Rev AI
Free trialLiveLast verified 27 Sept 2026
Async and streaming transcription with captions, translation, summaries, sentiment and topic extraction.
Example request
curl -X GET 'https://api.rev.ai/speechtotext/v1/account' -H "Authorization: Bearer $API_KEY"
Free tier, in plain English
New accounts get free credits worth about five hours of English transcription. After that it's pay-as-you-go, from $0.20 an hour.
Alternatives in Speech
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All 12 Speech APIs →