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Documentation Index

Fetch the complete documentation index at: https://docs.burki.dev/llms.txt

Use this file to discover all available pages before exploring further.

Find answers to common questions about Burki Voice AI.

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General

Burki is a cloud-based voice AI platform for building intelligent phone assistants. It handles calls, transcribes speech, generates AI responses, and speaks naturally to callers - all with ultra-low latency.
Burki is built for businesses of all sizes - from startups automating their first phone line to enterprises handling millions of calls. Developers, agencies, and anyone needing advanced voice automation will find Burki useful.
Burki offers:
  • Low-latency voice pipeline for natural conversations, with exact timings depending on your providers and configuration
  • Flexible pricing with BYO and managed options
  • Multi-provider support so you’re never locked in
  • Beautiful dashboard that makes configuration intuitive

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Pricing & Billing

Burki charges a simple platform fee:
  • Voice: $0.03 per connected minute
  • SMS: $0.001 per segment
With Burki Cloud, you also pay pass-through provider costs plus a 15% managed fee. With BYO mode, you only pay platform fees.See our Pricing page for full details.
Every new account gets:
  • 200 connected trial minutes in one unified trial bucket
  • Platform fees waived while trial minutes remain
  • Managed provider pass-through absorbed while trial minutes remain
  • Trial phone number free for 30 days when eligible
  • BYO (Bring Your Own): You provide your own API keys for AI providers. You pay them directly. Burki only charges platform fees.
  • Burki Cloud: We manage all providers for you. You pay pass-through costs plus 15% managed fee.
  • Hybrid: Mix both - use your own keys for some services, let us manage others.
Go to Billing → Wallet in your dashboard and click Add Funds. You can also set up auto top-up to automatically add funds when your balance gets low.

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Setup & Configuration

  1. Sign up at burki.dev/signup
  2. Go to your dashboard and click Create New Assistant
  3. Configure your AI providers (LLM, TTS, STT)
  4. Assign a phone number
  5. Call the number to test!
See our Quickstart guide for detailed steps.
Go to Settings → Provider Keys in your dashboard. Enter your API keys for OpenAI, Anthropic, ElevenLabs, Deepgram, or any other supported provider. Then select BYO when configuring your assistant.
Yes! If you have phone numbers with Twilio, Vonage, or Telnyx:
  1. Add your provider credentials in Settings → Provider Keys
  2. Go to Phone Numbers → Sync
  3. Your numbers will appear and can be assigned to assistants
When editing your assistant, expand the Fallback Configuration section. You can add backup LLM, TTS, or STT providers that will be used automatically if your primary provider fails.

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Usage

In your dashboard, go to Calls to see call history. Click on any call to view its transcript and download the recording.
Use the Live Transcript feature in your dashboard. You can watch transcripts appear in real-time as calls happen.
Yes! Use the API to initiate outbound calls. The assistant will call the specified number and follow your configured conversation flow.
Go to your assistant’s Knowledge Base section and upload PDFs, Word docs, or paste URLs. The assistant will use this information to answer questions.

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Troubleshooting

Check:
  1. Your wallet has sufficient balance
  2. The phone number is assigned to an assistant
  3. AI provider credentials are valid
  4. Check the call logs for error messages
Try:
  1. Use a faster LLM model (GPT-4o-mini vs GPT-4o)
  2. Use ElevenLabs or Cartesia for TTS (fastest options)
  3. Keep system prompts concise
  4. Check if provider services have any outages
Burki has built-in audio denoising. If quality is still poor:
  1. Check caller’s phone connection
  2. Ensure the call isn’t being recorded by both parties
  3. Try a different TTS voice
Your API key may be invalid or expired:
  1. Generate a new key in Settings → API Keys
  2. Ensure you’re using Bearer YOUR_KEY in the Authorization header
  3. Check that the key has the required permissions

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Need More Help?

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