Built for developers,
designed for scale
Everything you need to integrate WhatsApp messaging into your application.
Messaging
Text Messages
Send and receive text messages with full Unicode support.
Media Messages
Images, videos, audio, and documents up to 100MB.
Group Messaging
Create and manage groups, send group messages.
Channel API
Create and broadcast to WhatsApp channels.
Platform
Smart Warming
14-day automated warming ramps new numbers for optimal deliverability.
Adaptive Pacing
Intelligent rate limiting adjusts per-session for best results.
Real-time Webhooks
Instant delivery notifications with HMAC-signed payloads.
MCP Server
Connect AI agents directly to WhatsApp.
Developer Experience
API Key Auth
Simple Bearer token authentication for all API endpoints.
Bulk Validation
Check if phone numbers are on WhatsApp before messaging.
Webhook Signing
HMAC-SHA256 signed webhook payloads for security.
WebSocket Events
Real-time session and message status updates.