Initial commit

backend/package.json

@@ -0,0 +1,25 @@
+{
+  "name": "payment-backend",
+  "version": "1.0.0",
+  "description": "Express backend for payment processing",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js",
+    "dev": "nodemon server.js"
+  },
+  "dependencies": {
+    "@paypal/checkout-server-sdk": "^1.0.3",
+    "axios": "^1.6.2",
+    "cors": "^2.8.5",
+    "dotenv": "^16.6.1",
+    "express": "^4.18.2",
+    "express-rate-limit": "^7.1.5",
+    "express-validator": "^7.0.1",
+    "helmet": "^7.1.0",
+    "jsonwebtoken": "^9.0.2",
+    "morgan": "^1.10.0"
+  },
+  "devDependencies": {
+    "nodemon": "^3.0.2"
+  }
+}