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Configuration

This page lists all key environment variables and configuration options for Burki Voice AI.

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Environment Variables

Set these in your .env file or as environment variables in your deployment platform.

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Database

  • DATABASE_URL — PostgreSQL connection string (e.g., postgresql://user:pass@host:5432/dbname)

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Telephony

  • TWILIO_ACCOUNT_SID — Twilio account SID (optional, can be set per-assistant)
  • TWILIO_AUTH_TOKEN — Twilio auth token (optional, can be set per-assistant)
  • TELNYX_API_KEY — Telnyx API key (optional, can be set per-assistant)
  • TELNYX_CONNECTION_ID — Telnyx Connection ID for Call Control Application (optional, can be set per-assistant)

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Speech-to-Text

  • DEEPGRAM_API_KEY — Deepgram API key

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Language Models

  • OPENAI_API_KEY — OpenAI API key
  • ELEVENLABS_API_KEY — ElevenLabs API key
  • INWORLD_BEARER_TOKEN — Inworld API token (optional)
  • RESEMBLE_API_KEY — Resemble API key (optional)

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Storage

  • S3_ACCESS_KEY_ID — S3 access key (if using S3)
  • S3_SECRET_ACCESS_KEY — S3 secret key
  • S3_BUCKET_NAME — S3 bucket name
  • S3_REGION — S3 region

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Security & Auth

  • SECRET_KEY — Secret for session and JWT signing
  • GOOGLE_CLIENT_ID — Google OAuth client ID
  • GOOGLE_CLIENT_SECRET — Google OAuth client secret

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Other

  • AUDIO_DENOISING_METHOD — (optional) rnnoise, fallback, or auto
  • AUDIO_DENOISING_DEFAULT — (optional) true or false

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Example .env File

DATABASE_URL=postgresql://user:pass@localhost:5432/burki

# Telephony (choose one or both)
TWILIO_ACCOUNT_SID=ACxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
TWILIO_AUTH_TOKEN=your_twilio_token
TELNYX_API_KEY=KEYxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
TELNYX_CONNECTION_ID=1234567890

# AI Services
DEEPGRAM_API_KEY=your_deepgram_key
OPENAI_API_KEY=your_openai_key
ELEVENLABS_API_KEY=your_elevenlabs_key

# Security
SECRET_KEY=supersecretkey

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Configuration Tips

  • Never commit your .env file or secrets to version control.
  • Use different secrets for development and production.
  • For cloud deployment, set environment variables in your platform’s dashboard.