# Respeecher Space Real-Time TTS API

**Canonical:** https://apis.io/apis/respeecher/respeecher-space-realtime-tts-api/  
**Provider:** Respeecher — https://apis.io/providers/respeecher/  
**Base URL:** https://api.respeecher.com/v1/public/tts/en-rt  
**Documentation:** https://space.respeecher.com/docs

Respeecher Space Real-Time TTS API is one of 17 APIs that [Respeecher](https://apis.io/providers/respeecher/) publishes on the [APIs.io](https://apis.io/) network, described by an AsyncAPI event-driven specification. Tagged areas include Real-Time, Streaming, WebSocket, and Text-to-Speech. The published artifact set on APIs.io includes API documentation, an API reference, and an AsyncAPI specification.

Low-latency real-time text-to-speech that begins streaming audio in under 200ms via three transports - one-shot bytes (POST /tts/bytes, up to ~5,000 characters), HTTP SSE chunks (POST /tts/sse), and a bidirectional WebSocket channel (wss://api.respeecher.com/v1/public/tts/en-rt, GET /tts/websocket) that streams input text and output audio keyed by context_id. English (en-rt) and Ukrainian (ua-rt) models, X-API-Key auth, official Python and TypeScript SDKs, and LiveKit, Pipecat, Ultravox, and VAPI integrations.

## Machine-readable artifacts (5)

- **Documentation** — https://space.respeecher.com/docs/quickstart
- **APIReference** — https://space.respeecher.com/docs/api/tts/web-socket
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/respeecher/refs/heads/main/asyncapi/respeecher-asyncapi.yml
- **SignUp** — https://www.respeecher.com/real-time-tts-api
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/respeecher/refs/heads/main/apis.yml

## Other Respeecher APIs (12)

- [Respeecher accents API](https://apis.io/apis/respeecher/respeecher-accents-api/)
- [Respeecher auth API](https://apis.io/apis/respeecher/respeecher-auth-api/)
- [Respeecher calibration API](https://apis.io/apis/respeecher/respeecher-calibration-api/)
- [Respeecher credits API](https://apis.io/apis/respeecher/respeecher-credits-api/)
- [Respeecher folders API](https://apis.io/apis/respeecher/respeecher-folders-api/)
- [Respeecher healtz API](https://apis.io/apis/respeecher/respeecher-healtz-api/)
- [Respeecher models API](https://apis.io/apis/respeecher/respeecher-models-api/)
- [Respeecher narration-styles API](https://apis.io/apis/respeecher/respeecher-narration-styles-api/)
- [Respeecher notes API](https://apis.io/apis/respeecher/respeecher-notes-api/)
- [Respeecher orders API](https://apis.io/apis/respeecher/respeecher-orders-api/)
- [Respeecher projects API](https://apis.io/apis/respeecher/respeecher-projects-api/)
- [Respeecher recordings API](https://apis.io/apis/respeecher/respeecher-recordings-api/)

## Tags

Real-Time, Streaming, WebSocket, Text-to-Speech

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/respeecher/respeecher-space-realtime-tts-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/respeecher/.