Security + Stability + Scalability = Real SaaSNODE_ENV=production PORT=5000

MONGO_URI=your_secure_db_url OPENAI_KEY=your_key STRIPE_KEY=your_key

JWT_SECRET=super_long_random_secret_123!@# JWT_REFRESH_SECRET=another_super_secret

RATE_LIMIT=100 Bio Link → WhatsApp Click → AI Chatbot → Smart Reply → Offer → Payment Link → Sale 💰cd Ai-pdf-super-toolkit- && cp .env.example .env && npm install

WhatsApp Integration

Contact Details

• Phone: 03408060167 (Pakistan) / +923408060167 (E.164)
• Contact Link: https://wa.me/923408060167
• Message Link: https://wa.me/message/3A7MFOQTRE2ZL1/

Setup

1. Copy the example environment file and fill in your credentials:

   cp .env.example .env

2. Set the following WhatsApp variables in .env:

   WHATSAPP_TOKEN=<Meta access token>
   PHONE_NUMBER_ID=<Meta phone number ID>
   WHATSAPP_VERIFY_TOKEN=nisar_verify
   OPENAI_API_KEY=<OpenAI key>

3. Install dependencies and start the server:

   npm install
   npm run server

Webhook Configuration

Register your webhook in the Meta for Developers dashboard:

Field	Value
Callback URL	https://your-domain.com/api/whatsapp/webhook
Verify Token	Value of WHATSAPP_VERIFY_TOKEN in your .env
Subscribed Fields	messages

API Endpoints

Method	Path	Description
GET	/api/whatsapp/contact	Returns WhatsApp contact and message links
GET	/api/whatsapp/webhook	Webhook verification (used by Meta)
POST	/api/whatsapp/webhook	Receive incoming WhatsApp messages
POST	/api/whatsapp/send	Send a WhatsApp message (queued)

GET /api/whatsapp/contact

{
  "phone": "923408060167",
  "contactLink": "https://wa.me/923408060167",
  "messageLink": "https://wa.me/message/3A7MFOQTRE2ZL1/"
}

Optional query param ?text=Hello pre-fills the message in the contact link.

POST /api/whatsapp/send

Request body:

{ "to": "923408060167", "message": "Hello from the toolkit!" }

Response:

{ "status": "queued", "queueId": "msg_1234567890_abcdef" }