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

# POST /call/SchemaDescriptions

`POST /call/SchemaDescriptions`

## Request body

- object
  - `input` string, required
  - `__baml_options__` BamlOptions
    - `client_registry` object, required
      - `clients` ClientProperty[], required
        - `name` string, required
        - `provider` string, required
        - `options` object, required
      - `primary` string

## Response `200`

Successful operation

- Schema
  - `nested_attrs` union[], required
    - union
      - string
      - Nested
        - `prop20` Nested2, required
          - `prop11` string
          - `prop12` string
        - `prop3` string
        - `prop4` string
  - `other_group` union, required
    - string
    - integer
  - `parens` string
  - `prop1` string
  - `prop2` union, required
    - Nested
      - `prop20` Nested2, required
        - `prop11` string
        - `prop12` string
      - `prop3` string
      - `prop4` string
    - string
  - `prop5` string[], required
  - `prop6` union, required
    - string
    - Nested[]
      - `prop20` Nested2, required
        - `prop11` string
        - `prop12` string
      - `prop3` string
      - `prop4` string

## Changes

> 52 revisions in range; 47 could not be searched.

- **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`
  - …29 more

[Change history](https://skmtc.dev/boundaryml/apis/baml-cli-serve/changes/call/SchemaDescriptions/post.md)

---

[API](https://skmtc.dev/boundaryml/apis/baml-cli-serve.md) · [All operations](https://skmtc.dev/boundaryml/apis/baml-cli-serve/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/boundaryml/baml-cli-serve/revisions/3f3e2166cbf3/schema)