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

# Changes to Text to Speech transformation

`POST /v1/speak`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 8 of 17 revisions.

- **2026-09-17** `72b02abc4a37`: 1 warning, 1 info
- **2026-09-12** `a18297c3e375`: 1 info
- **2026-09-03** `896c94f54215`: 1 breaking
- **2026-08-22** `452cc1ca14c3`: 2 warning
- **2026-08-15** `76f89c68dacf`: 2 info
- **2026-08-12** `c761ed1f371e`: 2 info
- **2026-08-06** `bd7ba5c18a6b`: 2 info
- **2026-07-26** `2008986d71c7`: 40 info

## Changes

- **2026-09-17** `72b02abc4a37`: 1 warning, 1 info
  - deleted the `header` request parameter `Authorization`
  - the endpoint scheme security `ApiKeyAuth` was added to the API
- **2026-09-12** `a18297c3e375`: 1 info
  - api operation id `generate` removed and replaced with `audio_generate`
- **2026-09-03** `896c94f54215`: 1 breaking
  - removed the enum value `aura-2-perseo-it` from the `query` request parameter `model`
- **2026-08-22** `452cc1ca14c3`: 2 warning
  - for the `query` request parameter `speed`, the max was set to `1.50`
  - for the `query` request parameter `speed`, the min was set to `0.70`
- **2026-08-15** `76f89c68dacf`: 2 info
  - api tag `audio` added
  - api tag `speak > v1 > audio` removed
- **2026-08-12** `c761ed1f371e`: 2 info
  - api tag `speak > v1 > audio` added
  - api tag `audio` removed
- **2026-08-06** `bd7ba5c18a6b`: 2 info
  - api tag `audio` added
  - api tag `speak > v1 > audio` removed
- **2026-07-26** `2008986d71c7`: 40 info
  - added the new enum value `aura-2-agathe-fr` to the `query` request parameter `model`
  - added the new enum value `aura-2-agustina-es` to the `query` request parameter `model`
  - added the new enum value `aura-2-ama-ja` to the `query` request parameter `model`
  - added the new enum value `aura-2-antonia-es` to the `query` request parameter `model`
  - added the new enum value `aura-2-aurelia-de` to the `query` request parameter `model`
  - added the new enum value `aura-2-beatrix-nl` to the `query` request parameter `model`
  - added the new enum value `aura-2-cesare-it` to the `query` request parameter `model`
  - added the new enum value `aura-2-cinzia-it` to the `query` request parameter `model`
  - added the new enum value `aura-2-cornelia-nl` to the `query` request parameter `model`
  - added the new enum value `aura-2-daphne-nl` to the `query` request parameter `model`
  - added the new enum value `aura-2-demetra-it` to the `query` request parameter `model`
  - added the new enum value `aura-2-dionisio-it` to the `query` request parameter `model`
  - added the new enum value `aura-2-ebisu-ja` to the `query` request parameter `model`
  - added the new enum value `aura-2-elara-de` to the `query` request parameter `model`
  - added the new enum value `aura-2-elio-it` to the `query` request parameter `model`
  - added the new enum value `aura-2-fabian-de` to the `query` request parameter `model`
  - added the new enum value `aura-2-flavio-it` to the `query` request parameter `model`
  - added the new enum value `aura-2-fujin-ja` to the `query` request parameter `model`
  - added the new enum value `aura-2-gloria-es` to the `query` request parameter `model`
  - added the new enum value `aura-2-hector-fr` to the `query` request parameter `model`
  - added the new enum value `aura-2-hestia-nl` to the `query` request parameter `model`
  - added the new enum value `aura-2-izanami-ja` to the `query` request parameter `model`
  - added the new enum value `aura-2-julius-de` to the `query` request parameter `model`
  - added the new enum value `aura-2-kara-de` to the `query` request parameter `model`
  - added the new enum value `aura-2-lara-de` to the `query` request parameter `model`
  - added the new enum value `aura-2-lars-nl` to the `query` request parameter `model`
  - added the new enum value `aura-2-leda-nl` to the `query` request parameter `model`
  - added the new enum value `aura-2-livia-it` to the `query` request parameter `model`
  - added the new enum value `aura-2-luciano-es` to the `query` request parameter `model`
  - added the new enum value `aura-2-maia-it` to the `query` request parameter `model`
  - added the new enum value `aura-2-melia-it` to the `query` request parameter `model`
  - added the new enum value `aura-2-olivia-es` to the `query` request parameter `model`
  - added the new enum value `aura-2-perseo-it` to the `query` request parameter `model`
  - added the new enum value `aura-2-rhea-nl` to the `query` request parameter `model`
  - added the new enum value `aura-2-roman-nl` to the `query` request parameter `model`
  - added the new enum value `aura-2-sander-nl` to the `query` request parameter `model`
  - added the new enum value `aura-2-silvia-es` to the `query` request parameter `model`
  - added the new enum value `aura-2-uzume-ja` to the `query` request parameter `model`
  - added the new enum value `aura-2-valerio-es` to the `query` request parameter `model`
  - added the new enum value `aura-2-viktoria-de` to the `query` request parameter `model`

---

[Operation](https://skmtc.dev/deepgram/apis/rest-api/docs/v1/speak/post.md) - [API](https://skmtc.dev/deepgram/apis/rest-api.md) - [Page](https://skmtc.dev/deepgram/apis/rest-api/changes/v1/speak/post)