Voice AI API Key

Deepgram REST API

AI-powered speech recognition and voice synthesis API

Deepgram provides cutting-edge speech-to-text and text-to-speech APIs powered by deep learning models. Developers use Deepgram for real-time transcription, audio intelligence, voice synthesis, and conversational AI applications with superior accuracy and low latency. The API supports multiple languages, custom vocabulary, diarization, and advanced audio analysis features.

Base URL https://api.deepgram.com/v1

API Endpoints

Method	Endpoint	Description
POST	`/listen`	Transcribe pre-recorded audio files with advanced speech recognition
POST	`/listen/streaming`	Establish WebSocket connection for real-time audio transcription
POST	`/speak`	Generate natural-sounding speech from text using text-to-speech synthesis
GET	`/projects/{projectId}/keys`	List all API keys for a specific project
POST	`/projects/{projectId}/keys`	Create a new API key with specific scopes and permissions
DELETE	`/projects/{projectId}/keys/{keyId}`	Delete an existing API key from a project
GET	`/projects/{projectId}/requests/{requestId}`	Retrieve details and results of a specific transcription request
GET	`/projects/{projectId}/usage`	Get usage statistics and billing information for a project
GET	`/projects/{projectId}/balances`	Check remaining balance and credit information
POST	`/projects/{projectId}/onprem/distribution/credentials`	Generate credentials for on-premise deployments
GET	`/models`	List available speech recognition and synthesis models
POST	`/analyze`	Analyze audio for sentiment, topics, and other intelligence features
GET	`/projects`	List all projects associated with the authenticated account
POST	`/projects/{projectId}/invitations`	Invite team members to collaborate on a project
GET	`/projects/{projectId}/members`	List all members with access to a specific project

Code Examples

curl -X POST 'https://api.deepgram.com/v1/listen' \
  -H 'Authorization: Token YOUR_DEEPGRAM_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "url": "https://example.com/audio.mp3",
    "model": "nova-2",
    "smart_format": true,
    "diarize": true,
    "punctuate": true,
    "language": "en-US"
  }'

const response = await fetch('https://api.deepgram.com/v1/listen', {
  method: 'POST',
  headers: {
    'Authorization': 'Token YOUR_DEEPGRAM_API_KEY',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    url: 'https://example.com/audio.mp3',
    model: 'nova-2',
    smart_format: true,
    diarize: true,
    punctuate: true,
    language: 'en-US'
  })
});

const data = await response.json();
console.log(data.results.channels[0].alternatives[0].transcript);

import requests

url = 'https://api.deepgram.com/v1/listen'
headers = {
    'Authorization': 'Token YOUR_DEEPGRAM_API_KEY',
    'Content-Type': 'application/json'
}
payload = {
    'url': 'https://example.com/audio.mp3',
    'model': 'nova-2',
    'smart_format': True,
    'diarize': True,
    'punctuate': True,
    'language': 'en-US'
}

response = requests.post(url, headers=headers, json=payload)
data = response.json()
print(data['results']['channels'][0]['alternatives'][0]['transcript'])

Use Deepgram from Claude / Cursor / ChatGPT

Get a hosted MCP endpoint for Deepgram. Paste your Deepgram API key, copy back one URL, drop it into Claude Desktop, Cursor, or any AI client that supports remote MCP. Your AI calls Deepgram directly with your credentials — no local install, works on mobile.

transcribe_audio Transcribe audio files or URLs to text with speaker diarization and smart formatting

generate_speech Convert text to natural-sounding speech with customizable voice parameters

analyze_conversation Extract sentiment, topics, and key insights from audio conversations

stream_transcription Enable real-time audio transcription for live conversations or streaming media

manage_usage_stats Retrieve usage metrics, billing information, and API consumption data

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Deepgram REST API

API Endpoints

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Code Examples

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