Documentation
Everything you need to set up and use the Happ AI assistant platform. Connect messengers, configure AI assistants, and automate communication.
Platform Capabilities
Build AI-powered customer communication across all channels
AI Assistants
Create intelligent AI assistants powered by OpenAI, Claude, Gemini, or Groq with custom prompts and behavior.
Multi-Channel
Connect Telegram, Instagram, WhatsApp, Facebook, Messenger, Viber, and Voice in one place.
Knowledge Base
Upload documents, websites, and text to give your assistants context-aware knowledge via RAG.
Voice Calls
Set up AI voice assistants with 30+ built-in voices and ElevenLabs integration.
CRM Integrations
Sync contacts, deals, and conversations with KeyCRM, SalesDrive, NetHunt, and more.
Analytics
Track conversations, response quality, token usage, and channel performance in real time.
Powered by Leading AI Models
Choose the best model for your use case — or combine multiple models
Explore the Docs
Jump straight to the topic you need
Quick Start
Get your first AI assistant running in under 10 minutes
Assistants
Configure AI models, prompts, and behavior
Channels
Connect messengers and communication platforms
Knowledge Base
Upload documents to enhance AI responses
Voice Setup
Configure voice calls and providers
API Reference
RESTful API for programmatic access
Billing
Plans, usage limits, and payment management
FAQ
Frequently asked questions and troubleshooting
Ready to get started?