---
title: "Changes to Generate Speech"
method: POST
path: "/v3/voices/speech"
---

# Changes to Generate Speech

`POST /v3/voices/speech`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `7dfa5e59b4f5`: 13 info

## Changes

- **2026-11-03** `7dfa5e59b4f5`: 13 info
  - added the new optional request property `engine`
  - added the new optional request property `force_regenerate`
  - added the new optional request property `settings`
  - added the non-success response with the status `403`
  - added the non-success response with the status `502`
  - added the non-success response with the status `504`
  - added the optional property `error/errors` to the response with the `400` status
  - added the optional property `error/errors` to the response with the `401` status
  - added the optional property `error/errors` to the response with the `429` status
  - added the optional property `error/request_id` to the response with the `400` status
  - added the optional property `error/request_id` to the response with the `401` status
  - added the optional property `error/request_id` to the response with the `429` status
  - added the required property `data/engine` to the response with the `200` status

---

[Operation](https://skmtc.dev/heygen/apis/heygen-external-api/docs/v3/voices/speech/post.md) - [API](https://skmtc.dev/heygen/apis/heygen-external-api.md) - [Page](https://skmtc.dev/heygen/apis/heygen-external-api/changes/v3/voices/speech/post)
