Moore Threads AIBook Text-to-Speech API

HTTP and WebSocket speech synthesis. A non-streaming POST /api/v1/tts/generate returns a complete wav/mp3 for up to 300 characters; a WebSocket /api/v2/tts/stream_generate streams base64 PCM chunks with word- and phoneme-level timestamps, and additionally accepts streaming TEXT input so an LLM's token stream can be voiced as it is produced. 27 named voices are published, split between large-model and lite voices. Authenticated with an Authorization header; tokens are issued by contacting Moore Threads.

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/moore-threads-aibook-text-to-speech-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑
name: Moore Threads AIBook Text-to-Speech API
description: HTTP and WebSocket speech synthesis. A non-streaming POST /api/v1/tts/generate returns a
  complete wav/mp3 for up to 300 characters; a WebSocket /api/v2/tts/stream_generate streams base64 PCM
  chunks with word- and phoneme-level timestamps, and additionally accepts streaming TEXT input so an
  LLM's token stream can be voiced as it is produced. 27 named voices are published, split between large-model
  and lite voices. Authenticated with an Authorization header; tokens are issued by contacting Moore Threads.
humanURL: https://docs.mthreads.com/tts/unary-tts/introduction
baseURL: https://aibook-api.mthreads.com:32414
tags:
- Text-to-Speech
- Voice
- Streaming
tags_raw:
- Text To Speech
- Voice
- Streaming
properties:
- type: Documentation
  url: https://docs.mthreads.com/tts/unary-tts/introduction
- type: APIReference
  url: https://docs.mthreads.com/tts/stream-tts/introduction