Deepgram
$200 free credit for speech-to-text, text-to-speech and voice agent APIs.
AI Audio
What you get
Speech-to-text (Nova-3, Flux), text-to-speech (Aura) and voice agent APIs with a $200 credit, about 26,000 minutes of Nova-3 streaming transcription.
How to get it
Click Sign up free on deepgram.com/pricing.
What it requires
No credit card required.
The catch
It's a one-time credit, not a monthly allowance; after $200 you pay per minute or per 1,000 characters. Add-ons like diarization and redaction cost extra per minute.
From the official page · checked Oct 29, 2026