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

# POST /call/AudioInput

`POST /call/AudioInput`

## Request body

- object
  - `aud` union, required
    - object
      - `base64` string, required
      - `media_type` string
    - object
      - `url` string, required
      - `media_type` string
  - `__baml_options__` BamlOptions
    - `client_registry` ClientRegistry, required — unresolved $ref

## Response `200`

Successful operation

- string

## Changes

- **2025-07-15** `cd3c7cd71bee` — 1 breaking, 1 info
  - removed `subschema #1: BamlImageBase64, subschema #2: BamlImageUrl` from the `aud` request property `oneOf` list
  - added `subschema #1: BamlAudioBase64, subschema #2: BamlAudioUrl` to the `aud` request property `oneOf` list
- **2025-07-01** `efa292f03505` — 1 breaking, 1 info
  - removed `subschema #1: BamlAudioBase64, subschema #2: BamlAudioUrl` from the `aud` request property `oneOf` list
  - added `subschema #1: BamlImageBase64, subschema #2: BamlImageUrl` to the `aud` request property `oneOf` list
- **2025-06-19** `a0c7a2bb989d` — 2 breaking, 2 warning
  - the request property `__baml_options__/client_registry` became required
  - the `__baml_options__/client_registry` request property type/format changed from `object`/`` to ``/``
  - removed the request property `__baml_options__/client_registry/clients`
  - removed the request property `__baml_options__/client_registry/primary`
- **2025-03-11** `e28c8736c70e` — 2 info
  - added the new optional request property `__baml_options__/client_registry/clients/items/retry_policy`
  - the request property `__baml_options__/client_registry` became optional

[Change history](https://skmtc.dev/boundaryml/apis/baml-cli-serve/changes/call/AudioInput/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/cd3c7cd71bee/schema)