Documentation

Everything you need to build AI voice applications with SIP4AI. From quick-start guides to complete API reference.

Quick Start

Get up and running in under a minute. Install SIP4AI, configure your credentials, and start handling calls.

  1. 1
    Install — Run the install script
  2. 2
    Configure — Set your SIP and AI credentials
  3. 3
    License — Paid plans: add the key we email you. Free needs none
  4. 4
    Run — Start the server
Terminal 
# Install SIP4AI
curl -sSL https://sip4ai.com/install.sh | bash

# Set credentials
export SIP_USERNAME=your_user
export SIP_PASSWORD=your_pass
export OPENAI_API_KEY=sk-...

# Personal/Business plans: add your license key
export SIP4AI_LICENSE_KEY=SIP4AI-...

# Run
sip4ai

API Reference

Complete API documentation including HTTP endpoints, webhooks, tool definitions, and configuration options.

  • CLI usage and configuration
  • Call management endpoints
  • Webhook event reference
  • Function/tool definitions
View API Reference

Examples

Real-world implementation examples with complete system prompts, tool definitions, and webhook handlers.

  • AI Receptionist
  • Appointment Booking
  • Customer Surveys
  • Order Updates
Browse Examples

More Resources

SIP Integrations

Connect 46+ SIP providers to AI voice agents.

Automation Platforms

Integrate with n8n, Make, Zapier, and 25+ platforms.

Licensing

Activate your key, check your plan, and how renewals and call limits work.