v2.0

Sendiee API Documentation

Integrate WhatsApp, Instagram, and Messenger into your applications with the Sendiee API. Send template messages, manage contacts, schedule deliveries, and route conversations to your support team — 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.

Base URL

All API requests are made to the following base URL:

HTTPShttps://api.sendiee.com

Quick Start — Send a Message in 60 Seconds

1

Get your API key

Navigate to your Sendiee Dashboard → Settings → API Keys → Generate a new key.

2

Find your Brand Number

Your brandNumber is the WhatsApp Business phone number connected to your Sendiee account. Find it in Dashboard → WhatsApp → Connected Numbers.

3

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"
  }'
4

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.

Next Steps

Authentication

Learn how to authenticate your API requests

Send Template Message

Send approved WhatsApp template messages

Manage Contacts

Create, list, and filter your contacts

Error Codes

Understand API error responses

Team Inbox (Teambox)

Assign, route, and resolve conversations from code

MCP Server

Let an AI agent drive Sendiee for you