diff --git a/API/app/controllers/answer_files_entity.py b/API/app/controllers/answer_files_entity.py
new file mode 100644
index 0000000..7afbaf5
--- /dev/null
+++ b/API/app/controllers/answer_files_entity.py
@@ -0,0 +1,20 @@
+from typing import List
+
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import Session
+
+from app.application.answer_files_repository import AnswerFilesRepository
+from app.database.dependencies import get_db
+from app.domain.entities.answer_files_entitity import AnswerFileEntity
+from app.infrastructure.dependencies import get_current_user
+
+router = APIRouter()
+
+
+@router.get("/answer_files/", response_model=List[AnswerFileEntity])
+def get_answer_files(
+        db: Session = Depends(get_db),
+        user=Depends(get_current_user),
+):
+    answer_files_service = AnswerFilesRepository(db)
+    return answer_files_service.get_all()
diff --git a/API/app/controllers/auth_router.py b/API/app/controllers/auth_router.py
new file mode 100644
index 0000000..7068f1e
--- /dev/null
+++ b/API/app/controllers/auth_router.py
@@ -0,0 +1,27 @@
+from fastapi import APIRouter, HTTPException
+from fastapi.params import Depends
+from sqlalchemy.orm import Session
+
+from app.database.dependencies import get_db
+from app.domain.entities.auth_entity import AuthEntity
+from app.infrastructure.auth_service import AuthService
+
+router = APIRouter()
+
+
+@router.get("/login/", response_model=dict)
+def login(
+        auth_data: AuthEntity,
+        db: Session = Depends(get_db)
+):
+    auth_service = AuthService(db)
+
+    token = auth_service.authenticate(auth_data.login, auth_data.password)
+
+    if token is None:
+        raise HTTPException(
+            status_code=401,
+            detail="Incorrect username or password"
+        )
+
+    return token
diff --git a/API/app/controllers/register_router.py b/API/app/controllers/register_router.py
new file mode 100644
index 0000000..aea8f41
--- /dev/null
+++ b/API/app/controllers/register_router.py
@@ -0,0 +1,20 @@
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import Session
+
+from app.database.dependencies import get_db
+from app.domain.entities.register_entity import RegisterEntity
+from app.domain.entities.users_entity import UserEntity
+from app.infrastructure.users_service import UsersService
+
+router = APIRouter()
+
+
+@router.post("/register/", response_model=UserEntity)
+def register(
+        register_data: RegisterEntity,
+        db: Session = Depends(get_db)
+):
+    users_service = UsersService(db)
+    user = users_service.create(register_data)
+
+    return user
diff --git a/API/app/domain/entities/auth_entity.py b/API/app/domain/entities/auth_entity.py
new file mode 100644
index 0000000..1f1ccc4
--- /dev/null
+++ b/API/app/domain/entities/auth_entity.py
@@ -0,0 +1,9 @@
+from pydantic import BaseModel
+
+
+class AuthEntity(BaseModel):
+    login: str
+    password: str
+
+    class Config:
+        from_attributes = True
diff --git a/API/app/domain/entities/register_entity.py b/API/app/domain/entities/register_entity.py
new file mode 100644
index 0000000..b0accc1
--- /dev/null
+++ b/API/app/domain/entities/register_entity.py
@@ -0,0 +1,20 @@
+import datetime
+from typing import Optional
+
+from pydantic import BaseModel
+
+
+class RegisterEntity(BaseModel):
+    first_name: str
+    last_name: str
+    patronymic: Optional[str] = None
+    gender: str
+    birthday: datetime.date
+    login: str
+    password: str
+    email: str
+
+    role_id: int
+
+    class Config:
+        from_attributes = True
diff --git a/API/app/infrastructure/auth_service.py b/API/app/infrastructure/auth_service.py
new file mode 100644
index 0000000..7548872
--- /dev/null
+++ b/API/app/infrastructure/auth_service.py
@@ -0,0 +1,34 @@
+import datetime
+from typing import Optional
+
+import jwt
+from sqlalchemy.orm import Session
+
+from app.application.users_repository import UsersRepository
+from app.settings import get_auth_data
+
+
+class AuthService:
+    def __init__(self, db: Session):
+        self.users_repository = UsersRepository(db)
+
+    def authenticate(self, login: str, password: str) -> Optional[dict]:
+        user = self.users_repository.get_by_login(login)
+        if user and user.check_password(password):
+            access_token = self.create_access_token({"user_id": user.id})
+            return {
+                "access_token": access_token,
+                "user_id": user.id
+            }
+
+        return None
+
+    @staticmethod
+    def create_access_token(data: dict) -> str:
+        to_encode = data.copy()
+        expire = datetime.datetime.now(datetime.timezone.utc) + datetime.timedelta(days=30)
+        to_encode.update({"exp": expire})
+        auth_data = get_auth_data()
+        encode_jwt = jwt.encode(to_encode, auth_data['secret_key'], algorithm=auth_data['algorithm'])
+
+        return encode_jwt
diff --git a/API/app/infrastructure/dependencies.py b/API/app/infrastructure/dependencies.py
new file mode 100644
index 0000000..d542ab7
--- /dev/null
+++ b/API/app/infrastructure/dependencies.py
@@ -0,0 +1,36 @@
+import jwt
+from fastapi import Depends, HTTPException, Security
+from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
+from sqlalchemy.orm import Session
+
+from app.application.users_repository import UsersRepository
+from app.database.dependencies import get_db
+from app.settings import get_auth_data
+
+security = HTTPBearer()
+
+
+def get_current_user(
+        credentials: HTTPAuthorizationCredentials = Security(security),
+        db: Session = Depends(get_db)
+):
+    token = credentials.credentials
+    auth_data = get_auth_data()
+
+    try:
+        payload = jwt.decode(token, auth_data["secret_key"], algorithms=[auth_data["algorithm"]])
+        user_id = payload.get("user_id")
+
+        if user_id is None:
+            raise HTTPException(status_code=401, detail="Invalid token")
+
+        user = UsersRepository(db).get_by_id(user_id)
+        if user is None:
+            raise HTTPException(status_code=401, detail="User not found")
+
+        return user
+
+    except jwt.ExpiredSignatureError:
+        raise HTTPException(status_code=401, detail="Token expired")
+    except jwt.InvalidTokenError:
+        raise HTTPException(status_code=401, detail="Invalid token")
diff --git a/API/app/infrastructure/users_service.py b/API/app/infrastructure/users_service.py
index 7a84b31..cda90e8 100644
--- a/API/app/infrastructure/users_service.py
+++ b/API/app/infrastructure/users_service.py
@@ -1,15 +1,20 @@
+import datetime
 from typing import Optional
 
+from fastapi import HTTPException
 from sqlalchemy.orm import Session
 
+from app.application.roles_repository import RolesRepository
 from app.application.users_repository import UsersRepository
+from app.domain.entities.register_entity import RegisterEntity
 from app.domain.entities.users_entity import UserEntity
-from app.domain.models.users import User
+from app.domain.models.users import User, UserGenderEnum
 
 
 class UsersService:
     def __init__(self, db: Session):
         self.users_repository = UsersRepository(db)
+        self.roles_repository = RolesRepository(db)
 
     def get_all(self) -> list[UserEntity]:
         users = self.users_repository.get_all()
@@ -64,12 +69,33 @@ class UsersService:
 
         return None
 
-    def create(self, user: UserEntity) -> UserEntity:
+    def create(self, user: RegisterEntity) -> UserEntity:
+
+        if not user.gender in ['мужской', 'женский', 'не указан']:
+            raise HTTPException(
+                status_code=400,
+                detail="Gender must be 'мужской', 'женский' or 'не указан'"
+            )
+
+        gender = UserGenderEnum(user.gender)
+        if user.birthday > datetime.date.today():
+            raise HTTPException(
+                status_code=400,
+                detail="Birthday must be in the past"
+            )
+
+        role = self.roles_repository.get_by_id(user.role_id)
+        if not role:
+            raise HTTPException(
+                status_code=400,
+                detail="Role not found"
+            )
+
         user_model = User(
             first_name=user.first_name,
             last_name=user.last_name,
             patronymic=user.patronymic,
-            gender=user.gender,
+            gender=gender,
             birthday=user.birthday,
             registration_date=user.registration_date,
             login=user.login,
diff --git a/API/app/main.py b/API/app/main.py
index dea52a7..378b3b1 100644
--- a/API/app/main.py
+++ b/API/app/main.py
@@ -1,19 +1,33 @@
 import logging
 
-from app.database.database import init_db
 from fastapi import FastAPI
 from starlette.middleware.cors import CORSMiddleware
 
+from app.controllers.answer_files_entity import router as answer_files_router
+from app.controllers.auth_router import router as auth_router
+from app.controllers.register_router import router as register_router
+from app.settings import settings
+
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
 
-app = FastAPI()
-app.add_middleware(
-    CORSMiddleware,
-    allow_origins=['*'],
-    allow_credentials=True,
-    allow_methods=['GET', 'POST', 'PUT', 'DELETE'],
-    allow_headers=['*'],
-)
 
-init_db()
+def start_app():
+    api_app = FastAPI()
+
+    api_app.add_middleware(
+        CORSMiddleware,
+        allow_origins=['*'],
+        allow_credentials=True,
+        allow_methods=['GET', 'POST', 'PUT', 'DELETE'],
+        allow_headers=['*'],
+    )
+
+    api_app.include_router(auth_router, prefix=settings.APP_PREFIX, tags=['auth'])
+    api_app.include_router(register_router, prefix=settings.APP_PREFIX, tags=['register'])
+    api_app.include_router(answer_files_router, prefix=settings.APP_PREFIX, tags=['answer_files'])
+
+    return api_app
+
+
+app = start_app()