Gladia
Free trialLiveLast verified 24 Sept 2026
Async and real-time speech-to-text API with translation, summarization, and sentiment add-ons.
Example request
curl --request POST --url https://api.gladia.io/v2/pre-recorded --header 'x-gladia-key: $API_KEY' --header 'Content-Type: application/json' --data '{"audio_url": "https://api.gladia.io/file/636c70f6-92c1-4026-a8b6-0dfe3ecf826f"}'Free tier, in plain English
New accounts get a one-time credit grant to try transcription; after that, usage is billed by the hour.
Alternatives in Speech
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