WhatsApp API Server

Lite WhatsApp API server for WppConnect, built with Node.js and Express.

Features

• WhatsApp session management
• Multi-type message support (Receive various message types, send text messages only)
• Media handling
• Webhook integrations
• Rate limiting
• Authentication
• Logging
• Error handling

Prerequisites

• Node.js >= 14
• npm >= 6
• A server for webhook handling

Installation

1. Clone the repository

git clone https://github.com/hamed-elfayome/wppconnect-lite-server.git
cd wppconnect-lite-server

2. Install dependencies

npm install

3. Create and configure .env file

cp .env.example .env

In the .env file, set the following required variables:

• WEB_HOOK_URL - URL where webhook events will be sent.
• API_SECRET_KEY - API key for authenticating requests.

4. Start the server

# Development
npm run dev

# Production
npm start

API Documentation

Authentication

All API endpoints require an x-api-key header with your configured API secret key.

Endpoints

Initialize WhatsApp Session

POST /api/whatsapp/initialize

Initializes a new WhatsApp session and generates a QR code for authentication.

Response:

{
  "success": true,
  "message": "Initialization started"
}

Get Session Status

GET /api/whatsapp/session-status

Returns the current status of the WhatsApp session.

Response:

{
  "success": true,
  "status": "connected",
  "message": "Session is active and connected",
  "qrCode": null
}

Possible status values:

• no_session: No session exists
• initializing: Session is being created
• qr_ready: QR code is ready for scanning
• connected: Successfully connected
• disconnected: Session is disconnected
• error: Error occurred

Send Message

POST /api/whatsapp/send-message
Content-Type: application/json

{
  "number": "1234567890",
  "message": "Hello from WhatsApp API!"
}

Sends a message to the specified WhatsApp number.

Response:

{
  "success": true,
  "message": "Message sent successfully to 1234567890",
  "messageId": "ABCD1234"
}

Disconnect Session

POST /api/whatsapp/disconnect

Disconnects the current WhatsApp session.

Response:

{
  "success": true,
  "message": "Session disconnected successfully",
  "status": "disconnected",
  "qrCode": null
}

Webhooks

The server sends various events to your Laravel backend. You need to implement these webhook endpoints:

Status Update Webhook

POST /webhook/status

{
  "status": "connected"
}

Receives WhatsApp connection status updates.

QR Code Webhook

POST /webhook/qr

{
  "qrCode": "base64_encoded_qr_code_data"
}

Receives QR code data when initializing WhatsApp.

Incoming Message Webhook

POST /incoming-message

{
  "from": "[email protected]",
  "sender": {
    "id": "[email protected]",
    "name": "John Doe",
    "pushname": "John"
  },
  "body": "Hello!",
  "type": "chat",
  "timestamp": 1683000000,
  "isGroupMsg": false,
  "messageId": "ABCD1234",
  "quotedMsg": null,
  "mentionedJidList": []
}

Receives incoming WhatsApp messages.

Media Upload Webhook

POST /media

{
  //file_base64
}

Receives media files from WhatsApp messages.

License

This project is licensed under the MIT License.

Third-Party Licenses

• The @wppconnect-team/wppconnect package is used under the Apache License 2.0.