---
title: "Changes to Text to Speech"
method: POST
path: "/v1/tts"
---

# Changes to Text to Speech

`POST /v1/tts`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `42ac421f7a12`: 4 breaking, 46 info

## Changes

- **2026-11-03** `42ac421f7a12`: 4 breaking, 46 info
  - added the new required request property `text` (media type: application/json)
  - added the new required request property `text` (media type: application/msgpack)
  - the request's body type changed from no type to `object` (media type: application/json)
  - the request's body type changed from no type to `object` (media type: application/msgpack)
  - added the new optional request property `chunk_length` (media type: application/json)
  - added the new optional request property `chunk_length` (media type: application/msgpack)
  - added the new optional request property `condition_on_previous_chunks` (media type: application/json)
  - added the new optional request property `condition_on_previous_chunks` (media type: application/msgpack)
  - added the new optional request property `early_stop_threshold` (media type: application/json)
  - added the new optional request property `early_stop_threshold` (media type: application/msgpack)
  - added the new optional request property `features` (media type: application/json)
  - added the new optional request property `features` (media type: application/msgpack)
  - added the new optional request property `format` (media type: application/json)
  - added the new optional request property `format` (media type: application/msgpack)
  - added the new optional request property `language` (media type: application/json)
  - added the new optional request property `language` (media type: application/msgpack)
  - added the new optional request property `latency` (media type: application/json)
  - added the new optional request property `latency` (media type: application/msgpack)
  - added the new optional request property `max_new_tokens` (media type: application/json)
  - added the new optional request property `max_new_tokens` (media type: application/msgpack)
  - added the new optional request property `min_chunk_length` (media type: application/json)
  - added the new optional request property `min_chunk_length` (media type: application/msgpack)
  - added the new optional request property `mp3_bitrate` (media type: application/json)
  - added the new optional request property `mp3_bitrate` (media type: application/msgpack)
  - added the new optional request property `normalize` (media type: application/json)
  - added the new optional request property `normalize` (media type: application/msgpack)
  - added the new optional request property `opus_bitrate` (media type: application/json)
  - added the new optional request property `opus_bitrate` (media type: application/msgpack)
  - added the new optional request property `pronunciation_dictionary` (media type: application/json)
  - added the new optional request property `pronunciation_dictionary` (media type: application/msgpack)
  - added the new optional request property `prosody` (media type: application/json)
  - added the new optional request property `prosody` (media type: application/msgpack)
  - added the new optional request property `reference_id` (media type: application/json)
  - added the new optional request property `reference_id` (media type: application/msgpack)
  - added the new optional request property `references` (media type: application/json)
  - added the new optional request property `references` (media type: application/msgpack)
  - added the new optional request property `repetition_penalty` (media type: application/json)
  - added the new optional request property `repetition_penalty` (media type: application/msgpack)
  - added the new optional request property `sample_rate` (media type: application/json)
  - added the new optional request property `sample_rate` (media type: application/msgpack)
  - …10 more

---

[Operation](https://skmtc.dev/fish/apis/fishaudio-openapi/docs/v1/tts/post.md) - [API](https://skmtc.dev/fish/apis/fishaudio-openapi.md) - [Page](https://skmtc.dev/fish/apis/fishaudio-openapi/changes/v1/tts/post)