Deepgram
Free trialLiveLast verified 24 Sept 2026
Speech-to-text and text-to-speech transcription with streaming and pre-recorded audio, plus voice agents.
Example request
curl -X POST https://api.deepgram.com/v1/listen -H 'Authorization: Token $API_KEY' -H 'Content-Type: application/json' -H 'User-Agent: WildAPIsResearch/0.1 (+https://wildapis.com)' -d '{"url": "https://dpgr.am/spacewalk.wav"}'Free tier, in plain English
New accounts get a one-time $200 usage credit and no card is required to start; after that it's pay-as-you-go only, no lasting free tier.
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