Deepgram

API

Speech-to-text, text-to-speech and voice agent APIs

Price: Free credits, then paid
Access: API key

About

Deepgram provides speech-to-text, text-to-speech and voice agent APIs for recorded files and live audio streams. It suits apps that transcribe calls or meetings or run voice bots. It can also be self-hosted, and new accounts get $200 in free credit.

What you can do with it

Transcribe recorded audio files or live audio streams
Generate spoken audio from text with Aura voices
Run voice agents that listen, think and speak in one pipeline

Get started

Sign up in the Deepgram Console ($200 free credit)
Create an API key

Example

curl -X POST "https://api.deepgram.com/v1/listen?model=nova-3&smart_format=true" \
  -H "Authorization: Token $DEEPGRAM_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url":"https://dpgr.am/spacewalk.wav"}'

Details

Hosting: Hosted service, Self-hosted
Available in: Worldwide
Official SDKs: JavaScript/TypeScript, C#, Python, Go, Rust, Java
MCP server: Local