Sadad Gateway

A lightweight Node.js library for integrating with the Sadad (Sadad Gateway) payment gateway, fully written in TypeScript.

⚠️ This package was developed based on the official Sadad documentation for educational and integration purposes. If you encounter any issues or bugs, please report them.

---

🔧 Features

• Supports RequestToken and VerifyTransaction operations
• Written in TypeScript
• Compatible with both JavaScript and TypeScript projects
• Easy integration with Express.js
• Clear error handling
• Dual language documentation (English & Persian)

---

📦 Installation

npm install sadad-gateway

Important: This package requires the soap library as a peer dependency. Install it manually:

npm install soap

---

🚀 Usage

import { generateSignData, requestToken, verifyPayment } from "sadad-gateway";

const terminalId = "YOUR_TERMINAL_ID";
const merchantId = "YOUR_MERCHANT_ID";
const orderId = "123456";
const amount = 10000; // Amount in Rials
const returnUrl = "https://yoursite.com/callback";
const merchantKey = "YOUR_MERCHANT_KEY_FROM_SADAD";

// Step 1: Generate SignData
const signData = generateSignData(orderId + amount + terminalId, merchantKey);

// Step 2: Request Payment Token
const tokenRes = await requestToken({
  terminalId,
  merchantId,
  amount,
  orderId,
  returnUrl,
  signData
});

if (tokenRes.ResCode === 0) {
  const redirectUrl = `https://sadad.shaparak.ir/VPG/Purchase?Token=${tokenRes.Token}`;
  console.log("Redirect user to:", redirectUrl);
} else {
  console.error("Token request failed:", tokenRes.Description);
}

// Step 3: Verify Payment (on callback route)
const verifyRes = await verifyPayment({
  token: tokenRes.Token,
  signData
});

console.log("Verify result:", verifyRes);

---

📚 Documentation

More usage examples and detailed documentation are available on the GitHub repository.

---

🛠 Support & Feedback

If you encounter any issues or have feature suggestions, feel free to:

• Open an issue on GitHub
• Or contact us directly via email:
  📧 info@ahmadmohammadi.com

We appreciate your feedback and contributions! 💙

---

⚠️ Disclaimer: This is an unofficial developer tool and is not affiliated with or endorsed by Sadad Gateway Payment Company.