---
title: "chat.tts-speak-request@1 · OpenVibe.Services"
canonical: "https://openvibe.services/docs/contracts/chat.tts-speak-request"
updated: null
---

# chat.tts-speak-request@1 · OpenVibe.Services

HTML: [chat.tts-speak-request@1 · OpenVibe.Services](https://openvibe.services/docs/contracts/chat.tts-speak-request)

# ChatTTSSpeakRequest `chat.tts-speak-request@1`

Generated at 2026-11-13 06:25:48 UTC from [`openvibe-contracts v0.419.0`](https://github.com/OpenVibers/OpenVibe.Contracts/tree/v0.419.0) and [`openvibe-sdk v0.161.0`](https://github.com/OpenVibers/OpenVibe.SDK/tree/v0.161.0).

- Version: 1.0.0
- Owner: chat
- Visibility: first-party
- Status: active
- Compatibility: backward
- Schema: [`https://openvibe.network/contracts/chat/tts-speak-request.v1.json`](/docs/contracts/chat.tts-speak-request.json)

chat.tts-speak-request@1: the body of POST /api/agent-voice/speak (Agent Streams S4). The desk asks Chat for the sound of one line the agent said. TEXT is the line (at most 220 characters). VOICE is a Chat voice id, or absent for the site default. OWN asks for the person own voice, and only the person themself may ask for it.

## Fields

| Field | Type | Required | Description | Constraints |
| --- | --- | --- | --- | --- |
| `text` | string | yes |  | - `minLength 1`<br>- `maxLength 220` |
| `voice` | string |  |  | - `maxLength 64` |
| `own` | boolean |  |  |  |

## Examples

From the contract's own test fixtures: valid ones validate, rejected ones must fail.

 Valid: a-line

~~~~
{
  "text": "The checkout tests are green."
}
~~~~

Valid: with-voice

~~~~
{
  "text": "The checkout tests are green.",
  "voice": "gary",
  "own": false
}
~~~~

Rejected: no-text

~~~~
{
  "voice": "gary"
}
~~~~

Rejected: too-long

~~~~
{
  "text": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
}
~~~~

## Validate

~~~~
const contracts = require('openvibe-contracts');
contracts.validate('chat.tts-speak-request@1', value);   // { valid, errors: [{ path, message }] }
~~~~