diff --git a/apps/payment/migrations/0002_delete_purchase.py b/apps/payment/migrations/0002_delete_purchase.py
new file mode 100644
index 00000000..047341e8
--- /dev/null
+++ b/apps/payment/migrations/0002_delete_purchase.py
@@ -0,0 +1,16 @@
+# Generated by Django 2.0.2 on 2018-02-20 17:37
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('payment', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.DeleteModel(
+            name='Purchase',
+        ),
+    ]
diff --git a/apps/payment/migrations/0003_auto_20180220_1912.py b/apps/payment/migrations/0003_auto_20180220_1912.py
new file mode 100644
index 00000000..34fec381
--- /dev/null
+++ b/apps/payment/migrations/0003_auto_20180220_1912.py
@@ -0,0 +1,71 @@
+# Generated by Django 2.0.2 on 2018-02-20 19:12
+
+from django.conf import settings
+import django.contrib.postgres.fields
+import django.contrib.postgres.fields.jsonb
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('course', '0034_auto_20180215_1503'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('contenttypes', '0002_remove_content_type_name'),
+        ('payment', '0002_delete_purchase'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Payment',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('amount', models.DecimalField(decimal_places=2, default=0, max_digits=8, verbose_name='Итого')),
+                ('status', models.PositiveSmallIntegerField(choices=[(0, 'regular'), (1, 'goodwill'), (2, 'negative'), (200, 'risk under review'), (201, 'risk reviewed accepted'), (202, 'risk reviewed declined'), (203, 'risk authorization voided'), (12, 'subscription cancelation'), (13, 'subscription expired'), (14, 'subscription payment failed')], verbose_name='Статус платежа')),
+                ('data', django.contrib.postgres.fields.jsonb.JSONField(default={}, verbose_name='Данные платежа от провайдера')),
+            ],
+            options={
+                'verbose_name': 'Платеж',
+                'verbose_name_plural': 'Платежи',
+            },
+        ),
+        migrations.CreateModel(
+            name='CoursePayment',
+            fields=[
+                ('payment_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='payment.Payment')),
+                ('course', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='course.Course', verbose_name='Курс')),
+            ],
+            options={
+                'verbose_name': 'Платеж за курс',
+                'verbose_name_plural': 'Платежи за курсы',
+            },
+            bases=('payment.payment',),
+        ),
+        migrations.CreateModel(
+            name='SchoolPayment',
+            fields=[
+                ('payment_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='payment.Payment')),
+                ('weekdays', django.contrib.postgres.fields.ArrayField(base_field=models.IntegerField(), size=7, verbose_name='Дни недели')),
+                ('date_start', models.DateField(verbose_name='Дата начала подписки')),
+                ('date_end', models.DateField(verbose_name='Дата окончания подписки')),
+            ],
+            options={
+                'verbose_name': 'Платеж за курс',
+                'verbose_name_plural': 'Платежи за курсы',
+            },
+            bases=('payment.payment',),
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='polymorphic_ctype',
+            field=models.ForeignKey(editable=False, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='polymorphic_payment.payment_set+', to='contenttypes.ContentType'),
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='user',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='Пользователь'),
+        ),
+    ]
diff --git a/apps/payment/models.py b/apps/payment/models.py
index 1eaa1c6f..841ea792 100644
--- a/apps/payment/models.py
+++ b/apps/payment/models.py
@@ -1,15 +1,52 @@
 from django.db import models
+from django.contrib.auth import get_user_model
+from django.contrib.postgres.fields import ArrayField, JSONField
 
+from paymentwall import Pingback
+from polymorphic.models import PolymorphicModel
 
-class Purchase(models.Model):
-    COMPLETE = 'COMPLETE'
-    CHARGEBACK = 'CHARGEBACK'
-    REFUNDED = 'REFUNDED'
-    ERROR = 'ERROR'
-    PENDING = 'PENDING'
+from apps.course.models import Course
+from apps.school.models import SchoolSchedule
 
-    transaction_id = models.PositiveIntegerField()
-    status = models.CharField(max_length=50)
-    product_id = models.PositiveIntegerField()
-    created_at = models.DateTimeField(auto_now_add=True)
-    updated_at = models.DateTimeField(auto_now=True)
+User = get_user_model()
+
+
+class Payment(PolymorphicModel):
+    PW_STATUS_CHOICES = (
+        (Pingback.PINGBACK_TYPE_REGULAR, 'regular',),
+        (Pingback.PINGBACK_TYPE_GOODWILL, 'goodwill',),
+        (Pingback.PINGBACK_TYPE_NEGATIVE, 'negative',),
+        (Pingback.PINGBACK_TYPE_RISK_UNDER_REVIEW, 'risk under review',),
+        (Pingback.PINGBACK_TYPE_RISK_REVIEWED_ACCEPTED, 'risk reviewed accepted',),
+        (Pingback.PINGBACK_TYPE_RISK_REVIEWED_DECLINED, 'risk reviewed declined',),
+        (Pingback.PINGBACK_TYPE_RISK_AUTHORIZATION_VOIDED, 'risk authorization voided',),
+        (Pingback.PINGBACK_TYPE_SUBSCRIPTION_CANCELLATION, 'subscription cancelation',),
+        (Pingback.PINGBACK_TYPE_SUBSCRIPTION_EXPIRED, 'subscription expired',),
+        (Pingback.PINGBACK_TYPE_SUBSCRIPTION_PAYMENT_FAILED, 'subscription payment failed',),
+    )
+    user = models.ForeignKey(User, on_delete=models.CASCADE, verbose_name='Пользователь')
+    amount = models.DecimalField('Итого', max_digits=8, decimal_places=2, default=0)
+    status = models.PositiveSmallIntegerField('Статус платежа', choices=PW_STATUS_CHOICES)
+    data = JSONField('Данные платежа от провайдера', default={})
+
+    class Meta:
+        verbose_name = 'Платеж'
+        verbose_name_plural = 'Платежи'
+
+
+class CoursePayment(Payment):
+    course = models.ForeignKey(Course, on_delete=models.CASCADE, verbose_name='Курс')
+
+    class Meta:
+        verbose_name = 'Платеж за курс'
+        verbose_name_plural = 'Платежи за курсы'
+
+
+class SchoolPayment(Payment):
+    weekdays = ArrayField(models.IntegerField(), size=7, verbose_name='Дни недели')
+    date_start = models.DateField('Дата начала подписки')
+    date_end = models.DateField('Дата окончания подписки')
+
+    class Meta:
+        verbose_name = 'Платеж за курс'
+        verbose_name_plural = 'Платежи за курсы'
diff --git a/src/paymentwall b/src/paymentwall
new file mode 160000
index 00000000..1b1f6c04
--- /dev/null
+++ b/src/paymentwall
@@ -0,0 +1 @@
+Subproject commit 1b1f6c04088f5e7ab089c2179f3ab19ff8d81078