Deepgram API
Artificial Intelligence
Industry-leading voice AI API for real-time speech-to-text and TTS with $200 free credit
Deepgram API Highlights
Deepgram API is best for voice AI engineers, call centers, and media apps requiring fast real-time speech recognition and lifelike TTS
Token (Authorization: Token ...)
High-concurrency streaming and pre-recorded batch processing
Nigeria
Ghana
KenyaDeepgram is the developer-preferred voice AI platform offering industry-leading automatic speech recognition (STT) and text-to-speech (TTS) APIs. Built on custom deep learning architectures (Nova-2 speech-to-text and Aura text-to-speech), Deepgram achieves the lowest word error rates and fastest response times in the industry.
With support for live real-time WebSocket streaming, Deepgram allows Nigerian developers to build conversational voice bots, call center intelligence pipelines, and automated podcast transcriptions with sub-300ms latency. The platform includes speaker diarization, punctuation, profanity filtering, sentiment analysis, and summarization directly in the transcription response.
Deepgram API Core Features & Capabilities
| Feature | Status | Description & Capabilities |
|---|---|---|
| Natural Language Processing (NLP) | ✓ Supported | Provides native Natural Language Processing (NLP) capabilities integrated within the API. |
| Speech / Audio Processing | ✓ Supported | Provides native Speech / Audio Processing capabilities integrated within the API. |
| Machine Translation & Language Detection | ✓ Supported | Provides native Machine Translation & Language Detection capabilities integrated within the API. |
| Sentiment & Emotion Analysis | ✓ Supported | Provides native Sentiment & Emotion Analysis capabilities integrated within the API. |
| Named Entity Recognition (NER) | ✓ Supported | Provides native Named Entity Recognition (NER) capabilities integrated within the API. |
| Nigerian Language Support (Yoruba / Igbo / Hausa) | ✓ Supported | Provides native Nigerian Language Support (Yoruba / Igbo / Hausa) capabilities integrated within the API. |
| Image Recognition & Computer Vision | ✗ Not Supported | Image Recognition & Computer Vision is currently not supported by Deepgram API. |
| Generative AI / Text Generation (LLM) | ✗ Not Supported | Generative AI / Text Generation (LLM) is currently not supported by Deepgram API. |
- $200 free credit upon signup with no credit card required
- Pay-as-you-go speech-to-text starting at $0.0043/minute (Nova-2 model); text-to-speech at $0.015 per 1,000 characters
Required Access Documents for Deepgram API
- Deepgram Console AccountRequiredSign up at console.deepgram.com to generate API keys
Different Deepgram API use cases
- Real-Time Voice AI Phone Agents:Build automated voice agents for banking, logistics, and customer support with WebSocket streaming.
- Meeting & Interview Transcription:Transcribe multi-speaker meetings with automated diarization and key takeaways.
- Accessibility & Video Subtitles:Generate precise, synchronized VTT/SRT subtitles for educational and media videos.