diff --git a/interbend/__init__.py b/interbend/__init__.py
index c4bb93c..bb81e6b 100644
--- a/interbend/__init__.py
+++ b/interbend/__init__.py
@@ -5,7 +5,11 @@ def create_app(config_class=Config):
     app = Flask(__name__)
     app.config.from_object(config_class)
 
-    from interbend.routes import main_bp
-    app.register_blueprint(main_bp)
+    from .routes.auth_routes import auth_bp
+    from .routes.transaction_routes import transactions_bp
+    from .routes.admin_routes import admin_bp
+    app.register_blueprint(auth_bp)
+    app.register_blueprint(transactions_bp)
+    app.register_blueprint(admin_bp, url_prefix='/admin')
 
     return app
\ No newline at end of file
diff --git a/interbend/routes.py b/interbend/routes.py
deleted file mode 100644
index fe7155d..0000000
--- a/interbend/routes.py
+++ /dev/null
@@ -1,131 +0,0 @@
-from flask import Blueprint, make_response
-from werkzeug.security import generate_password_hash, check_password_hash
-import hmac
-import mysql.connector
-
-# custom
-from interbend.db import db, get_user
-from interbend.auth import *
-
-main_bp = Blueprint('main_bp', __name__)
-
-@main_bp.route('/balance', methods=['GET'])
-def get_balance():
-    bid = request.args.get('bid')
-    user = get_user(bid)
-    if not user:
-        return jsonify({"error": "User not found."}), 404
-    return jsonify({"balance": user["balance"]})
-
-@main_bp.route('/register', methods=['POST'])
-def register():
-    data = request.get_json()
-    bid = data.get('bid')
-    username = data.get('username')
-    email = data.get('email')
-    password = data.get('password')
-
-    if not username or not email or not password or not bid:
-        return jsonify({"error": "Username, email, and password are required."}), 400
-    password_hash = generate_password_hash(password)
-    try:
-        with db.cursor(dictionary=True) as cur:
-            cur.execute("INSERT INTO users (bid, username, email, password_hash) VALUES (%s, %s, %s, %s)",
-                          (bid, username, email, password_hash))
-        db.commit()
-        token = token_gen(bid)
-        response = make_response(jsonify({"message": "Login successful."}), 201)
-        response.set_cookie('token', token, httponly=True, samesite='Strict', max_age=30 * 24 * 60 * 60)
-        return response
-    except mysql.connector.IntegrityError:
-        return jsonify({"error": "Username or email already exists."}), 409
-
-
-
-@main_bp.route('/login', methods=['POST'])
-def login():
-    data = request.get_json()
-    bid = data.get('bid')
-    password = data.get('password')
-
-    if not bid or not password:
-        return jsonify({"error": "BID and password are required"}), 400
-    user = get_user(bid)
-    if not user:
-        return jsonify({"error": "User not found"}), 404
-    if not check_password_hash(user['password_hash'], password):
-        return jsonify({"error": "Invalid password"}), 401
-    token = token_gen(bid)
-    response = make_response(jsonify({"message": "Login successful."}), 200)
-    response.set_cookie('token', token, httponly=True, samesite='Strict', max_age=30 * 24 * 60 * 60)
-    # secure=True - Implement once HTTPS
-    return response
-
-@main_bp.route('/transfer', methods=['POST'])
-@jwt_required
-def transfer():
-    # Ignore warning because its dynamically added via jwt required.
-    user_bid = request.bid
-    data = request.get_json()
-    fbid = data.get('from')
-    tbid = data.get('to')
-    amount = data.get('amount')
-    if not tbid or not amount:
-        return jsonify({"error": "To and amount are required"}), 400
-    if not fbid:
-        fbid = user_bid
-    if fbid != user_bid:
-        return jsonify({"error": "Unauthorized transfer from another account"}), 401
-    try:
-        amount = float(amount)
-        if amount <= 0:
-            raise ValueError
-    except ValueError:
-        return jsonify({"error": "Invalid amount","message":"Try to request Money instead"}), 400
-    sender = get_user(fbid)
-    receiver = get_user(tbid)
-    if not sender or not receiver:
-        return jsonify({"error":"User not found"}), 404
-    if sender["balance"] < amount:
-        return jsonify({"error": "Insufficient funds"}), 400
-    try:
-        db.start_transaction()
-        with db.cursor(dictionary=True) as cur:
-            cur.execute("UPDATE users SET balance = balance - %s WHERE bid = %s", (amount, fbid))
-            cur.execute("UPDATE users SET balance = balance + %s WHERE bid = %s", (amount, tbid))
-        db.commit()
-        return jsonify({"message": "Transfer successful"}), 200
-    except mysql.connector.Error as err:
-        db.rollback()
-        print(f"Transactional Error: {err}")
-        return jsonify({"error": "A database error occurred during the transfer."}), 500
-
-
-@main_bp.route('/admin/change-password', methods=['POST', 'PATCH'])
-def change_password():
-    data = request.get_json()
-    bid = data.get('bid')
-    new_password = data.get('password')
-    key = data.get('key')
-    if not bid or not new_password or not key:
-        return jsonify({"error": "BID, new password, and key are required"}), 400
-    oskey = current_app.config['ADMIN_KEY']
-    if not oskey or not hmac.compare_digest(key, oskey):
-        return jsonify({"error": "Admin Key required"}), 403
-    user = get_user(bid)
-    if not user:
-        return jsonify({"error": "User not found"}), 404
-    new_password_hash = generate_password_hash(new_password)
-    with db.cursor(dictionary=True) as cur:
-        (cur.execute("UPDATE users SET password_hash = %s WHERE bid = %s", (new_password_hash, bid)))
-    db.commit()
-    return jsonify({"message": "Password changed successfully"}), 200
-
-@main_bp.route('/collect', methods=['POST'])
-def collect_salary():
-    return jsonify({"message":"no implementation"}), 501
-
-@main_bp.route('/')
-def hello_world():  # put application's code here
-    return 'Hello World!'
-
diff --git a/interbend/routes/__init__.py b/interbend/routes/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/interbend/routes/admin_routes.py b/interbend/routes/admin_routes.py
new file mode 100644
index 0000000..0af3b69
--- /dev/null
+++ b/interbend/routes/admin_routes.py
@@ -0,0 +1,52 @@
+from flask import Blueprint
+from interbend.db import db, get_user
+from interbend.auth import *
+import hmac
+from werkzeug.security import generate_password_hash
+
+admin_bp = Blueprint('admin_bp', __name__)
+
+def _keychecker(key):
+    oskey = current_app.config['OS_KEY']
+    if not oskey or not hmac.compare_digest(key, oskey):
+        return False
+    return True
+
+
+@admin_bp.route('/salary', methods=['POST'])
+def set_salary():
+    data = request.get_json()
+    bid = data.get('bid')
+    salary_class = data.get('class')
+    key = data.get('key')
+    if not bid or not salary_class or not key:
+        return jsonify({"error": "BID, salary class, and key are required"}), 400
+    if not _keychecker(key):
+        return jsonify({"error":"Admin Key required"}), 403
+    user = get_user(bid)
+    if not user:
+        return jsonify({"error": "User not found"}), 404
+    with db.cursor(dictionary=True) as cur:
+        cur.execute("UPDATE users SET salary_class = %s WHERE bid = %s", (salary_class, bid))
+    db.commit()
+    return jsonify({"message": "Salary class updated successfully"}), 200
+
+@admin_bp.route('/change-password', methods=['POST', 'PATCH'])
+def change_password():
+    data = request.get_json()
+    bid = data.get('bid')
+    new_password = data.get('password')
+    key = data.get('key')
+    if not bid or not new_password or not key:
+        return jsonify({"error": "BID, new password, and key are required"}), 400
+    oskey = current_app.config['ADMIN_KEY']
+    if not oskey or not hmac.compare_digest(key, oskey):
+        return jsonify({"error": "Admin Key required"}), 403
+    user = get_user(bid)
+    if not user:
+        return jsonify({"error": "User not found"}), 404
+    new_password_hash = generate_password_hash(new_password)
+    with db.cursor(dictionary=True) as cur:
+        (cur.execute("UPDATE users SET password_hash = %s WHERE bid = %s", (new_password_hash, bid)))
+    db.commit()
+    return jsonify({"message": "Password changed successfully"}), 200
diff --git a/interbend/routes/auth_routes.py b/interbend/routes/auth_routes.py
new file mode 100644
index 0000000..c92f642
--- /dev/null
+++ b/interbend/routes/auth_routes.py
@@ -0,0 +1,52 @@
+from flask import Blueprint, make_response
+from interbend.db import db, get_user
+from interbend.auth import *
+import mysql.connector
+from werkzeug.security import generate_password_hash, check_password_hash
+
+auth_bp = Blueprint('auth_bp', __name__)
+
+
+@auth_bp.route('/register', methods=['POST'])
+def register():
+    data = request.get_json()
+    bid = data.get('bid')
+    username = data.get('username')
+    email = data.get('email')
+    password = data.get('password')
+
+    if not username or not email or not password or not bid:
+        return jsonify({"error": "Username, email, and password are required."}), 400
+    password_hash = generate_password_hash(password)
+    try:
+        with db.cursor(dictionary=True) as cur:
+            cur.execute("INSERT INTO users (bid, username, email, password_hash) VALUES (%s, %s, %s, %s)",
+                          (bid, username, email, password_hash))
+        db.commit()
+        token = token_gen(bid)
+        response = make_response(jsonify({"message": "Login successful."}), 201)
+        response.set_cookie('token', token, httponly=True, samesite='Strict', max_age=30 * 24 * 60 * 60)
+        return response
+    except mysql.connector.IntegrityError:
+        return jsonify({"error": "Username or email already exists."}), 409
+
+
+
+@auth_bp.route('/login', methods=['POST'])
+def login():
+    data = request.get_json()
+    bid = data.get('bid')
+    password = data.get('password')
+
+    if not bid or not password:
+        return jsonify({"error": "BID and password are required"}), 400
+    user = get_user(bid)
+    if not user:
+        return jsonify({"error": "User not found"}), 404
+    if not check_password_hash(user['password_hash'], password):
+        return jsonify({"error": "Invalid password"}), 401
+    token = token_gen(bid)
+    response = make_response(jsonify({"message": "Login successful."}), 200)
+    response.set_cookie('token', token, httponly=True, samesite='Strict', max_age=30 * 24 * 60 * 60)
+    # secure=True - Implement once HTTPS
+    return response
\ No newline at end of file
diff --git a/interbend/routes/transaction_routes.py b/interbend/routes/transaction_routes.py
new file mode 100644
index 0000000..906f8f5
--- /dev/null
+++ b/interbend/routes/transaction_routes.py
@@ -0,0 +1,57 @@
+from flask import Blueprint
+from interbend.db import db, get_user
+from interbend.auth import *
+import mysql.connector
+
+transactions_bp = Blueprint('transactions_bp', __name__)
+
+@transactions_bp.route('/balance', methods=['GET'])
+def get_balance():
+    bid = request.args.get('bid')
+    user = get_user(bid)
+    if not user:
+        return jsonify({"error": "User not found."}), 404
+    return jsonify({"balance": user["balance"]})
+
+@transactions_bp.route('/transfer', methods=['POST'])
+@jwt_required
+def transfer():
+    # Ignore warning because its dynamically added via jwt required.
+    user_bid = request.bid
+    data = request.get_json()
+    fbid = data.get('from')
+    tbid = data.get('to')
+    amount = data.get('amount')
+    if not tbid or not amount:
+        return jsonify({"error": "To and amount are required"}), 400
+    if not fbid:
+        fbid = user_bid
+    if fbid != user_bid:
+        return jsonify({"error": "Unauthorized transfer from another account"}), 401
+    try:
+        amount = float(amount)
+        if amount <= 0:
+            raise ValueError
+    except ValueError:
+        return jsonify({"error": "Invalid amount","message":"Try to request Money instead"}), 400
+    sender = get_user(fbid)
+    receiver = get_user(tbid)
+    if not sender or not receiver:
+        return jsonify({"error":"User not found"}), 404
+    if sender["balance"] < amount:
+        return jsonify({"error": "Insufficient funds"}), 400
+    try:
+        db.start_transaction()
+        with db.cursor(dictionary=True) as cur:
+            cur.execute("UPDATE users SET balance = balance - %s WHERE bid = %s", (amount, fbid))
+            cur.execute("UPDATE users SET balance = balance + %s WHERE bid = %s", (amount, tbid))
+        db.commit()
+        return jsonify({"message": "Transfer successful"}), 200
+    except mysql.connector.Error as err:
+        db.rollback()
+        print(f"Transactional Error: {err}")
+        return jsonify({"error": "A database error occurred during the transfer."}), 500
+
+@transactions_bp.route('/collect', methods=['POST'])
+def collect_salary():
+    return jsonify({"message":"no implementation"}), 501
\ No newline at end of file