diff --git a/.env.tmp b/.env.tmp
new file mode 100644
index 0000000..d121f85
--- /dev/null
+++ b/.env.tmp
@@ -0,0 +1,2 @@
+KEY=  # Key for JWT token
+POSTGRES_URL=postgresql://
diff --git a/api/auth.py b/api/auth.py
new file mode 100644
index 0000000..b62c6e5
--- /dev/null
+++ b/api/auth.py
@@ -0,0 +1,35 @@
+from flask import Blueprint, request, jsonify
+from model.user import User
+from db.repositories.user_repository import UserRepository  # FIXME: authenticate_user as get_user
+from utils.token import generateKey as getToken
+
+auth = Blueprint("auth", __name__)
+
+
+@auth.route('/login', methods = ['POST'])
+def login():
+    if request.is_json:
+        req = request.json
+
+        email = req.get('email')
+        password = req.get('password')
+
+        if not email or not password:
+            return "Request must have email and password", 400
+
+        if len(email.strip()) < 4 or '@' not in email or '.' not in email:
+            return "Email is incorrect", 400
+
+        if len(password.strip()) < 8:
+            return "Password is too short", 400
+
+        user = UserRepository().authenticate_user(email, password)
+        if not user:
+            return "Wrong credentials", 400
+
+        token = getToken(user)
+
+        return jsonify({'token': token, 'user': {'id': user.id, 'name': user.name, 'role': user.role}})
+
+    else:
+        return "Request is not a json", 400
diff --git a/api/loginapi.py b/api/loginapi.py
deleted file mode 100644
index 299d109..0000000
--- a/api/loginapi.py
+++ /dev/null
@@ -1,13 +0,0 @@
-from flask import Blueprint, request
-
-from model import user
-
-loginBP =  Blueprint("loginapi", __name__)
-
-@loginBP.route('/api/login', methods = ['POST'])
-def login():
-    email = request.form['email']
-    password = request.form['password']
-    #if(isvalid(email, password)):
-    us = user.initialize(email, password)
-    return us.toJSON()
diff --git a/app.py b/app.py
index 90e60b3..0ccbfa1 100644
--- a/app.py
+++ b/app.py
@@ -1,6 +1,11 @@
+from sys import exit
 from flask import Flask
-from api.loginapi import loginBP
+from api.auth import auth
+from utils.loadDotEnv import initializeENV
+
+if not initializeENV():
+    exit(-1)
 
 app = Flask(__name__)
 
-app.register_blueprint(loginBP)
+app.register_blueprint(auth, url_prefix='/api/auth')
diff --git a/db/repositories/ai_prediction_repository.py b/db/repositories/ai_prediction_repository.py
index 11fde40..176fd9c 100644
--- a/db/repositories/ai_prediction_repository.py
+++ b/db/repositories/ai_prediction_repository.py
@@ -1,11 +1,9 @@
 from typing import List, Optional
 from datetime import datetime, date
-import logging
+from loguru import logger
 from db.connection import get_connection
 from model.ai_prediction import AIPrediction
 
-logger = logging.getLogger(__name__)
-
 class AIPredictionsRepository:
     def get_all(self) -> List[AIPrediction]:
         try:
@@ -77,12 +75,14 @@ class AIPredictionsRepository:
             logger.error(f"Ошибка получения последних прогнозов по товарам: {e}")
             return []
 
-    def create_prediction(self,
-                          product_id: str,
-                          prediction_date: date,
-                          days_until_stockout: int,
-                          recommended_order: int,
-                          confidence_score: float) -> Optional[int]:
+    def create_prediction(
+        self,
+        product_id: str,
+        prediction_date: date,
+        days_until_stockout: int,
+        recommended_order: int,
+        confidence_score: float
+    ) -> Optional[int]:
         try:
             with get_connection() as conn:
                 with conn.cursor() as cur:
diff --git a/db/repositories/inventory_repository.py b/db/repositories/inventory_repository.py
index b514acb..c6873a1 100644
--- a/db/repositories/inventory_repository.py
+++ b/db/repositories/inventory_repository.py
@@ -1,12 +1,10 @@
 # db/repositories/inventory_repository.py
 from typing import List, Optional, Tuple
 from datetime import datetime
-import logging
+from loguru import logger
 from db.connection import get_connection
 from model.inventory import InventoryRecord
 
-logger = logging.getLogger(__name__)
-
 class InventoryRepository:
     def get_all(self) -> List[InventoryRecord]:
         try:
@@ -48,15 +46,17 @@ class InventoryRepository:
             logger.error(f"Ошибка получения записи инвентаризации {record_id}: {e}")
             return None
 
-    def create_record(self,
-                      robot_id: str,
-                      product_id: str,
-                      quantity: int,
-                      zone: str,
-                      row_number: int,
-                      shelf_number: int,
-                      status: str,
-                      scanned_at: datetime) -> Optional[int]:
+    def create_record(
+        self,
+        robot_id: str,
+        product_id: str,
+        quantity: int,
+        zone: str,
+        row_number: int,
+        shelf_number: int,
+        status: str,
+        scanned_at: datetime
+    ) -> Optional[int]:
         try:
             with get_connection() as conn:
                 with conn.cursor() as cur:
diff --git a/db/repositories/product_repository.py b/db/repositories/product_repository.py
index 6de73b8..7fc3cbb 100644
--- a/db/repositories/product_repository.py
+++ b/db/repositories/product_repository.py
@@ -1,10 +1,8 @@
 from typing import List, Optional
-import logging
+from loguru import logger
 from db.connection import get_connection
 from model.product import Product
 
-logger = logging.getLogger(__name__)
-
 class ProductRepository:
     def get_all(self) -> List[Product]:
         try:
diff --git a/db/repositories/robot_repository.py b/db/repositories/robot_repository.py
index 3092502..3ae1aff 100644
--- a/db/repositories/robot_repository.py
+++ b/db/repositories/robot_repository.py
@@ -1,10 +1,8 @@
 from typing import List, Optional
-import logging
+from loguru import logger
 from db.connection import get_connection
 from model.robot import Robot
 
-logger = logging.getLogger(__name__)
-
 class RobotRepository:
     def get_all(self) -> List[Robot]:
         try:
@@ -43,13 +41,15 @@ class RobotRepository:
             logger.error(f"Ошибка получения робота {robot_id}: {e}")
             return None
 
-    def update_robot(self,
-                     robot_id: str,
-                     status: str = None,
-                     battery_level: int = None,
-                     current_zone: str = None,
-                     current_row: int = None,
-                     current_shelf: int = None) -> bool:
+    def update_robot(
+        self,
+        robot_id: str,
+        status: str = None,
+        battery_level: int = None,
+        current_zone: str = None,
+        current_row: int = None,
+        current_shelf: int = None
+    ) -> bool:
         try:
             with get_connection() as conn:
                 with conn.cursor() as cur:
@@ -131,10 +131,12 @@ class RobotRepository:
             logger.error(f"Ошибка получения роботов в зоне {zone}: {e}")
             return []
 
-    def create_robot(self,
-                     robot_id: str,
-                     status: str = 'active',
-                     battery_level: int = 100) -> bool:
+    def create_robot(
+        self,
+        robot_id: str,
+        status: str = 'active',
+        battery_level: int = 100
+    ) -> bool:
         try:
             with get_connection() as conn:
                 with conn.cursor() as cur:
diff --git a/db/repositories/user_repository.py b/db/repositories/user_repository.py
index e6307fb..a5c88f2 100644
--- a/db/repositories/user_repository.py
+++ b/db/repositories/user_repository.py
@@ -1,10 +1,8 @@
 from typing import List, Optional
-import logging
+from loguru import logger
 from model.user import User
 from db.connection import get_connection
 
-logger = logging.getLogger(__name__)
-
 class UserRepository:
     def get_all(self) -> List[User]:
         try:
@@ -57,11 +55,13 @@ class UserRepository:
             logger.error(f"Ошибка получения пользователя по email {email}: {e}")
             return None
 
-    def create_user(self,
-                    email: str,
-                    password_hash: str,
-                    name: str,
-                    role: str) -> Optional[User]:
+    def create_user(
+        self,
+        email: str,
+        password_hash: str,
+        name: str,
+        role: str
+    ) -> Optional[User]:
         try:
             with get_connection() as conn:
                 with conn.cursor() as cur:
@@ -166,6 +166,9 @@ class UserRepository:
             return False
 
     def authenticate_user(self, email: str, password_hash: str) -> Optional[User]:
+        if not self.user_exists(email):
+            return
+
         try:
             with get_connection() as conn:
                 with conn.cursor() as cur:
@@ -183,24 +186,6 @@ class UserRepository:
             logger.error(f"Ошибка аутентификации пользователя {email}: {e}")
             return None
 
-    def is_valid_authenticate(self, email: str, password_hash: str) -> bool:
-        try:
-            with get_connection() as conn:
-                with conn.cursor() as cur:
-                    cur.execute("""
-                        SELECT 1 FROM users 
-                        WHERE email = %s AND password_hash = %s
-                    """, (email, password_hash))
-                    is_valid = cur.fetchone() is not None
-                    if is_valid:
-                        logger.debug(f"Валидные учетные данные для пользователя {email}")
-                    else:
-                        logger.warning(f"Невалидные учетные данные для пользователя {email}")
-                    return is_valid
-        except Exception as e:
-            logger.error(f"Ошибка проверки учетных данных пользователя {email}: {e}")
-            return False
-
     def user_exists(self, email: str) -> bool:
         try:
             with get_connection() as conn:
diff --git a/dependencies.txt b/dependencies.txt
index 5758f3e..69c3592 100644
--- a/dependencies.txt
+++ b/dependencies.txt
@@ -1,4 +1,5 @@
 flask==3.1.2
 python-dotenv
-psycopg-binary
+psycopg2-binary
 pyjwt
+loguru
diff --git a/utils/loadDotEnv.py b/utils/loadDotEnv.py
index 1edf728..0d6c510 100644
--- a/utils/loadDotEnv.py
+++ b/utils/loadDotEnv.py
@@ -1,12 +1,14 @@
 import os
 from dotenv import load_dotenv
+from loguru import logger as log
 
-def initializeENV():
-    dotenv_path = '../.env'
-    if os.path.exists(dotenv_path):
-        load_dotenv(dotenv_path)
-        print('.env is loaded')
-        return 1
+DOTENV_PATH = '.env'
+
+def initializeENV() -> bool:
+    if os.path.exists(DOTENV_PATH):
+        load_dotenv(DOTENV_PATH)
+        log.info('.env is loaded')
+        return True
     else:
-        print('.env isn`t loaded')
-        return 0
+        log.error('.env isn`t loaded')
+        return False
diff --git a/utils/token.py b/utils/token.py
index 5a3468d..d14e602 100644
--- a/utils/token.py
+++ b/utils/token.py
@@ -1,7 +1,18 @@
 import jwt
 import os
+from time import time
+from model.user import User
 
-def generateKey(email, passwd):
+def generateKey(user: User) -> dict:
     key = os.getenv('KEY')
-    encoded = jwt.encode({f"{email}": f"{passwd}"}, key, algorithm="HS256")
+    encoded = jwt.encode(
+        {
+            'id': user.id,
+            'name': user.name,
+            'role': user.role,
+            'iat': time()
+        },
+        key,
+        algorithm="HS256"
+    )
     return encoded