---
title: "Changes to POST /call/SchemaDescriptions"
method: POST
path: "/call/SchemaDescriptions"
---

# Changes to POST /call/SchemaDescriptions

`POST /call/SchemaDescriptions`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 52 revisions.

- **2025-09-08** `99302493e325`: 1 breaking, 3 warning, 1 info
- **2025-07-18** `a03327cea083`: 4 breaking
- **2025-06-19** `a0c7a2bb989d`: 18 breaking, 2 warning, 16 info
- **2025-03-11** `e28c8736c70e`: 31 breaking, 2 info

## Changes

- **2025-09-08** `99302493e325`: 1 breaking, 3 warning, 1 info
  - added the new required request property `__baml_options__/client_registry/clients`
  - removed the request property `__baml_options__/client_registry/name`
  - removed the request property `__baml_options__/client_registry/options`
  - removed the request property `__baml_options__/client_registry/provider`
  - added the new optional request property `__baml_options__/client_registry/primary`
- **2025-07-18** `a03327cea083`: 4 breaking
  - added the new required request property `__baml_options__/client_registry/name`
  - added the new required request property `__baml_options__/client_registry/options`
  - added the new required request property `__baml_options__/client_registry/provider`
  - the `__baml_options__/client_registry` request property type changed from no type to `object`
- **2025-06-19** `a0c7a2bb989d`: 18 breaking, 2 warning, 16 info
  - the request property `__baml_options__/client_registry` became required
  - the `__baml_options__/client_registry` request property type changed from `object` to no type
  - the response property `nested_attrs/items/` became nullable for the status `200`
  - the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop20/prop11` response's property type changed from no type to `string` for status `200`
  - the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop20/prop12` response's property type changed from no type to `string` for status `200`
  - the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop3` response's property type changed from no type to `string` for status `200`
  - the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop4` response's property type changed from no type to `string` for status `200`
  - the `parens` response's property type changed from no type to `string` for status `200`
  - the `prop1` response's property type changed from no type to `string` for status `200`
  - the `prop2/oneOf[#/components/schemas/Nested]/prop20/prop11` response's property type changed from no type to `string` for status `200`
  - the `prop2/oneOf[#/components/schemas/Nested]/prop20/prop12` response's property type changed from no type to `string` for status `200`
  - the `prop2/oneOf[#/components/schemas/Nested]/prop3` response's property type changed from no type to `string` for status `200`
  - the `prop2/oneOf[#/components/schemas/Nested]/prop4` response's property type changed from no type to `string` for status `200`
  - the `prop5/items/` response's property type changed from no type to `string` for status `200`
  - the `prop6/oneOf[subschema #2]/items/prop20/prop11` response's property type changed from no type to `string` for status `200`
  - the `prop6/oneOf[subschema #2]/items/prop20/prop12` response's property type changed from no type to `string` for status `200`
  - the `prop6/oneOf[subschema #2]/items/prop3` response's property type changed from no type to `string` for status `200`
  - the `prop6/oneOf[subschema #2]/items/prop4` response's property type changed from no type to `string` for status `200`
  - removed the request property `__baml_options__/client_registry/clients`
  - removed the request property `__baml_options__/client_registry/primary`
  - response property `other_group/oneOf[subschema #2]/` list-of-types was narrowed by removing types `string` from media type `application/json` of response `200`
  - removed `subschema #1` from the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop20/prop11` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop20/prop12` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop3` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop4` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `parens` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `prop1` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `prop2/oneOf[#/components/schemas/Nested]/prop20/prop11` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `prop2/oneOf[#/components/schemas/Nested]/prop20/prop12` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `prop2/oneOf[#/components/schemas/Nested]/prop3` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `prop2/oneOf[#/components/schemas/Nested]/prop4` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `prop5/items/` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `prop6/oneOf[subschema #2]/items/prop20/prop11` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `prop6/oneOf[subschema #2]/items/prop20/prop12` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `prop6/oneOf[subschema #2]/items/prop3` response property `oneOf` list for the response status `200`
  - removed `subschema #1` from the `prop6/oneOf[subschema #2]/items/prop4` response property `oneOf` list for the response status `200`
- **2025-03-11** `e28c8736c70e`: 31 breaking, 2 info
  - response property `other_group/oneOf[subschema #2]/` list-of-types was widened by adding types `string` to media type `application/json` of response `200`
  - added `subschema #1` to the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop20/prop11` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop20/prop12` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop3` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop4` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `parens` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `prop1` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `prop2/oneOf[#/components/schemas/Nested]/prop20/prop11` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `prop2/oneOf[#/components/schemas/Nested]/prop20/prop12` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `prop2/oneOf[#/components/schemas/Nested]/prop3` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `prop2/oneOf[#/components/schemas/Nested]/prop4` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `prop5/items/` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `prop6/oneOf[subschema #2]/items/prop20/prop11` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `prop6/oneOf[subschema #2]/items/prop20/prop12` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `prop6/oneOf[subschema #2]/items/prop3` response property `oneOf` list for the response status `200`
  - added `subschema #1` to the `prop6/oneOf[subschema #2]/items/prop4` response property `oneOf` list for the response status `200`
  - the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop20/prop11` response's property type changed from `string` to no type for status `200`
  - the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop20/prop12` response's property type changed from `string` to no type for status `200`
  - the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop3` response's property type changed from `string` to no type for status `200`
  - the `nested_attrs/items/oneOf[#/components/schemas/Nested]/prop4` response's property type changed from `string` to no type for status `200`
  - the `parens` response's property type changed from `string` to no type for status `200`
  - the `prop1` response's property type changed from `string` to no type for status `200`
  - the `prop2/oneOf[#/components/schemas/Nested]/prop20/prop11` response's property type changed from `string` to no type for status `200`
  - the `prop2/oneOf[#/components/schemas/Nested]/prop20/prop12` response's property type changed from `string` to no type for status `200`
  - the `prop2/oneOf[#/components/schemas/Nested]/prop3` response's property type changed from `string` to no type for status `200`
  - the `prop2/oneOf[#/components/schemas/Nested]/prop4` response's property type changed from `string` to no type for status `200`
  - the `prop5/items/` response's property type changed from `string` to no type for status `200`
  - the `prop6/oneOf[subschema #2]/items/prop20/prop11` response's property type changed from `string` to no type for status `200`
  - the `prop6/oneOf[subschema #2]/items/prop20/prop12` response's property type changed from `string` to no type for status `200`
  - the `prop6/oneOf[subschema #2]/items/prop3` response's property type changed from `string` to no type for status `200`
  - the `prop6/oneOf[subschema #2]/items/prop4` response's property type changed from `string` to no type for status `200`
  - added the new optional request property `__baml_options__/client_registry/clients/items/retry_policy`
  - the request property `__baml_options__/client_registry` became optional

---

[Operation](https://skmtc.dev/boundaryml/apis/baml-cli-serve/docs/call/SchemaDescriptions/post.md) - [API](https://skmtc.dev/boundaryml/apis/baml-cli-serve.md) - [Page](https://skmtc.dev/boundaryml/apis/baml-cli-serve/changes/call/SchemaDescriptions/post)