# Speechmatics Realtime Transcription API

**Canonical:** https://apis.io/apis/speechmatics/realtime-transcription-api/  
**Provider:** Speechmatics — https://apis.io/providers/speechmatics/  
**Base URL:** wss://eu2.rt.speechmatics.com/v2  
**Documentation:** https://docs.speechmatics.com/speech-to-text/realtime

Speechmatics Realtime Transcription API is one of 7 APIs that [Speechmatics](https://apis.io/providers/speechmatics/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Real-Time Transcription, WebSocket, Streaming, and Speech-to-Text. The published artifact set on APIs.io includes API documentation and an API reference.

WebSocket API for low-latency real-time streaming transcription supporting live audio input, speaker diarization, and partial/final transcript events.

## Machine-readable artifacts (3)

- **Documentation** — https://docs.speechmatics.com/speech-to-text/realtime
- **APIReference** — https://docs.speechmatics.com/api-ref/realtime-transcription-websocket
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/speechmatics/refs/heads/main/apis.yml

## Other Speechmatics APIs (6)

- [Speechmatics Management API](https://apis.io/apis/speechmatics/management-api/)
- [Speechmatics Text-to-Speech API](https://apis.io/apis/speechmatics/text-to-speech-api/)
- [Speechmatics API Keys API](https://apis.io/apis/speechmatics/speechmatics-api-keys-api/)
- [Speechmatics Jobs API](https://apis.io/apis/speechmatics/speechmatics-jobs-api/)
- [Speechmatics Projects API](https://apis.io/apis/speechmatics/speechmatics-projects-api/)
- [Speechmatics Usage API](https://apis.io/apis/speechmatics/speechmatics-usage-api/)

## Tags

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

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