diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/inventory/models.py b/inventory/models.py
index 9bf6b85..b0ad803 100644
--- a/inventory/models.py
+++ b/inventory/models.py
@@ -1,5 +1,7 @@
 from django.db import models
+from django.contrib.auth.models import AbstractUser
 
+# Справочник товаров
 class Product(models.Model):
     name = models.CharField(max_length=255, verbose_name="Наименование товара")
     manufacturer_name = models.CharField(max_length=255, verbose_name="Производитель")
@@ -13,7 +15,28 @@ class Product(models.Model):
     def __str__(self):
         return self.name
 
+# Справочник должностей
+class Position(models.Model):
+    name = models.CharField(max_length=255, verbose_name="Наименование должности")
+    hourly_rate = models.DecimalField(max_digits=10, decimal_places=2, verbose_name="Ставка в час")
+    monthly_hours = models.IntegerField(verbose_name="Часы в месяц")
 
+    def __str__(self):
+        return self.name
+
+
+# Справочник сотрудников
+class Employee(AbstractUser):
+    position = models.ForeignKey(Position, on_delete=models.SET_NULL, null=True, verbose_name="Должность")
+    department = models.CharField(max_length=255, verbose_name="Подразделение")
+    work_phone = models.CharField(max_length=20, blank=True, null=True, verbose_name="Рабочий телефон")
+    personal_phone = models.CharField(max_length=20, blank=True, null=True, verbose_name="Личный телефон")
+    email = models.EmailField(unique=True, verbose_name="Электронная почта")
+
+    def __str__(self):
+        return self.get_full_name()
+
+# Справочник мест хранения
 class StorageLocation(models.Model):
     TYPE_CHOICES = [
         ('Store', 'Магазин'),
@@ -26,6 +49,35 @@ class StorageLocation(models.Model):
     def __str__(self):
         return self.name
 
+# Справочник контрагентов и договоров
+class Contractor(models.Model):
+    name = models.CharField(max_length=255, verbose_name="Наименование контрагента")
+    address = models.TextField(verbose_name="Адрес")
+    phone = models.CharField(max_length=20, verbose_name="Телефон")
+    email = models.EmailField(verbose_name="Электронная почта")
+
+    def __str__(self):
+        return self.name
+
+
+class SupplyContract(models.Model):
+    contractor = models.ForeignKey(Contractor, on_delete=models.CASCADE, verbose_name="Контрагент")
+    description = models.TextField(verbose_name="Описание")
+    start_date = models.DateField(verbose_name="Дата начала")
+    end_date = models.DateField(verbose_name="Дата окончания", blank=True, null=True)
+
+    def __str__(self):
+        return f"Договор с {self.contractor.name}"
+
+
+# Справочник грузовиков
+class Truck(models.Model):
+    plate_number = models.CharField(max_length=20, verbose_name="Номерной знак")
+    model = models.CharField(max_length=50, verbose_name="Модель")
+    capacity = models.DecimalField(max_digits=10, decimal_places=2, verbose_name="Грузоподъемность (тонны)")
+
+    def __str__(self):
+        return self.plate_number
 
 class StockOperation(models.Model):
     OPERATION_TYPE_CHOICES = [
diff --git a/inventory/serializers.py b/inventory/serializers.py
new file mode 100644
index 0000000..d8f7513
--- /dev/null
+++ b/inventory/serializers.py
@@ -0,0 +1,43 @@
+from rest_framework import serializers
+from .models import Product, Employee, Position, StorageLocation, Contractor, SupplyContract, Truck
+
+class ProductSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Product
+        fields = '__all__'
+
+
+class PositionSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Position
+        fields = '__all__'
+
+
+class EmployeeSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Employee
+        fields = '__all__'
+
+
+class StorageLocationSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = StorageLocation
+        fields = '__all__'
+
+
+class ContractorSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Contractor
+        fields = '__all__'
+
+
+class SupplyContractSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = SupplyContract
+        fields = '__all__'
+
+
+class TruckSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Truck
+        fields = '__all__'
\ No newline at end of file
diff --git a/inventory/urls.py b/inventory/urls.py
new file mode 100644
index 0000000..d9c180a
--- /dev/null
+++ b/inventory/urls.py
@@ -0,0 +1,19 @@
+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+from .views import (
+    ProductViewSet, EmployeeViewSet, PositionViewSet,
+    StorageLocationViewSet, ContractorViewSet, SupplyContractViewSet, TruckViewSet
+)
+
+router = DefaultRouter()
+router.register(r'products', ProductViewSet)
+router.register(r'employees', EmployeeViewSet)
+router.register(r'positions', PositionViewSet)
+router.register(r'storage-locations', StorageLocationViewSet)
+router.register(r'contractors', ContractorViewSet)
+router.register(r'supply-contracts', SupplyContractViewSet)
+router.register(r'trucks', TruckViewSet)
+
+urlpatterns = [
+    path('api/', include(router.urls)),
+]
\ No newline at end of file
diff --git a/inventory/views.py b/inventory/views.py
index 91ea44a..fcc9811 100644
--- a/inventory/views.py
+++ b/inventory/views.py
@@ -1,3 +1,40 @@
-from django.shortcuts import render
+from rest_framework import viewsets
+from .models import Product, Employee, Position, StorageLocation, Contractor, SupplyContract, Truck
+from .serializers import (
+    ProductSerializer, EmployeeSerializer, PositionSerializer,
+    StorageLocationSerializer, ContractorSerializer, SupplyContractSerializer, TruckSerializer
+)
 
-# Create your views here.
+class ProductViewSet(viewsets.ModelViewSet):
+    queryset = Product.objects.all()
+    serializer_class = ProductSerializer
+
+
+class EmployeeViewSet(viewsets.ModelViewSet):
+    queryset = Employee.objects.all()
+    serializer_class = EmployeeSerializer
+
+
+class PositionViewSet(viewsets.ModelViewSet):
+    queryset = Position.objects.all()
+    serializer_class = PositionSerializer
+
+
+class StorageLocationViewSet(viewsets.ModelViewSet):
+    queryset = StorageLocation.objects.all()
+    serializer_class = StorageLocationSerializer
+
+
+class ContractorViewSet(viewsets.ModelViewSet):
+    queryset = Contractor.objects.all()
+    serializer_class = ContractorSerializer
+
+
+class SupplyContractViewSet(viewsets.ModelViewSet):
+    queryset = SupplyContract.objects.all()
+    serializer_class = SupplyContractSerializer
+
+
+class TruckViewSet(viewsets.ModelViewSet):
+    queryset = Truck.objects.all()
+    serializer_class = TruckSerializer
\ No newline at end of file
diff --git a/settings/base.py b/settings/base.py
index bf20ec2..d62e02f 100644
--- a/settings/base.py
+++ b/settings/base.py
@@ -16,5 +16,6 @@ INSTALLED_APPS = [
     # 'django.contrib.sessions',
     # 'django.contrib.messages',
     # 'django.contrib.staticfiles',
+    'rest_framework',
     'inventory',
 ]
\ No newline at end of file