// At a glance
Free Tier
$200 credits · no card
Category
Speech
Credit Card
Not required
Last Verified
2m ago
// Free tier details
Available Models
Nova-3Nova-2Enhanced
Monthly Requests
$200 free credits
No credit card needed
No phone verification
// Quick start
"text">-purple-400">curl https://api.deepgram.com/v1/listen \
"text-amber-400">-H "Authorization: Token YOUR_DEEPGRAM_KEY" \
"text-amber-400">-H "Content">-Type: audio/wav" \
"text-amber-400">--data-binary @audio.wav// Overview
Industry-leading ASR with sub-300ms latency. Nova-3 model is best for production. Includes real-time streaming and speaker diarization.
// Pros
- Best accuracy-to-speed ratio
- Real-time streaming
- Huge free credit ($200)
// Cons
- Free credit runs out
- Limited TTS
// Score breakdown
Reliability (35%) (from 2m ago health check)100/100
Free Tier Generosity (30%) (computed from quota, no-CC, no-phone fields)85/100
Documentation (20%) (human rating)92/100
Popularity (15%) (GitHub stars (log-normalised), or manual baseline)88/100
Methodology: apivault.dev/methodology
// Best for
Transcription appsVoice agentsCall analytics
// Recent changes
Apr 22, 2026Nova-3 general availabilityadded