Unisound

Unisound AI Open Platform Speech WebAPI

WebSocket speech APIs on the Unisound AI Open Platform: one-sentence speech recognition (Mandarin, Cantonese, Sichuanese, English; domain models for medical, finance, law, and more), real-time transcription, audio file transcription, oral evaluation, voiceprint, and speech synthesis. Signature-based authentication (SHA-256 over appkey + timestamp + secret); iOS, Android, and HarmonyOS SDKs.

GitHub

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/unisound-ai-open-platform-speech-webapi"
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 form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

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

API entry from apis.yml

apis.yml Raw ↑ 
name: Unisound AI Open Platform Speech WebAPI
description: 'WebSocket speech APIs on the Unisound AI Open Platform: one-sentence speech recognition
  (Mandarin, Cantonese, Sichuanese, English; domain models for medical, finance, law, and more), real-time
  transcription, audio file transcription, oral evaluation, voiceprint, and speech synthesis. Signature-based
  authentication (SHA-256 over appkey + timestamp + secret); iOS, Android, and HarmonyOS SDKs.'
humanURL: https://ai.unisound.com/doc/asronesentence/WebAPI.html
baseURL: wss://ws-osasr.hivoice.cn/v1/asr
tags:
- Speech Recognition
- Text-to-Speech
- Voice