---
title: "Changes to Generate speech audio from text using the OpenAI SDK-compatible endpoint. Supports all AllModels TTS providers. Returns binary audio in the requested format (mp3, opus, aac, flac, wav, pcm)."
method: POST
path: "/allmodels/oai/audio/speech"
---

# Changes to Generate speech audio from text using the OpenAI SDK-compatible endpoint. Supports all AllModels TTS providers. Returns binary audio in the requested format (mp3, opus, aac, flac, wav, pcm).

`POST /allmodels/oai/audio/speech`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 26 revisions.

- **2026-11-08** `857e915717f4`: 1 breaking
- **2026-09-22** `f80c0aab1f7c`: 1 info

## Changes

- **2026-11-08** `857e915717f4`: 1 breaking
  - added required request body
- **2026-09-22** `f80c0aab1f7c`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/docs/allmodels/oai/audio/speech/post.md) - [API](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace.md) - [Page](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/changes/allmodels/oai/audio/speech/post)