diff --git a/kassa/atol.py b/kassa/atol.py
new file mode 100644
index 0000000..89e7aa2
--- /dev/null
+++ b/kassa/atol.py
@@ -0,0 +1,47 @@
+import requests
+import json
+
+
+class Atol:
+    def __init__(self, token):
+        self.token = token
+        # Вызовы функций
+        self.load_info()
+        # self.get_token()
+
+    def load_info(self):
+        self.url = "https://online.atol.ru/possystem/v4/"
+        self.group_id = 'jkhsakha-ru_3289'
+
+    def get_headers(self):
+        headers_dict = {
+            "Content-type": "application/json",
+            "charset": "utf-8",
+            "Token": self.token, }
+        return headers_dict
+
+    def get_request(self, method, url, data):
+        if method == "post":
+            r = requests.post(self.url+url, data=json.dumps(data),
+                              headers=self.get_headers())
+        else:
+            r = requests.get(self.url+url, headers=self.get_headers())
+        r.encoding = "utf-8"
+        return json.loads(r.text)
+
+    def get_token(self, login, password):
+        self.login = login
+        self.password = password
+        d = {"login": self.login, "pass": self.password}
+        self.token, _, self.timestamp = self.get_request(
+            "post", "getToken", d).values()
+        return self.token
+
+    def set_sell(self, reciept, is_refund):
+        func = '/sell' if is_refund == 0 else '/sell_refund'
+        s = self.get_request('post', self.group_id+func, reciept)
+        return s
+
+    def get_reciepts(self, uuid):
+        r = self.get_request('get', self.group_id+'/' + 'report/'+uuid, None)
+        return r
diff --git a/kassa/cruds/correction.py b/kassa/cruds/correction.py
new file mode 100644
index 0000000..e69de29
diff --git a/kassa/cruds/doc.py b/kassa/cruds/doc.py
new file mode 100644
index 0000000..3a50cdb
--- /dev/null
+++ b/kassa/cruds/doc.py
@@ -0,0 +1,53 @@
+from ast import Dict
+from sqlalchemy.orm import Session
+import schemas
+import models
+
+
+def create_doc(db: Session, doc: schemas.Doc, external_id: str = None):
+    d = doc.dict()
+    external_id = external_id.lower()
+    doc_query = db.query(models.Doc).filter(
+        models.Doc.external_id == external_id)
+    error = d.pop('error', None)
+    payload = d.pop('payload', None)
+    warnings = d.pop('warnings', None)
+    if error:
+        create_error(db, error, external_id)
+    if payload:
+        create_payload(db, payload, external_id)
+    if doc_query.first():
+        doc_query.update(values=d)
+    else:
+        doc_query = models.Doc(**d)
+        db.add(doc_query)
+    db.commit()
+
+
+def create_error(db: Session, error: schemas.Error, external_id: str = None):
+    err = error
+    err['external_id'] = external_id
+    err_query = db.query(models.Error).filter(
+        models.Error.external_id == external_id)
+    if err_query.first():
+
+        err_query.update(values=err)
+    else:
+        err_query = models.Error(**err, synchronize_session=False)
+        db.add(err_query)
+    db.commit()
+
+
+def create_payload(db: Session, payload: schemas.Payload, external_id: str = None):
+    pay = payload
+
+    payload_query = db.query(models.Payload).filter(
+        models.Payload.external_id == external_id)
+    if payload_query.first():
+        payload_query.update(pay, synchronize_session=False)
+
+    else:
+        pay['external_id'] = external_id
+        model = models.Payload(**pay)
+        db.add(model)
+    db.commit()
diff --git a/kassa/cruds/sell.py b/kassa/cruds/sell.py
new file mode 100644
index 0000000..e69de29
diff --git a/kassa/databases.py b/kassa/databases.py
new file mode 100644
index 0000000..6866019
--- /dev/null
+++ b/kassa/databases.py
@@ -0,0 +1,17 @@
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy import create_engine
+
+Base = declarative_base()
+SQL_ALCHEMY_DATABASE_URL_MSSQL = f'mssql+pyodbc://sa:159357@Sanctuary/Atol?driver=SQL+Server'
+engine = create_engine(
+    SQL_ALCHEMY_DATABASE_URL_MSSQL, connect_args={'check_same_thread': False})
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
diff --git a/kassa/kassa.py b/kassa/kassa.py
new file mode 100644
index 0000000..b8dddb2
--- /dev/null
+++ b/kassa/kassa.py
@@ -0,0 +1,15 @@
+from fastapi import APIRouter, Depends
+import databases
+import cruds.doc as doc
+import schemas
+import models
+
+models.Base.metadata.create_all(databases.engine)
+router = APIRouter()
+
+get_db = databases.get_db
+
+
+@router.post('/{external_id}')
+def insert_doc(request: schemas.Doc, external_id: str, db=Depends(get_db)):
+    return doc.create_doc(db, request, external_id)
diff --git a/kassa/models.py b/kassa/models.py
new file mode 100644
index 0000000..441648a
--- /dev/null
+++ b/kassa/models.py
@@ -0,0 +1,80 @@
+from sqlalchemy.sql.schema import ForeignKey
+from sqlalchemy import Column, Integer, String, Numeric, DateTime, Boolean
+from sqlalchemy.orm import relationship
+from databases import Base
+
+
+class Payment(Base):
+    __tablename__ = 'payments'
+
+    id = Column('id', Integer, primary_key=True, autoincrement=True)
+    external_id = Column('external_id', String(length=128))
+    type = Column('type', Integer)
+    sum = Column('sum', Numeric(12, 2))
+
+
+class CorrectionInfoTable(Base):
+    __tablename__ = 'correction_info'
+
+    external_id = Column('external_id', String(length=128), primary_key=True)
+    type = Column('type', String(length=10))
+    base_date = Column('base_date', String(length=128))
+    base_number = Column('base_number', String(length=128))
+
+
+class Error(Base):
+    __tablename__ = 'errors'
+
+    external_id = Column('external_id', String(length=128), primary_key=True)
+    error_id = Column('error_id', String(length=128))
+    code = Column('code', Integer)
+    text = Column('text', String(length=250))
+    type = Column('type', String(length=10))
+
+
+class Doc(Base):
+    __tablename__ = 'docs'
+    uuid = Column('uuid', String(length=128), primary_key=True)
+    timestamp = Column('timestamp', String(length=128))
+    group_code = Column('group_code', String(length=128))
+    daemon_code = Column('daemon_code', String(length=128))
+    device_code = Column('device_code', String(length=128))
+    external_id = Column('external_id', String(length=128))
+    callback_url = Column('callback_url', String(length=128))
+    status = Column('status', String(length=128))
+
+
+class Atol(Base):
+    __tablename__ = 'atol_receipts'
+    uuid = Column('uuid', String(length=128), primary_key=True)
+    timestamp = Column('timestamp', String(length=128))
+    external_id = Column('external_id', String(length=128))
+    status = Column('status', String(length=128))
+
+
+class Payload(Base):
+    __tablename__ = 'payloads'
+
+    external_id = Column('external_id',  String(128), primary_key=True)
+    fiscal_receipt_number = Column('fiscal_receipt_number', Integer)
+    shift_number = Column('shift_number', Integer)
+    receipt_datetime = Column('receipt_datetime', String(length=128))
+    total = Column('total',  Numeric(12, 2))
+    fn_number = Column('fn_number', String(length=128))
+    ecr_registration_number = Column(
+        'ecr_registration_number', String(length=128))
+    fiscal_document_number = Column('fiscal_document_number', Integer)
+    fiscal_document_attribute = Column('fiscal_document_attribute', Integer)
+    fns_site = Column('fns_site', String(length=128))
+
+
+"""
+class Sell(Base):
+    __tablename__ = 'sells'
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    external_id = Column('external_id',String(128))
+    is_refund = Column('is_refund', Boolean)
+    service = Column('service', String(length=16))
+    timestamp = Column('timestamp', DateTime)
+"""
diff --git a/kassa/new.py b/kassa/new.py
new file mode 100644
index 0000000..f613136
--- /dev/null
+++ b/kassa/new.py
@@ -0,0 +1,319 @@
+from time import sleep
+from typing import Dict, List, Tuple
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy import create_engine, Table, Column, engine
+from sqlalchemy.orm.session import Session
+from sqlalchemy.orm import query, sessionmaker
+from sqlalchemy.types import BigInteger, Integer, String, Numeric, Boolean, DateTime
+from sqlalchemy.sql.sqltypes import DateTime
+from sqlalchemy import desc, cast, case, func
+import schemas
+import models
+import datetime
+
+Base = declarative_base()
+metadata = Base.metadata
+
+
+class PaymentDetails(Base):
+    __tablename__ = "payment_details"
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    external_id = Column(String(36), nullable=False, index=True)
+    is_refund = Column(Boolean, nullable=False, index=True)
+    is_taken = Column(Boolean, nullable=False, index=True)
+    added_date = Column(DateTime, nullable=True,
+                        default=datetime.datetime.now())
+# class PaymentDetailsBaseModel(BaseModel):
+
+
+class DBEngine:
+    def __init__(self, server, dbname, user, password):
+        self.dbname = dbname
+        self.user = user
+        self.password = password
+        self.server = server
+        self.get_mssql_engine()
+
+    def get_mssql_engine(self):
+        query = f'mssql+pyodbc://{self.user}:{self.password}@{self.server}/{self.dbname}?driver=SQL+Server'
+        self.engine = create_engine(
+            query, connect_args={'check_same_thread': False})
+
+    def get_table(self, tablename: str) -> Table:
+        self.metadata = Base.metadata
+        self.metadata.reflect(bind=self.engine)
+        return Table(tablename, self.metadata, schema=self.dbname+'.dbo', autoload=True, autoload_with=self.engine)
+
+    def get_columns(self, tablename: str, columns: List[str] = None, labels: Dict = None) -> List[Column]:
+        table = self.get_table(tablename)
+        if not labels:
+            labels = {}
+        if columns:
+
+            lst = [(table.c.get(column)).label(labels.get(column, column) or column)
+                   for column in columns]
+            return lst
+        return table.c.items()
+
+    def get_db(self):
+        db = Session(autocommit=False, autoflush=False, bind=self.engine)
+        try:
+            yield db
+        finally:
+            db.close()
+
+
+def get_payment_details(db: Session, engine_class: DBEngine):
+    pd = engine_class.get_table('payment_details')
+    external_id, is_refund, is_taken = engine_class.get_columns(
+        'payment_details', ['external_id', 'is_refund', 'is_taken'])
+    query = db.query(pd).filter(is_taken == 0).with_entities(
+        external_id, is_refund, is_taken).distinct().order_by(external_id, desc(is_refund))
+    return query
+
+
+def update_payment_details(db: Session, engine_class: DBEngine, payment_details: Dict):
+    external_id_value = payment_details.get("external_id")
+    is_refund_value = payment_details.get("is_refund")
+    is_taken_value = payment_details.get("is_taken")
+    pd = engine_class.get_table('payment_details')
+    external_id, is_refund, is_taken = engine_class.get_columns(
+        'payment_details', ['external_id', 'is_refund', 'is_taken'])
+    query = db.query(pd).filter(external_id == external_id_value,
+                                is_taken == is_taken_value, is_refund == is_refund_value)
+    query = query.update({'is_taken': True}, synchronize_session='fetch')
+    db.commit()
+    return query
+
+
+def get_payment(db: Session, engine_class: DBEngine, payment_details: Tuple):
+    external_id_value, is_refund_value, is_taken_value = payment_details
+    pd = engine_class.get_table('payment_details')
+    external_id, is_refund, is_taken = engine_class.get_columns(
+        'payment_details', ['external_id', 'is_refund', 'is_taken'])
+    query = db.query(pd).filter(external_id == external_id_value,
+                                is_taken == is_taken_value, is_refund == is_refund_value)
+    return query
+
+
+"""
+#Место сбора запроса на items с заполнением по справочникам
+"""
+
+
+def get_payment_details_items(db: Session, engine_class: DBEngine, dict_engine: DBEngine, payment_details: Tuple):
+    payment = get_payment(
+        db, engine_class, payment_details).subquery('payment')
+    services = dict_engine.get_table('services')
+    units = dict_engine.get_table('units')
+    payment_method = dict_engine.get_table('payment_method')
+    payment_object = dict_engine.get_table('payment_object')
+    vats = dict_engine.get_table('payment_object_vat_type')
+    agents = dict_engine.get_table('agents')
+    company = dict_engine.get_table('providers')
+    query = db.query(
+        payment.c.external_id.label('external_id'),
+        services.c.sname.label('name'),
+        units.c["sname"].label('measurement_unit'),
+        payment.c.price.label('price'),
+        payment.c.quantity.label('quantity'),
+        payment.c.date_operation.label('date_operation'),
+        payment.c.phone.label('phone'),
+        company.c.inn,
+        payment.c.summa.label('sum'),
+        case(
+            (payment.c.payment_method.in_([5, 6, 7]), 3),
+            (payment.c.payment_method.in_([1, 2, 3]), 2),
+            (payment.c.payment_method == 4, 1)
+        ).label("payment_group"),
+        payment_method.c["name"].label('payment_method'),
+        payment_object.c["name"].label('payment_object'),
+        vats.c["name"].label("vat"),
+        payment.c.agent_type.label('agent_info'),
+        case((payment.c.agent_type != None, payment.c.supplier_info),
+             else_=None).label('supplier_info'),
+        agents.c["inn"].label("supplier_inn"),
+        agents.c["name"].label("supplier_name")
+    ).select_from(payment)\
+        .join(services, services.c["id_service"] == payment.c.id_item)\
+        .join(units, services.c["id_unit"] == units.c["id_unit"])\
+        .join(payment_method, payment.c.payment_method == payment_method.c["id"])\
+        .join(payment_object, payment.c.payment_object == payment_object.c["id"])\
+        .join(vats, payment.c.vat == vats.c["id"])\
+        .join(company, payment.c.id_company == company.c["id_provider"])\
+        .join(agents, payment.c.supplier_info == agents.c["id_agent"])
+    return query
+
+
+"""
+#Функция для заполнения payments
+"""
+
+
+def get_payments(data: List):
+    d = {}
+    for row in data:
+        type_id = row.get("payment_group")
+        cur_sum = row.get("sum")
+        d[type_id] = cur_sum + d.get(type_id, 0.0)
+    res = [{'type': i[0], 'sum': i[1]} for i in d.items()]
+    return res
+
+
+def get_token(db: Session, db_dict: DBEngine):
+    token_dict = db_dict.get_table("vAtolToken")
+    return token_dict.get("token")
+
+
+"""
+#Функция для заполнения total
+"""
+
+
+def get_total(data: List):
+    total = 0.0
+    for i in data:
+        total += i.get("sum")
+    return total
+
+
+"""
+#Функция для заполнения items в dicts 
+"""
+
+
+def items_convert(data: query):
+    items = []
+    external_id = 0
+    total = 0.0
+    d = {}
+    payments = []
+    phone = ""
+    inn = 0
+    for row in data.all():
+        item = dict(row)
+        external_id = item.get("external_id")
+        item["vat"] = get_vat(item.get("vat"))
+        agent_info = item.pop("agent_info", None)
+        total += item.get("sum")
+        type_id = item.get("payment_group")
+        cur_sum = item.get("sum")
+        phone = item.get("phone", '+79111111111')
+        inn = int(item.get("inn"))
+        d[type_id] = cur_sum + d.get(type_id, 0.0)
+        if agent_info:
+            item["agent_info"] = {"type": agent_info}
+            item["supplier_info"] = {
+                "inn": item.pop("supplier_inn", None),
+                "name": item.pop("supplier_name", None)
+            }
+        else:
+            for i in ["supplier_info", 'supplier_inn', 'supplier_name']:
+                del item[i]
+        items.append(item)
+    payments = [{'type': i[0], 'sum': i[1]} for i in d.items()]
+    client = get_client(phone)
+    company = get_company(inn)
+    return external_id, items,  payments, client, company, total
+
+
+def get_company(inn: int):
+    company = {}
+    company['inn'] = inn
+    company['email'] = 'ocnkp@jkhsakha.ru'
+    company['payment_address'] = 'http://jkhsakha.ru/'
+    company['sno'] = 'osn'
+    return company
+
+
+def get_receipt(data: query):
+    receipt = {}
+    external_id = 0
+    external_id, items,  payments, client, company, total = items_convert(
+        data)
+    receipt['client'] = client
+    receipt["payments"] = payments
+    receipt["company"] = company
+    receipt['items'] = items
+    receipt['total'] = total
+    return external_id, receipt
+
+
+def get_sell(data: query):
+    sell = {}
+    current_datetime = datetime.datetime.now()
+    external_id, sell['receipt'] = get_receipt(data)
+    sell["timestamp"] = current_datetime.strftime(
+        '%d.%m.%Y %H:%M:%S')
+    sell["external_id"] = external_id
+    sell["service"] = {
+        'callback_url': f"http://api.jkhsakha.ru/kassa/{external_id}"
+    }
+    return sell
+
+
+def get_client(phone: str):
+    return {
+        'phone': phone
+    }
+
+
+def get_vat(vat: str):
+    return {'type': vat}
+
+
+def add_atol(db: Session, engine: DBEngine, atol: Dict):
+    aa = engine.get_table("Atol")
+    a = aa.insert().values(atol)
+    db.execute(a)
+    db.commit()
+
+
+def add_doc(sell: schemas.Sell, is_refund):
+    from databases import SessionLocal
+    from atol import Atol
+    atol_model = Atol
+    session = SessionLocal()
+    a = Atol.set_sell(atol_model, sell, is_refund)
+    check = models.Atol(**a)
+    session.add(check)
+    session.commit()
+    session.close()
+
+
+def get_payment():
+    server = 'Sanctuary'
+    user = 'sa'
+    password = '159357'
+    dbname = 'fz54_details'
+    db_dicts_name = 'fz54'
+    db = DBEngine(server, dbname, user, password)
+    db_dicts = DBEngine(server, db_dicts_name, user, password)
+    session = Session(autocommit=False, autoflush=False, bind=db.engine)
+    payment = get_payment_details(session, db).first()
+    if payment:
+        payments = get_payment_details_items(session, db, db_dicts, payment)
+        body = get_sell(payments)
+        sell = schemas.Sell(**body)
+        payment = dict(payment)
+        atol = {
+            "external_id": payment.get("external_id"),
+            "is_refund": payment.get("is_refund"),
+            "is_taken": payment.get("is_taken"),
+            "body": str(body)
+        }
+        add_atol(session, db, atol)
+        update_payment_details(session, db, payment)
+        return sell, payment.get("is_refund")
+    return False, False
+
+
+if __name__ == "__main__":
+    while True:
+        payment, is_refund = get_payment()
+        if payment == False:
+            break
+        sleep(1)
+        add_doc(sell=payment, is_refund=is_refund)
+        break
diff --git a/kassa/schemas.py b/kassa/schemas.py
new file mode 100644
index 0000000..672e66e
--- /dev/null
+++ b/kassa/schemas.py
@@ -0,0 +1,222 @@
+from ast import Try
+from typing import List, Optional, Dict
+from pydantic import BaseModel, Field, confloat, constr
+from sqlalchemy.sql.sqltypes import Boolean, DateTime
+from sqlalchemy.sql.sqltypes import DateTime
+
+
+class SumNumberTwoFormat(BaseModel):
+    __root__: Optional[confloat(ge=0.0, le=100000000.0, multiple_of=0.01)]
+
+
+class NumberPrice(BaseModel):
+    __root__: confloat(ge=0.0, le=42949673.0, multiple_of=0.01)
+
+
+class PhoneNumber(BaseModel):
+    __root__: constr(regex=r'^([^\s\\]{0,17}|\+[^\s\\]{1,18})$')
+
+
+class NumberTwoFormat(BaseModel):
+    __root__: confloat(ge=0.0, le=100000000.0, multiple_of=0.01)
+
+
+class NumberThreeFormat(BaseModel):
+    __root__: confloat(ge=0.0, le=100000.0, multiple_of=0.001)
+
+
+class Service(BaseModel):
+    callback_url: Optional[constr(max_length=256)] = None
+
+
+class Warnings(BaseModel):
+    callback_url: str = None
+
+
+class PayingAgent(BaseModel):
+    operation: Optional[str] = None
+    phones: Optional[List[PhoneNumber]] = None
+
+
+class SupplierInfo(BaseModel):
+    phones: Optional[List[PhoneNumber]] = None
+    name: Optional[str] = None
+    inn: Optional[str] = None
+
+    class Config:
+        orm_mode = True
+
+
+class ReceivePaymentsOperator(BaseModel):
+    phones: Optional[List[PhoneNumber]] = None
+
+
+class MoneyTransferOperator(BaseModel):
+    phones: Optional[List[PhoneNumber]] = None
+    name: Optional[str] = None
+    address: Optional[str] = None
+    inn: Optional[constr(regex=r'(^[0-9]{10}$)|(^[0-9]{12}$)')] = None
+
+
+class Company(BaseModel):
+    email: Optional[constr(max_length=64)] = None
+    sno: Optional[str] = None
+    inn: constr(max_length=12)
+    payment_address: constr(max_length=256)
+
+    class Config:
+        orm_mode = True
+
+
+class ClientItem(BaseModel):
+    email: constr(max_length=64) = None
+    phone: Optional[constr(max_length=64)] = None
+
+
+class AdditionalUserProps(BaseModel):
+    name: constr(max_length=64)
+    value: constr(max_length=256)
+
+
+class AgentInfo(BaseModel):
+    type: Optional[str] = None
+    paying_agent: Optional[PayingAgent] = None
+    receive_payments_operator: Optional[ReceivePaymentsOperator] = None
+    money_transfer_operator: Optional[MoneyTransferOperator] = None
+
+    class Config:
+        orm_mode = True
+
+
+class Error(BaseModel):
+    error_id: Optional[str] = None
+    code: int
+    text: str
+    type: Optional[str] = None
+
+    class Config:
+        orm_mode = True
+
+
+class Payload(BaseModel):
+    fiscal_receipt_number: int
+    shift_number: int
+    receipt_datetime: str
+    total: float
+    fn_number: str
+    ecr_registration_number: str
+    fiscal_document_number: int
+    fiscal_document_attribute: int
+    fns_site: str
+
+
+class Vat(BaseModel):
+    type: Optional[str] = None
+
+    class Config:
+        orm_mode = True
+
+
+class CorrectionInfo(BaseModel):
+    type: str
+    base_date: str
+    base_number: str
+
+
+class Payment(BaseModel):
+    type: int
+    sum: SumNumberTwoFormat
+
+    class Config:
+        orm_mode = True
+
+
+class Item(BaseModel):
+    name: str
+    price: NumberPrice
+    quantity: NumberThreeFormat
+    sum: SumNumberTwoFormat
+    measurement_unit: Optional[constr(max_length=16)] = None
+    payment_method: Optional[str] = None
+    payment_object: Optional[str] = None
+    nomenclature_code: Optional[str] = None
+    vat: Optional[Vat] = None
+    agent_info: Optional[AgentInfo] = None
+    supplier_info: Optional[SupplierInfo] = None
+    user_data: Optional[constr(max_length=64)] = None
+    excise: Optional[confloat(ge=0.0)] = None
+    country_code: Optional[constr(
+        regex=r'^[0-9]*$', min_length=1, max_length=3)] = None
+    declaration_number: Optional[constr(min_length=1, max_length=32)] = None
+
+    class Config:
+        orm_mode = True
+
+
+class Receipt(BaseModel):
+    client: ClientItem
+    company: Company
+    agent_info: Optional[AgentInfo] = None
+    supplier_info: Optional[SupplierInfo] = None
+    items: List[Item] = Field(..., min_items=1)
+    payments: List[Payment] = Field(..., max_items=10, min_items=1)
+    vats: Optional[List[Vat]] = Field(None, max_items=6, min_items=1)
+    total: NumberTwoFormat
+    additional_check_props: Optional[constr(max_length=16)] = None
+    cashier: Optional[constr(max_length=64)] = None
+    additional_user_props: Optional[AdditionalUserProps] = None
+
+    class Config:
+        orm_mode = True
+
+
+class Correction(BaseModel):
+    company: Company
+    cashier: Optional[constr(max_length=64)] = None
+    correction_info: CorrectionInfo
+    payments: List[int] = Field(..., max_items=10, min_items=1)
+    vats: List[Vat] = Field(..., max_items=6, min_items=1)
+
+    class Config:
+        orm_mode = True
+
+
+class Doc(BaseModel):
+    uuid: str
+    timestamp: str
+    group_code: str
+    daemon_code: str
+    device_code: str
+    external_id: Optional[str] = None
+    callback_url: Optional[str] = None
+    status: Optional[str] = None
+    error: Error = None
+    warnings: Optional[Warnings] = None
+    payload: Payload = None
+
+    class Config:
+        orm_mode = True
+
+
+class Sell(BaseModel):
+    external_id: constr(max_length=128)
+    receipt: Receipt
+    service: Optional[Service] = None
+    timestamp: str = None
+
+    class Config:
+        arbitrary_types_allowed = True
+
+
+class SellCreate(Sell):
+    is_refund: bool
+
+
+class SellShow(SellCreate):
+    id: int
+
+
+class Correction(BaseModel):
+    timestamp: str
+    external_id: constr(max_length=128)
+    service: Optional[Service] = None
diff --git a/main.py b/main.py
index 2737cf5..bd61218 100644
--- a/main.py
+++ b/main.py
@@ -3,14 +3,15 @@ from fastapi.middleware import Middleware
 from fastapi.middleware.cors import CORSMiddleware
 from kv import kv
 from auth import auth
+from kassa import kassa
 import uvicorn
 
 middleware = [Middleware(
     CORSMiddleware,
-    allow_origins = ['*'],
-    allow_credentials = True,
-    allow_methods  = ['*'],
-    allow_headers  = ['*'],
+    allow_origins=['*'],
+    allow_credentials=True,
+    allow_methods=['*'],
+    allow_headers=['*'],
 )]
 
 app = FastAPI(middleware=middleware)
@@ -18,15 +19,26 @@ app = FastAPI(middleware=middleware)
 
 @app.get('/hello')
 async def say_hello():
-    return { "text": "Hello!" }
+    return {"text": "Hello!"}
 
 app.include_router(
-    router = auth.router, 
-    prefix= '/auth',
+    router=auth.router,
+    prefix='/auth',
+    tags=['Авторизация'],
+    responses={404: {"description": "Not found"}}
+)
+app.include_router(
+    router=kv.router,
+    prefix='/kv',
+    tags=['Кварплата'],
+    responses={404: {"description": "Not found"}}
+)
+app.include_router(
+    router=kassa.router,
+    prefix='/kassa',
+    tags=['Касса Атол'],
     responses={404: {"description": "Not found"}}
 )
-app.include_router(router = kv.router, prefix = '/kv',tags=['Кварплата'], responses={404: {"description": "Not found"}})
-
 
 if __name__ == "__main__":
-    uvicorn.run("main:app", host = "0.0.0.0", port = 5000)
\ No newline at end of file
+    uvicorn.run("main:app", host="0.0.0.0", port=5000)