))
                     .map_err(|x| Response::with((status::BadRequest, "unparsable query parameter (expected boolean)".to_string())))?;
                 let param_editgroup_id = query_params.get("editgroup_id").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_description = query_params.get("description").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_extra = query_params.get("extra").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
 
                 // Body parameters (note that non-required body parameters will ignore garbage
                 // values, rather than causing a 400 response). Produce warning header and logs for
@@ -7012,7 +7034,10 @@ where
                 };
                 let param_entity_list = param_entity_list.ok_or_else(|| Response::with((status::BadRequest, "Missing required body parameter entity_list".to_string())))?;
 
-                match api.create_release_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, context).wait() {
+                match api
+                    .create_release_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, param_description, param_extra, context)
+                    .wait()
+                {
                     Ok(rsp) => match rsp {
                         CreateReleaseBatchResponse::CreatedEntities(body) => {
                             let body_string = serde_json::to_string(&body).expect("impossible to fail to serialize");
@@ -8668,6 +8693,8 @@ where
                     .map_or_else(|| Ok(None), |x| x.map(|v| Some(v)))
                     .map_err(|x| Response::with((status::BadRequest, "unparsable query parameter (expected boolean)".to_string())))?;
                 let param_editgroup_id = query_params.get("editgroup_id").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_description = query_params.get("description").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_extra = query_params.get("extra").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
 
                 // Body parameters (note that non-required body parameters will ignore garbage
                 // values, rather than causing a 400 response). Produce warning header and logs for
@@ -8694,7 +8721,10 @@ where
                 };
                 let param_entity_list = param_entity_list.ok_or_else(|| Response::with((status::BadRequest, "Missing required body parameter entity_list".to_string())))?;
 
-                match api.create_webcapture_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, context).wait() {
+                match api
+                    .create_webcapture_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, param_description, param_extra, context)
+                    .wait()
+                {
                     Ok(rsp) => match rsp {
                         CreateWebcaptureBatchResponse::CreatedEntities(body) => {
                             let body_string = serde_json::to_string(&body).expect("impossible to fail to serialize");
@@ -9677,6 +9707,8 @@ where
                     .map_or_else(|| Ok(None), |x| x.map(|v| Some(v)))
                     .map_err(|x| Response::with((status::BadRequest, "unparsable query parameter (expected boolean)".to_string())))?;
                 let param_editgroup_id = query_params.get("editgroup_id").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_description = query_params.get("description").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
+                let param_extra = query_params.get("extra").and_then(|list| list.first()).and_then(|x| x.parse::<String>().ok());
 
                 // Body parameters (note that non-required body parameters will ignore garbage
                 // values, rather than causing a 400 response). Produce warning header and logs for
@@ -9703,7 +9735,10 @@ where
                 };
                 let param_entity_list = param_entity_list.ok_or_else(|| Response::with((status::BadRequest, "Missing required body parameter entity_list".to_string())))?;
 
-                match api.create_work_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, context).wait() {
+                match api
+                    .create_work_batch(param_entity_list.as_ref(), param_autoaccept, param_editgroup_id, param_description, param_extra, context)
+                    .wait()
+                {
                     Ok(rsp) => match rsp {
                         CreateWorkBatchResponse::CreatedEntities(body) => {
                             let body_string = serde_json::to_string(&body).expect("impossible to fail to serialize");
diff --git a/rust/src/editing.rs b/rust/src/editing.rs
index e181e8a7..c17e5964 100644
--- a/rust/src/editing.rs
+++ b/rust/src/editing.rs
@@ -42,6 +42,8 @@ pub fn make_edit_context(
     editor_id: FatcatId,
     editgroup_id: Option<FatcatId>,
     autoaccept: bool,
+    description: Option<String>,
+    extra: Option<serde_json::Value>,
 ) -> Result<EditContext> {
     // *either* autoaccept is false and editgroup_id is Some, *or* autoaccept is true and
     // editgroup_id is None
@@ -54,8 +56,8 @@ pub fn make_edit_context(
                 editor: None,
                 changelog_index: None,
                 submitted: None,
-                description: None,
-                extra: None,
+                description: description,
+                extra: extra,
                 annotations: None,
                 edits: None,
             };
diff --git a/rust/src/endpoint_handlers.rs b/rust/src/endpoint_handlers.rs
index 4567e810..d9bd3403 100644
--- a/rust/src/endpoint_handlers.rs
+++ b/rust/src/endpoint_handlers.rs
@@ -26,9 +26,11 @@ macro_rules! entity_batch_handler {
             autoaccept: bool,
             editor_id: FatcatId,
             editgroup_id: Option<FatcatId>,
+            description: Option<String>,
+            extra: Option<serde_json::Value>,
         ) -> Result<Vec<EntityEdit>> {
 
-            let edit_context = make_edit_context(conn, editor_id, editgroup_id, autoaccept)?;
+            let edit_context = make_edit_context(conn, editor_id, editgroup_id, autoaccept, description, extra)?;
             edit_context.check(&conn)?;
             let model_list: Vec<&models::$model> = entity_list.iter().map(|e| e).collect();
             let edits = $model::db_create_batch(conn, &edit_context, model_list.as_slice())?;
@@ -264,86 +266,94 @@ impl Server {
         expand_flags: ExpandFlags,
         hide_flags: HideFlags,
     ) -> Result<ReleaseEntity> {
-        let (ident, rev): (ReleaseIdentRow, ReleaseRevRow) =
-            match (doi, wikidata_qid, isbn13, pmid, pmcid, core_id, arxiv_id, jstor_id) {
-                (Some(doi), None, None, None, None, None, None, None) => {
-                    check_doi(doi)?;
-                    release_ident::table
-                        .inner_join(release_rev::table)
-                        .filter(release_rev::doi.eq(doi))
-                        .filter(release_ident::is_live.eq(true))
-                        .filter(release_ident::redirect_id.is_null())
-                        .first(conn)?
-                }
-                (None, Some(wikidata_qid), None, None, None, None, None, None) => {
-                    check_wikidata_qid(wikidata_qid)?;
-                    release_ident::table
-                        .inner_join(release_rev::table)
-                        .filter(release_rev::wikidata_qid.eq(wikidata_qid))
-                        .filter(release_ident::is_live.eq(true))
-                        .filter(release_ident::redirect_id.is_null())
-                        .first(conn)?
-                }
-                (None, None, Some(isbn13), None, None, None, None, None) => {
-                    // TODO: check_isbn13(isbn13)?;
-                    release_ident::table
-                        .inner_join(release_rev::table)
-                        .filter(release_rev::isbn13.eq(isbn13))
-                        .filter(release_ident::is_live.eq(true))
-                        .filter(release_ident::redirect_id.is_null())
-                        .first(conn)?
-                }
-                (None, None, None, Some(pmid), None, None, None, None) => {
-                    check_pmid(pmid)?;
-                    release_ident::table
-                        .inner_join(release_rev::table)
-                        .filter(release_rev::pmid.eq(pmid))
-                        .filter(release_ident::is_live.eq(true))
-                        .filter(release_ident::redirect_id.is_null())
-                        .first(conn)?
-                }
-                (None, None, None, None, Some(pmcid), None, None, None) => {
-                    check_pmcid(pmcid)?;
-                    release_ident::table
-                        .inner_join(release_rev::table)
-                        .filter(release_rev::pmcid.eq(pmcid))
-                        .filter(release_ident::is_live.eq(true))
-                        .filter(release_ident::redirect_id.is_null())
-                        .first(conn)?
-                }
-                (None, None, None, None, None, Some(core_id), None, None) => {
-                    // TODO: check_core_id(core_id)?;
-                    release_ident::table
-                        .inner_join(release_rev::table)
-                        .filter(release_rev::core_id.eq(core_id))
-                        .filter(release_ident::is_live.eq(true))
-                        .filter(release_ident::redirect_id.is_null())
-                        .first(conn)?
-                }
-                (None, None, None, None, None, None, Some(arxiv_id), None) => {
-                    // TODO: check_arxiv_id(arxiv_id)?;
-                    release_ident::table
-                        .inner_join(release_rev::table)
-                        .filter(release_rev::arxiv_id.eq(arxiv_id))
-                        .filter(release_ident::is_live.eq(true))
-                        .filter(release_ident::redirect_id.is_null())
-                        .first(conn)?
-                }
-                (None, None, None, None, None, None, None, Some(jstor_id)) => {
-                    // TODO: check_jstor_id(jstor_id)?;
-                    release_ident::table
-                        .inner_join(release_rev::table)
-                        .filter(release_rev::jstor_id.eq(jstor_id))
-                        .filter(release_ident::is_live.eq(true))
-                        .filter(release_ident::redirect_id.is_null())
-                        .first(conn)?
-                }
-                _ => {
-                    return Err(
-                        FatcatError::MissingOrMultipleExternalId("in lookup".to_string()).into(),
-                    );
-                }
-            };
+        let (ident, rev): (ReleaseIdentRow, ReleaseRevRow) = match (
+            doi,
+            wikidata_qid,
+            isbn13,
+            pmid,
+            pmcid,
+            core_id,
+            arxiv_id,
+            jstor_id,
+        ) {
+            (Some(doi), None, None, None, None, None, None, None) => {
+                check_doi(doi)?;
+                release_ident::table
+                    .inner_join(release_rev::table)
+                    .filter(release_rev::doi.eq(doi))
+                    .filter(release_ident::is_live.eq(true))
+                    .filter(release_ident::redirect_id.is_null())
+                    .first(conn)?
+            }
+            (None, Some(wikidata_qid), None, None, None, None, None, None) => {
+                check_wikidata_qid(wikidata_qid)?;
+                release_ident::table
+                    .inner_join(release_rev::table)
+                    .filter(release_rev::wikidata_qid.eq(wikidata_qid))
+                    .filter(release_ident::is_live.eq(true))
+                    .filter(release_ident::redirect_id.is_null())
+                    .first(conn)?
+            }
+            (None, None, Some(isbn13), None, None, None, None, None) => {
+                // TODO: check_isbn13(isbn13)?;
+                release_ident::table
+                    .inner_join(release_rev::table)
+                    .filter(release_rev::isbn13.eq(isbn13))
+                    .filter(release_ident::is_live.eq(true))
+                    .filter(release_ident::redirect_id.is_null())
+                    .first(conn)?
+            }
+            (None, None, None, Some(pmid), None, None, None, None) => {
+                check_pmid(pmid)?;
+                release_ident::table
+                    .inner_join(release_rev::table)
+                    .filter(release_rev::pmid.eq(pmid))
+                    .filter(release_ident::is_live.eq(true))
+                    .filter(release_ident::redirect_id.is_null())
+                    .first(conn)?
+            }
+            (None, None, None, None, Some(pmcid), None, None, None) => {
+                check_pmcid(pmcid)?;
+                release_ident::table
+                    .inner_join(release_rev::table)
+                    .filter(release_rev::pmcid.eq(pmcid))
+                    .filter(release_ident::is_live.eq(true))
+                    .filter(release_ident::redirect_id.is_null())
+                    .first(conn)?
+            }
+            (None, None, None, None, None, Some(core_id), None, None) => {
+                // TODO: check_core_id(core_id)?;
+                release_ident::table
+                    .inner_join(release_rev::table)
+                    .filter(release_rev::core_id.eq(core_id))
+                    .filter(release_ident::is_live.eq(true))
+                    .filter(release_ident::redirect_id.is_null())
+                    .first(conn)?
+            }
+            (None, None, None, None, None, None, Some(arxiv_id), None) => {
+                // TODO: check_arxiv_id(arxiv_id)?;
+                release_ident::table
+                    .inner_join(release_rev::table)
+                    .filter(release_rev::arxiv_id.eq(arxiv_id))
+                    .filter(release_ident::is_live.eq(true))
+                    .filter(release_ident::redirect_id.is_null())
+                    .first(conn)?
+            }
+            (None, None, None, None, None, None, None, Some(jstor_id)) => {
+                // TODO: check_jstor_id(jstor_id)?;
+                release_ident::table
+                    .inner_join(release_rev::table)
+                    .filter(release_rev::jstor_id.eq(jstor_id))
+                    .filter(release_ident::is_live.eq(true))
+                    .filter(release_ident::redirect_id.is_null())
+                    .first(conn)?
+            }
+            _ => {
+                return Err(
+                    FatcatError::MissingOrMultipleExternalId("in lookup".to_string()).into(),
+                );
+            }
+        };
 
         let mut entity = ReleaseEntity::db_from_row(conn, rev, Some(ident), hide_flags)?;
         entity.db_expand(&conn, expand_flags)?;
diff --git a/rust/src/endpoints.rs b/rust/src/endpoints.rs
index 8c45ea75..2e467957 100644
--- a/rust/src/endpoints.rs
+++ b/rust/src/endpoints.rs
@@ -120,7 +120,7 @@ macro_rules! wrap_entity_handlers {
                 let auth_context = self.auth_confectionary.require_auth(&conn, &context.auth_data, Some(stringify!($post_fn)))?;
                 auth_context.require_role(FatcatRole::Editor)?;
                 auth_context.require_editgroup(&conn, editgroup_id)?;
-                let edit_context = make_edit_context(&conn, auth_context.editor_id, Some(editgroup_id), false)?;
+                let edit_context = make_edit_context(&conn, auth_context.editor_id, Some(editgroup_id), false, None, None)?;
                 edit_context.check(&conn)?;
                 entity.db_create(&conn, &edit_context)?.into_model()
             }).map_err(|e| FatcatError::from(e)) {
@@ -138,6 +138,8 @@ macro_rules! wrap_entity_handlers {
             entity_list: &Vec<models::$model>,
             autoaccept: Option<bool>,
             editgroup_id: Option<String>,
+            description: Option<String>,
+            extra: Option<String>,
             context: &Context,
         ) -> Box<Future<Item = $post_batch_resp, Error = ApiError> + Send> {
             let conn = self.db_pool.get().expect("db_pool error");
@@ -155,7 +157,11 @@ macro_rules! wrap_entity_handlers {
                     auth_context.require_editgroup(&conn, eg_id)?;
                     Some(eg_id)
                 } else { None };
-                self.$post_batch_handler(&conn, entity_list, autoaccept, auth_context.editor_id, editgroup_id)
+                let extra: Option<serde_json::Value> = match extra {
+                    Some(v) => serde_json::from_str(&v)?,
+                    None => None,
+                };
+                self.$post_batch_handler(&conn, entity_list, autoaccept, auth_context.editor_id, editgroup_id, description, extra)
             }).map_err(|e| FatcatError::from(e)) {
                 Ok(edits) => {
                     self.metrics.count("entities.created", edits.len() as i64).ok();
@@ -184,7 +190,7 @@ macro_rules! wrap_entity_handlers {
                 auth_context.require_role(FatcatRole::Editor)?;
                 let entity_id = FatcatId::from_str(&ident)?;
                 auth_context.require_editgroup(&conn, editgroup_id)?;
-                let edit_context = make_edit_context(&conn, auth_context.editor_id, Some(editgroup_id), false)?;
+                let edit_context = make_edit_context(&conn, auth_context.editor_id, Some(editgroup_id), false, None, None)?;
                 edit_context.check(&conn)?;
                 entity.db_update(&conn, &edit_context, entity_id)?.into_model()
             }).map_err(|e| FatcatError::from(e)) {
@@ -210,7 +216,7 @@ macro_rules! wrap_entity_handlers {
                 auth_context.require_role(FatcatRole::Editor)?;
                 let entity_id = FatcatId::from_str(&ident)?;
                 auth_context.require_editgroup(&conn, editgroup_id)?;
-                let edit_context = make_edit_context(&conn, auth_context.editor_id, Some(editgroup_id), false)?;
+                let edit_context = make_edit_context(&conn, auth_context.editor_id, Some(editgroup_id), false, None, None)?;
                 edit_context.check(&conn)?;
                 $model::db_delete(&conn, &edit_context, entity_id)?.into_model()
             }).map_err(|e| FatcatError::from(e)) {
diff --git a/rust/tests/test_refs.rs b/rust/tests/test_refs.rs
index 262f1d85..ae4be4b5 100644
--- a/rust/tests/test_refs.rs
+++ b/rust/tests/test_refs.rs
@@ -17,7 +17,8 @@ fn test_refs_blob() {
     let conn = server.db_pool.get().expect("db_pool error");
     let editor_id = FatcatId::from_str(helpers::TEST_ADMIN_EDITOR_ID).unwrap();
     let editgroup_id = helpers::quick_editgroup(&conn);
-    let edit_context = make_edit_context(&conn, editor_id, Some(editgroup_id), false).unwrap();
+    let edit_context =
+        make_edit_context(&conn, editor_id, Some(editgroup_id), false, None, None).unwrap();
 
     // this release entity should be unchanged after being inserted/fetched
     let mut r1 = ReleaseEntity::new();
@@ -153,7 +154,8 @@ fn test_refs_blob() {
     // update r1 with new target_idents (r3); SHA1 row still shouldn't change
     accept_editgroup(&conn, editgroup_id).unwrap();
     let editgroup_id = helpers::quick_editgroup(&conn);
-    let edit_context = make_edit_context(&conn, editor_id, Some(editgroup_id), false).unwrap();
+    let edit_context =
+        make_edit_context(&conn, editor_id, Some(editgroup_id), false, None, None).unwrap();
 
     let _edit4 = r3b
         .db_update(&conn, &edit_context, edit1.ident_id.into())