---
title: "Changes to Speech to Text"
method: POST
path: "/paas/v4/audio/transcriptions"
---

# Changes to Speech to Text

`POST /paas/v4/audio/transcriptions`

> Every recorded change to this operation, newest first.
> 10 revisions in range; 1 not diffed.

## Timeline

Changed in 1 of 10 revisions.

- **2026-05-15** `4033afc58a52`: 2 breaking, 2 warning

## Changes

- **2026-05-15** `4033afc58a52`: 2 breaking, 2 warning
  - the `request_id` request property's minLength was increased from `0` to `6`
  - the `user_id` request property's minLength was increased from `0` to `6`
  - the `request_id` request property's maxLength was set to `64`
  - the `user_id` request property's maxLength was set to `128`

---

[Operation](https://skmtc.dev/z/apis/z-ai-api/docs/paas/v4/audio/transcriptions/post.md) - [API](https://skmtc.dev/z/apis/z-ai-api.md) - [Page](https://skmtc.dev/z/apis/z-ai-api/changes/paas/v4/audio/transcriptions/post)