diff --git a/backend/config.js b/backend/config.js
new file mode 100644
index 00000000..27a58da0
--- /dev/null
+++ b/backend/config.js
@@ -0,0 +1,3 @@
+module.exports = {
+	JWT_SECRET: "your-jwt-secret"
+}
\ No newline at end of file
diff --git a/backend/db.js b/backend/db.js
new file mode 100644
index 00000000..eade1541
--- /dev/null
+++ b/backend/db.js
@@ -0,0 +1,54 @@
+// backend/db.js
+const mongoose = require('mongoose');
+
+mongoose.connect("mongodb://localhost:27017/paytmClone")
+
+// Create a Schema for Users
+const userSchema = new mongoose.Schema({
+    username: {
+        type: String,
+        required: true,
+        unique: true,
+        trim: true,
+        lowercase: true,
+        minLength: 3,
+        maxLength: 30
+    },
+    password: {
+        type: String,
+        required: true,
+        minLength: 6
+    },
+    firstName: {
+        type: String,
+        required: true,
+        trim: true,
+        maxLength: 50
+    },
+    lastName: {
+        type: String,
+        required: true,
+        trim: true,
+        maxLength: 50
+    }
+});
+
+const accountSchema = new mongoose.Schema({
+    userId: {
+        type: mongoose.Schema.Types.ObjectId, // Reference to User model
+        ref: 'User',
+        required: true
+    },
+    balance: {
+        type: Number,
+        required: true
+    }
+});
+
+const Account = mongoose.model('Account', accountSchema);
+const User = mongoose.model('User', userSchema);
+
+module.exports = {
+	User,
+    Account
+};
\ No newline at end of file
diff --git a/backend/index.js b/backend/index.js
index 825926c4..c9ec032f 100644
--- a/backend/index.js
+++ b/backend/index.js
@@ -1,3 +1,16 @@
-const express = require("express");
+// backend/index.js
+const express = require('express');
+const cors = require("cors");
+const rootRouter = require("./routes/index");
 
+const app = express();
 
+app.use(cors());
+app.use(express.json());
+
+app.use("/api/v1", rootRouter);
+
+app.listen(3000,()=>{
+    console.log("Server is running!!");
+    
+});
\ No newline at end of file
diff --git a/backend/middleware.js b/backend/middleware.js
new file mode 100644
index 00000000..89e4e6a7
--- /dev/null
+++ b/backend/middleware.js
@@ -0,0 +1,26 @@
+const { JWT_SECRET } = require("./config");
+const jwt = require("jsonwebtoken");
+
+const authMiddleware = (req, res, next) => {
+    const authHeader = req.headers.authorization;
+
+    if (!authHeader || !authHeader.startsWith('Bearer ')) {
+        return res.status(403).json({});
+    }
+
+    const token = authHeader.split(' ')[1];
+
+    try {
+        const decoded = jwt.verify(token, JWT_SECRET);
+
+        req.userId = decoded.userId;
+
+        next();
+    } catch (err) {
+        return res.status(403).json({});
+    }
+};
+
+module.exports = {
+    authMiddleware
+}
\ No newline at end of file
diff --git a/backend/package-lock.json b/backend/package-lock.json
index 3ebc1111..b134816b 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -1,15 +1,17 @@
 {
   "name": "backend",
   "version": "1.0.0",
-  "lockfileVersion": 3,
+  "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
-      "name": "backend",
       "version": "1.0.0",
       "license": "ISC",
       "dependencies": {
+        "body-parser": "^1.20.1",
+        "cors": "^2.8.5",
         "express": "^4.18.2",
+        "jsonwebtoken": "^9.0.2",
         "mongoose": "^8.1.0",
         "zod": "^3.22.4"
       }
@@ -83,6 +85,11 @@
         "node": ">=16.20.1"
       }
     },
+    "node_modules/buffer-equal-constant-time": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
+      "integrity": "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA=="
+    },
     "node_modules/bytes": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
@@ -136,6 +143,18 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
     },
+    "node_modules/cors": {
+      "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+      "dependencies": {
+        "object-assign": "^4",
+        "vary": "^1"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      }
+    },
     "node_modules/debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -174,6 +193,14 @@
         "npm": "1.2.8000 || >= 1.4.16"
       }
     },
+    "node_modules/ecdsa-sig-formatter": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmjs.org/ecdsa-sig-formatter/-/ecdsa-sig-formatter-1.0.11.tgz",
+      "integrity": "sha512-nagl3RYrbNv6kQkeJIpt6NJZy8twLB/2vtz6yN9Z4vRKHN4/QZJIEbqohALSgwKdnksuY3k5Addp5lg8sVoVcQ==",
+      "dependencies": {
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "node_modules/ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -390,6 +417,51 @@
         "node": ">= 0.10"
       }
     },
+    "node_modules/jsonwebtoken": {
+      "version": "9.0.2",
+      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-9.0.2.tgz",
+      "integrity": "sha512-PRp66vJ865SSqOlgqS8hujT5U4AOgMfhrwYIuIhfKaoSCZcirrmASQr8CX7cUg+RMih+hgznrjp99o+W4pJLHQ==",
+      "dependencies": {
+        "jws": "^3.2.2",
+        "lodash.includes": "^4.3.0",
+        "lodash.isboolean": "^3.0.3",
+        "lodash.isinteger": "^4.0.4",
+        "lodash.isnumber": "^3.0.3",
+        "lodash.isplainobject": "^4.0.6",
+        "lodash.isstring": "^4.0.1",
+        "lodash.once": "^4.0.0",
+        "ms": "^2.1.1",
+        "semver": "^7.5.4"
+      },
+      "engines": {
+        "node": ">=12",
+        "npm": ">=6"
+      }
+    },
+    "node_modules/jsonwebtoken/node_modules/ms": {
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+      "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+    },
+    "node_modules/jwa": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
+      "integrity": "sha512-qiLX/xhEEFKUAJ6FiBMbes3w9ATzyk5W7Hvzpa/SLYdxNtng+gcurvrI7TbACjIXlsJyr05/S1oUhZrc63evQA==",
+      "dependencies": {
+        "buffer-equal-constant-time": "1.0.1",
+        "ecdsa-sig-formatter": "1.0.11",
+        "safe-buffer": "^5.0.1"
+      }
+    },
+    "node_modules/jws": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/jws/-/jws-3.2.2.tgz",
+      "integrity": "sha512-YHlZCB6lMTllWDtSPHz/ZXTsi8S00usEV6v1tjq8tOUZzw7DpSDWVXjXDre6ed1w/pd495ODpHZYSdkRTsa0HA==",
+      "dependencies": {
+        "jwa": "^1.4.1",
+        "safe-buffer": "^5.0.1"
+      }
+    },
     "node_modules/kareem": {
       "version": "2.5.1",
       "resolved": "https://registry.npmjs.org/kareem/-/kareem-2.5.1.tgz",
@@ -398,6 +470,41 @@
         "node": ">=12.0.0"
       }
     },
+    "node_modules/lodash.includes": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/lodash.includes/-/lodash.includes-4.3.0.tgz",
+      "integrity": "sha512-W3Bx6mdkRTGtlJISOvVD/lbqjTlPPUDTMnlXZFnVwi9NKJ6tiAk6LVdlhZMm17VZisqhKcgzpO5Wz91PCt5b0w=="
+    },
+    "node_modules/lodash.isboolean": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isboolean/-/lodash.isboolean-3.0.3.tgz",
+      "integrity": "sha512-Bz5mupy2SVbPHURB98VAcw+aHh4vRV5IPNhILUCsOzRmsTmSQ17jIuqopAentWoehktxGd9e/hbIXq980/1QJg=="
+    },
+    "node_modules/lodash.isinteger": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/lodash.isinteger/-/lodash.isinteger-4.0.4.tgz",
+      "integrity": "sha512-DBwtEWN2caHQ9/imiNeEA5ys1JoRtRfY3d7V9wkqtbycnAmTvRRmbHKDV4a0EYc678/dia0jrte4tjYwVBaZUA=="
+    },
+    "node_modules/lodash.isnumber": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/lodash.isnumber/-/lodash.isnumber-3.0.3.tgz",
+      "integrity": "sha512-QYqzpfwO3/CWf3XP+Z+tkQsfaLL/EnUlXWVkIk5FUPc4sBdTehEqZONuyRt2P67PXAk+NXmTBcc97zw9t1FQrw=="
+    },
+    "node_modules/lodash.isplainobject": {
+      "version": "4.0.6",
+      "resolved": "https://registry.npmjs.org/lodash.isplainobject/-/lodash.isplainobject-4.0.6.tgz",
+      "integrity": "sha512-oSXzaWypCMHkPC3NvBEaPHf0KsA5mvPrOPgQWDsbg8n7orZ290M0BmC/jgRZ4vcJ6DTAhjrsSYgdsW/F+MFOBA=="
+    },
+    "node_modules/lodash.isstring": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/lodash.isstring/-/lodash.isstring-4.0.1.tgz",
+      "integrity": "sha512-0wJxfxH1wgO3GrbuP+dTTk7op+6L41QCXbGINEmD+ny/G/eCqGzxyCsh7159S+mgDDcoarnBw6PC1PS5+wUGgw=="
+    },
+    "node_modules/lodash.once": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
+      "integrity": "sha512-Sb487aTOCr9drQVL8pIxOzVhafOjZN9UU54hiN8PU3uAiSV7lx1yYNpbNmex2PK6dSJoNTSJUUswT651yww3Mg=="
+    },
     "node_modules/media-typer": {
       "version": "0.3.0",
       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -587,6 +694,14 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/object-assign": {
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
+      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/object-inspect": {
       "version": "1.13.1",
       "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.1.tgz",
@@ -699,6 +814,17 @@
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
+    "node_modules/semver": {
+      "version": "7.6.3",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.6.3.tgz",
+      "integrity": "sha512-oVekP1cKtI+CTDvHWYFUcMtsK/00wmAEfyqKfNdARm8u1wNVhSgaX7A8d4UuIlUI5e84iEwOhs7ZPYRmzU9U6A==",
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/send": {
       "version": "0.18.0",
       "resolved": "https://registry.npmjs.org/send/-/send-0.18.0.tgz",
@@ -878,5 +1004,735 @@
         "url": "https://github.com/sponsors/colinhacks"
       }
     }
+  },
+  "dependencies": {
+    "@mongodb-js/saslprep": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/@mongodb-js/saslprep/-/saslprep-1.1.4.tgz",
+      "integrity": "sha512-8zJ8N1x51xo9hwPh6AWnKdLGEC5N3lDa6kms1YHmFBoRhTpJR6HG8wWk0td1MVCu9cD4YBrvjZEtd5Obw0Fbnw==",
+      "requires": {
+        "sparse-bitfield": "^3.0.3"
+      }
+    },
+    "@types/webidl-conversions": {
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/@types/webidl-conversions/-/webidl-conversions-7.0.3.tgz",
+      "integrity": "sha512-CiJJvcRtIgzadHCYXw7dqEnMNRjhGZlYK05Mj9OyktqV8uVT8fD2BFOB7S1uwBE3Kj2Z+4UyPmFw/Ixgw/LAlA=="
+    },
+    "@types/whatwg-url": {
+      "version": "11.0.4",
+      "resolved": "https://registry.npmjs.org/@types/whatwg-url/-/whatwg-url-11.0.4.tgz",
+      "integrity": "sha512-lXCmTWSHJvf0TRSO58nm978b8HJ/EdsSsEKLd3ODHFjo+3VGAyyTp4v50nWvwtzBxSMQrVOK7tcuN0zGPLICMw==",
+      "requires": {
+        "@types/webidl-conversions": "*"
+      }
+    },
+    "accepts": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
+      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+      "requires": {
+        "mime-types": "~2.1.34",
+        "negotiator": "0.6.3"
+      }
+    },
+    "array-flatten": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+      "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
+    },
+    "body-parser": {
+      "version": "1.20.1",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.1.tgz",
+      "integrity": "sha512-jWi7abTbYwajOytWCQc37VulmWiRae5RyTpaCyDcS5/lMdtwSz5lOpDE67srw/HYe35f1z3fDQw+3txg7gNtWw==",
+      "requires": {
+        "bytes": "3.1.2",
+        "content-type": "~1.0.4",
+        "debug": "2.6.9",
+        "depd": "2.0.0",
+        "destroy": "1.2.0",
+        "http-errors": "2.0.0",
+        "iconv-lite": "0.4.24",
+        "on-finished": "2.4.1",
+        "qs": "6.11.0",
+        "raw-body": "2.5.1",
+        "type-is": "~1.6.18",
+        "unpipe": "1.0.0"
+      }
+    },
+    "bson": {
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-6.2.0.tgz",
+      "integrity": "sha512-ID1cI+7bazPDyL9wYy9GaQ8gEEohWvcUl/Yf0dIdutJxnmInEEyCsb4awy/OiBfall7zBA179Pahi3vCdFze3Q=="
+    },
+    "buffer-equal-constant-time": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/buffer-equal-constant-time/-/buffer-equal-constant-time-1.0.1.tgz",
+      "integrity": "sha512-zRpUiDwd/xk6ADqPMATG8vc9VPrkck7T07OIx0gnjmJAnHnTVXNQG3vfvWNuiZIkwu9KrKdA1iJKfsfTVxE6NA=="
+    },
+    "bytes": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
+      "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg=="
+    },
+    "call-bind": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.5.tgz",
+      "integrity": "sha512-C3nQxfFZxFRVoJoGKKI8y3MOEo129NQ+FgQ08iye+Mk4zNZZGdjfs06bVTr+DBSlA66Q2VEcMki/cUCP4SercQ==",
+      "requires": {
+        "function-bind": "^1.1.2",
+        "get-intrinsic": "^1.2.1",
+        "set-function-length": "^1.1.1"
+      }
+    },
+    "content-disposition": {
+      "version": "0.5.4",
+      "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
+      "integrity": "sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ==",
+      "requires": {
+        "safe-buffer": "5.2.1"
+      }
+    },
+    "content-type": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.5.tgz",
+      "integrity": "sha512-nTjqfcBFEipKdXCv4YDQWCfmcLZKm81ldF0pAopTvyrFGVbcR6P/VAAd5G7N+0tTr8QqiU0tFadD6FK4NtJwOA=="
+    },
+    "cookie": {
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.5.0.tgz",
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+    },
+    "cookie-signature": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
+      "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
+    },
+    "cors": {
+      "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
+      "requires": {
+        "object-assign": "^4",
+        "vary": "^1"
+      }
+    },
+    "debug": {
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
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+      "requires": {
+        "ms": "2.0.0"
+      }
+    },
+    "define-data-property": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/define-data-property/-/define-data-property-1.1.1.tgz",
+      "integrity": "sha512-E7uGkTzkk1d0ByLeSc6ZsFS79Axg+m1P/VsgYsxHgiuc3tFSj+MjMIwe90FC4lOAZzNBdY7kkO2P2wKdsQ1vgQ==",
+      "requires": {
+        "get-intrinsic": "^1.2.1",
+        "gopd": "^1.0.1",
+        "has-property-descriptors": "^1.0.0"
+      }
+    },
+    "depd": {
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+        "range-parser": "~1.2.1",
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+      }
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+        "call-bind": "^1.0.0",
+        "get-intrinsic": "^1.0.2",
+        "object-inspect": "^1.9.0"
+      }
+    },
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+    },
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+    },
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+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-13.0.0.tgz",
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+      "requires": {
+        "tr46": "^4.1.1",
+        "webidl-conversions": "^7.0.0"
+      }
+    },
+    "zod": {
+      "version": "3.22.4",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-3.22.4.tgz",
+      "integrity": "sha512-iC+8Io04lddc+mVqQ9AZ7OQ2MrUKGN+oIQyq1vemgt46jwCwLfhq7/pwnBnNXXXZb8VTVLKwp9EDkx+ryxIWmg=="
+    }
   }
 }
diff --git a/backend/package.json b/backend/package.json
index 73233240..6f62b81d 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -10,7 +10,10 @@
   "author": "",
   "license": "ISC",
   "dependencies": {
+    "body-parser": "^1.20.1",
+    "cors": "^2.8.5",
     "express": "^4.18.2",
+    "jsonwebtoken": "^9.0.2",
     "mongoose": "^8.1.0",
     "zod": "^3.22.4"
   }
diff --git a/backend/routes/acount.js b/backend/routes/acount.js
new file mode 100644
index 00000000..47028712
--- /dev/null
+++ b/backend/routes/acount.js
@@ -0,0 +1,55 @@
+// backend/routes/account.js
+const express = require('express');
+const { authMiddleware } = require('../middleware');
+const { Account } = require('../db');
+const { default: mongoose } = require('mongoose');
+
+const router = express.Router();
+
+router.get("/balance", authMiddleware, async (req, res) => {
+    const account = await Account.findOne({
+        userId: req.userId
+    });
+
+    res.json({
+        balance: account.balance
+    })
+});
+
+router.post("/transfer", authMiddleware, async (req, res) => {
+    const session = await mongoose.startSession();
+
+    session.startTransaction();
+    const { amount, to } = req.body;
+
+    // Fetch the accounts within the transaction
+    const account = await Account.findOne({ userId: req.userId }).session(session);
+
+    if (!account || account.balance < amount) {
+        await session.abortTransaction();
+        return res.status(400).json({
+            message: "Insufficient balance"
+        });
+    }
+
+    const toAccount = await Account.findOne({ userId: to }).session(session);
+
+    if (!toAccount) {
+        await session.abortTransaction();
+        return res.status(400).json({
+            message: "Invalid account"
+        });
+    }
+
+    // Perform the transfer
+    await Account.updateOne({ userId: req.userId }, { $inc: { balance: -amount } }).session(session);
+    await Account.updateOne({ userId: to }, { $inc: { balance: amount } }).session(session);
+
+    // Commit the transaction
+    await session.commitTransaction();
+    res.json({
+        message: "Transfer successful"
+    });
+});
+
+module.exports = router;
\ No newline at end of file
diff --git a/backend/routes/index.js b/backend/routes/index.js
new file mode 100644
index 00000000..ff7f168b
--- /dev/null
+++ b/backend/routes/index.js
@@ -0,0 +1,11 @@
+// backend/user/index.js
+const express = require('express');
+const userRouter = require("./user");
+const accountRouter = require("./acount")
+
+const router = express.Router();
+
+router.use("/user", userRouter);
+router.use("/account", accountRouter);
+
+module.exports = router;
\ No newline at end of file
diff --git a/backend/routes/user.js b/backend/routes/user.js
new file mode 100644
index 00000000..3f702178
--- /dev/null
+++ b/backend/routes/user.js
@@ -0,0 +1,143 @@
+// backend/routes/user.js
+const express = require('express');
+
+const router = express.Router();
+const zod = require("zod");
+const { User, Account } = require("../db");
+const jwt = require("jsonwebtoken");
+const { JWT_SECRET } = require("../config");
+const  { authMiddleware } = require("../middleware");
+
+const signupBody = zod.object({
+    username: zod.string().email(),
+	firstName: zod.string(),
+	lastName: zod.string(),
+	password: zod.string()
+})
+
+router.post("/signup", async (req, res) => {
+    const { success } = signupBody.safeParse(req.body)
+    if (!success) {
+        return res.status(411).json({
+            message: "Email already taken / Incorrect inputs"
+        })
+    }
+
+    const existingUser = await User.findOne({
+        username: req.body.username
+    })
+
+    if (existingUser) {
+        return res.status(411).json({
+            message: "Email already taken/Incorrect inputs"
+        })
+    }
+
+    const user = await User.create({
+        username: req.body.username,
+        password: req.body.password,
+        firstName: req.body.firstName,
+        lastName: req.body.lastName,
+    })
+    const userId = user._id;
+
+    await Account.create({
+        userId,
+        balance: 1 + Math.random() * 10000
+    })
+
+    const token = jwt.sign({
+        userId
+    }, JWT_SECRET);
+
+    res.json({
+        message: "User created successfully",
+        token: token
+    })
+})
+
+
+const signinBody = zod.object({
+    username: zod.string().email(),
+	password: zod.string()
+})
+
+router.post("/signin", async (req, res) => {
+    const { success } = signinBody.safeParse(req.body)
+    if (!success) {
+        return res.status(411).json({
+            message: "Email already taken / Incorrect inputs"
+        })
+    }
+
+    const user = await User.findOne({
+        username: req.body.username,
+        password: req.body.password
+    });
+
+    if (user) {
+        const token = jwt.sign({
+            userId: user._id
+        }, JWT_SECRET);
+  
+        res.json({
+            token: token
+        })
+        return;
+    }
+
+    
+    res.status(411).json({
+        message: "Error while logging in"
+    })
+})
+
+const updateBody = zod.object({
+	password: zod.string().optional(),
+    firstName: zod.string().optional(),
+    lastName: zod.string().optional(),
+})
+
+router.put("/", authMiddleware, async (req, res) => {
+    const { success } = updateBody.safeParse(req.body)
+    if (!success) {
+        res.status(411).json({
+            message: "Error while updating information"
+        })
+    }
+
+    await User.updateOne(req.body, {
+        id: req.userId
+    })
+
+    res.json({
+        message: "Updated successfully"
+    })
+})
+
+router.get("/bulk", async (req, res) => {
+    const filter = req.query.filter || "";
+
+    const users = await User.find({
+        $or: [{
+            firstName: {
+                "$regex": filter
+            }
+        }, {
+            lastName: {
+                "$regex": filter
+            }
+        }]
+    })
+
+    res.json({
+        user: users.map(user => ({
+            username: user.username,
+            firstName: user.firstName,
+            lastName: user.lastName,
+            _id: user._id
+        }))
+    })
+})
+
+module.exports = router;
\ No newline at end of file