Rev.ai Streaming
Rev.ai's WebSocket streaming endpoint for live transcripts.
Rev.ai's WebSocket streaming endpoint for live transcripts.
Best for live captioning and real-time customer-facing transcripts. Pricing: from $0.035/min (Streaming).
What it is
Rev.ai Streaming is the WebSocket variant of Rev.ai for live transcription. Returns partial + final hypotheses. Tied into Rev's enterprise plans; HIPAA-eligible on higher tiers. Distinct from the 'rev-ai' async entry already in the directory. Best fit: live captioning and real-time customer-facing transcripts. Caveats: distinct from the rev-ai async entry already in the directory. Pricing as listed: from $0.035/min (Streaming). Feature flags from vendor docs: word-level timestamps, streaming, HIPAA-eligible under BAA. Directory tags: commercial-api, streaming. Last vendor-page check: 2026-05-12. The product slots into the broader voice-AI tooling landscape and is best evaluated head-to-head with adjacent vendors in its subcategory; verify current language coverage, region availability, and compliance terms on the vendor's public docs at time of build.
Watch out for: Distinct from the rev-ai async entry already in the directory.
Install / use
wss://api.rev.ai/speechtotext/v1/streamFeatures
| Speaker diarization | No |
| Word-level timestamps | Yes |
| Streaming / real-time | Yes |
| Languages supported | None |
| HIPAA eligible | Yes |
Rev.ai Streaming vs Whipscribe
| Feature | Rev.ai Streaming | Whipscribe |
|---|---|---|
| Category | Transcription APIs | Transcription APIs |
| Pricing | from $0.035/min (Streaming) | free beta |
| Speaker diarization | — | Yes |
| Word timestamps | Yes | Yes |
| Streaming | Yes | No |
| Languages | — | 99 |
| Platforms | API | Web, API, MCP |
Alternatives to Rev.ai Streaming
Whipscribe is a managed faster-whisper + whisperX service. If you want transcripts without running infrastructure, paste a URL or drop a file in the form below — you'll have a transcript in seconds.