Sendiee API Documentation
Integrate WhatsApp messaging into your applications with the Sendiee API. Send template messages, manage contacts, and schedule deliveries — all through a simple REST API.
Quick Integration
Send your first message in under 60 seconds with our simple REST API.
Official Meta Partner
Powered by Meta's Cloud API with enterprise-grade reliability.
Global Reach
Reach customers worldwide on WhatsApp with template and freeform messages.
Want an AI agent to drive Sendiee for you?
https://mcp.sendiee.com and your AI can configure assistants, build templates, schedule campaigns, and pull reports in plain English. See MCP Server for the full setup.Base URL
All API requests are made to the following base URL:
Quick Start — Send a Message in 60 Seconds
Get your API key
Navigate to your Sendiee Dashboard → Settings → API Keys → Generate a new key.
Find your Brand Number
Your brandNumber is the WhatsApp Business phone number connected to your Sendiee account. Find it in Dashboard → WhatsApp → Connected Numbers.
Send your first template message
curl -X POST https://api.sendiee.com/v2.0/whatsapp/send \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"to": "919876543210",
"brandNumber": "917012345678",
"templateName": "hello_world",
"language": "en"
}'Check the response
A successful response will include a messageId that you can use to track the delivery status.
API Versioning
The current API version is v2.0. All endpoints are prefixed with /v2.0/. We follow semantic versioning — breaking changes will only be introduced in major versions with advance notice.
Official Meta Business Partner