diff --git a/netbox/ipam/api/serializers.py b/netbox/ipam/api/serializers.py
index c33694d88..8189a8fb3 100644
--- a/netbox/ipam/api/serializers.py
+++ b/netbox/ipam/api/serializers.py
@@ -1,4 +1,5 @@
 from rest_framework import serializers
+from rest_framework.validators import UniqueTogetherValidator
 
 from dcim.api.serializers import NestedDeviceSerializer, InterfaceSerializer, NestedSiteSerializer
 from extras.api.customfields import CustomFieldModelSerializer
@@ -99,7 +100,7 @@ class WritableAggregateSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Aggregate
-        fields = ['id', 'family', 'prefix', 'rir', 'date_added', 'description']
+        fields = ['id', 'prefix', 'rir', 'date_added', 'description']
 
 
 #
@@ -127,6 +128,18 @@ class WritableVLANGroupSerializer(serializers.ModelSerializer):
     class Meta:
         model = VLANGroup
         fields = ['id', 'name', 'slug', 'site']
+        validators = []
+
+    def validate(self, data):
+
+        # Validate uniqueness of name and slug if a site has been assigned.
+        if data.get('site', None):
+            for field in ['name', 'slug']:
+                validator = UniqueTogetherValidator(queryset=VLAN.objects.all(), fields=('site', field))
+                validator.set_context(self)
+                validator(data)
+
+        return data
 
 
 #
@@ -163,6 +176,18 @@ class WritableVLANSerializer(serializers.ModelSerializer):
         fields = [
             'id', 'site', 'group', 'vid', 'name', 'tenant', 'status', 'role', 'description',
         ]
+        validators = []
+
+    def validate(self, data):
+
+        # Validate uniqueness of vid and name if a group has been assigned.
+        if data.get('group', None):
+            for field in ['vid', 'name']:
+                validator = UniqueTogetherValidator(queryset=VLAN.objects.all(), fields=('group', field))
+                validator.set_context(self)
+                validator(data)
+
+        return data
 
 
 #
@@ -198,7 +223,7 @@ class WritablePrefixSerializer(serializers.ModelSerializer):
     class Meta:
         model = Prefix
         fields = [
-            'id', 'family', 'prefix', 'site', 'vrf', 'tenant', 'vlan', 'status', 'role', 'is_pool', 'description',
+            'id', 'prefix', 'site', 'vrf', 'tenant', 'vlan', 'status', 'role', 'is_pool', 'description',
         ]
 
 
@@ -235,7 +260,7 @@ class WritableIPAddressSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = IPAddress
-        fields = ['id', 'family', 'address', 'vrf', 'tenant', 'status', 'interface', 'description', 'nat_inside']
+        fields = ['id', 'address', 'vrf', 'tenant', 'status', 'interface', 'description', 'nat_inside']
 
 
 #
diff --git a/netbox/ipam/tests/test_api.py b/netbox/ipam/tests/test_api.py
new file mode 100644
index 000000000..64d8c98a1
--- /dev/null
+++ b/netbox/ipam/tests/test_api.py
@@ -0,0 +1,659 @@
+from netaddr import IPNetwork
+
+from rest_framework import status
+from rest_framework.test import APITestCase
+
+from django.contrib.auth.models import User
+from django.urls import reverse
+
+from dcim.models import Device, DeviceRole, DeviceType, Manufacturer, Site
+from ipam.models import (
+    Aggregate, IPAddress, IP_PROTOCOL_TCP, IP_PROTOCOL_UDP, Prefix, RIR, Role, Service, VLAN, VLANGroup, VRF,
+)
+from users.models import Token
+
+
+class VRFTest(APITestCase):
+
+    def setUp(self):
+
+        user = User.objects.create(username='testuser', is_superuser=True)
+        token = Token.objects.create(user=user)
+        self.header = {'HTTP_AUTHORIZATION': 'Token {}'.format(token.key)}
+
+        self.vrf1 = VRF.objects.create(name='Test VRF 1', rd='65000:1')
+        self.vrf2 = VRF.objects.create(name='Test VRF 2', rd='65000:2')
+        self.vrf3 = VRF.objects.create(name='Test VRF 3', rd='65000:3')
+
+    def test_get_vrf(self):
+
+        url = reverse('ipam-api:vrf-detail', kwargs={'pk': self.vrf1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['name'], self.vrf1.name)
+
+    def test_list_vrfs(self):
+
+        url = reverse('ipam-api:vrf-list')
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['count'], 3)
+
+    def test_create_vrf(self):
+
+        data = {
+            'name': 'Test VRF 4',
+            'rd': '65000:4',
+        }
+
+        url = reverse('ipam-api:vrf-list')
+        response = self.client.post(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+        self.assertEqual(VRF.objects.count(), 4)
+        vrf4 = VRF.objects.get(pk=response.data['id'])
+        self.assertEqual(vrf4.name, data['name'])
+        self.assertEqual(vrf4.rd, data['rd'])
+
+    def test_update_vrf(self):
+
+        data = {
+            'name': 'Test VRF X',
+            'rd': '65000:99',
+        }
+
+        url = reverse('ipam-api:vrf-detail', kwargs={'pk': self.vrf1.pk})
+        response = self.client.put(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(VRF.objects.count(), 3)
+        vrf1 = VRF.objects.get(pk=response.data['id'])
+        self.assertEqual(vrf1.name, data['name'])
+        self.assertEqual(vrf1.rd, data['rd'])
+
+    def test_delete_vrf(self):
+
+        url = reverse('ipam-api:vrf-detail', kwargs={'pk': self.vrf1.pk})
+        response = self.client.delete(url, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+        self.assertEqual(VRF.objects.count(), 2)
+
+
+class RIRTest(APITestCase):
+
+    def setUp(self):
+
+        user = User.objects.create(username='testuser', is_superuser=True)
+        token = Token.objects.create(user=user)
+        self.header = {'HTTP_AUTHORIZATION': 'Token {}'.format(token.key)}
+
+        self.rir1 = RIR.objects.create(name='Test RIR 1', slug='test-rir-1')
+        self.rir2 = RIR.objects.create(name='Test RIR 2', slug='test-rir-2')
+        self.rir3 = RIR.objects.create(name='Test RIR 3', slug='test-rir-3')
+
+    def test_get_rir(self):
+
+        url = reverse('ipam-api:rir-detail', kwargs={'pk': self.rir1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['name'], self.rir1.name)
+
+    def test_list_rirs(self):
+
+        url = reverse('ipam-api:rir-list')
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['count'], 3)
+
+    def test_create_rir(self):
+
+        data = {
+            'name': 'Test RIR 4',
+            'slug': 'test-rir-4',
+        }
+
+        url = reverse('ipam-api:rir-list')
+        response = self.client.post(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+        self.assertEqual(RIR.objects.count(), 4)
+        rir4 = RIR.objects.get(pk=response.data['id'])
+        self.assertEqual(rir4.name, data['name'])
+        self.assertEqual(rir4.slug, data['slug'])
+
+    def test_update_rir(self):
+
+        data = {
+            'name': 'Test RIR X',
+            'slug': 'test-rir-x',
+        }
+
+        url = reverse('ipam-api:rir-detail', kwargs={'pk': self.rir1.pk})
+        response = self.client.put(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(RIR.objects.count(), 3)
+        rir1 = RIR.objects.get(pk=response.data['id'])
+        self.assertEqual(rir1.name, data['name'])
+        self.assertEqual(rir1.slug, data['slug'])
+
+    def test_delete_rir(self):
+
+        url = reverse('ipam-api:rir-detail', kwargs={'pk': self.rir1.pk})
+        response = self.client.delete(url, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+        self.assertEqual(RIR.objects.count(), 2)
+
+
+class AggregateTest(APITestCase):
+
+    def setUp(self):
+
+        user = User.objects.create(username='testuser', is_superuser=True)
+        token = Token.objects.create(user=user)
+        self.header = {'HTTP_AUTHORIZATION': 'Token {}'.format(token.key)}
+
+        self.rir1 = RIR.objects.create(name='Test RIR 1', slug='test-rir-1')
+        self.rir2 = RIR.objects.create(name='Test RIR 2', slug='test-rir-2')
+        self.aggregate1 = Aggregate.objects.create(prefix=IPNetwork('10.0.0.0/8'), rir=self.rir1)
+        self.aggregate2 = Aggregate.objects.create(prefix=IPNetwork('172.16.0.0/12'), rir=self.rir1)
+        self.aggregate3 = Aggregate.objects.create(prefix=IPNetwork('192.168.0.0/16'), rir=self.rir1)
+
+    def test_get_aggregate(self):
+
+        url = reverse('ipam-api:aggregate-detail', kwargs={'pk': self.aggregate1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['prefix'], str(self.aggregate1.prefix))
+
+    def test_list_aggregates(self):
+
+        url = reverse('ipam-api:aggregate-list')
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['count'], 3)
+
+    def test_create_aggregate(self):
+
+        data = {
+            'prefix': '192.0.2.0/24',
+            'rir': self.rir1.pk,
+        }
+
+        url = reverse('ipam-api:aggregate-list')
+        response = self.client.post(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+        self.assertEqual(Aggregate.objects.count(), 4)
+        aggregate4 = Aggregate.objects.get(pk=response.data['id'])
+        self.assertEqual(str(aggregate4.prefix), data['prefix'])
+        self.assertEqual(aggregate4.rir_id, data['rir'])
+
+    def test_update_aggregate(self):
+
+        data = {
+            'prefix': '11.0.0.0/8',
+            'rir': self.rir2.pk,
+        }
+
+        url = reverse('ipam-api:aggregate-detail', kwargs={'pk': self.aggregate1.pk})
+        response = self.client.put(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(Aggregate.objects.count(), 3)
+        aggregate1 = Aggregate.objects.get(pk=response.data['id'])
+        self.assertEqual(str(aggregate1.prefix), data['prefix'])
+        self.assertEqual(aggregate1.rir_id, data['rir'])
+
+    def test_delete_aggregate(self):
+
+        url = reverse('ipam-api:aggregate-detail', kwargs={'pk': self.aggregate1.pk})
+        response = self.client.delete(url, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+        self.assertEqual(Aggregate.objects.count(), 2)
+
+
+class RoleTest(APITestCase):
+
+    def setUp(self):
+
+        user = User.objects.create(username='testuser', is_superuser=True)
+        token = Token.objects.create(user=user)
+        self.header = {'HTTP_AUTHORIZATION': 'Token {}'.format(token.key)}
+
+        self.role1 = Role.objects.create(name='Test Role 1', slug='test-role-1')
+        self.role2 = Role.objects.create(name='Test Role 2', slug='test-role-2')
+        self.role3 = Role.objects.create(name='Test Role 3', slug='test-role-3')
+
+    def test_get_role(self):
+
+        url = reverse('ipam-api:role-detail', kwargs={'pk': self.role1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['name'], self.role1.name)
+
+    def test_list_roles(self):
+
+        url = reverse('ipam-api:role-list')
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['count'], 3)
+
+    def test_create_role(self):
+
+        data = {
+            'name': 'Test Role 4',
+            'slug': 'test-role-4',
+        }
+
+        url = reverse('ipam-api:role-list')
+        response = self.client.post(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+        self.assertEqual(Role.objects.count(), 4)
+        role4 = Role.objects.get(pk=response.data['id'])
+        self.assertEqual(role4.name, data['name'])
+        self.assertEqual(role4.slug, data['slug'])
+
+    def test_update_role(self):
+
+        data = {
+            'name': 'Test Role X',
+            'slug': 'test-role-x',
+        }
+
+        url = reverse('ipam-api:role-detail', kwargs={'pk': self.role1.pk})
+        response = self.client.put(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(Role.objects.count(), 3)
+        role1 = Role.objects.get(pk=response.data['id'])
+        self.assertEqual(role1.name, data['name'])
+        self.assertEqual(role1.slug, data['slug'])
+
+    def test_delete_role(self):
+
+        url = reverse('ipam-api:role-detail', kwargs={'pk': self.role1.pk})
+        response = self.client.delete(url, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+        self.assertEqual(Role.objects.count(), 2)
+
+
+class PrefixTest(APITestCase):
+
+    def setUp(self):
+
+        user = User.objects.create(username='testuser', is_superuser=True)
+        token = Token.objects.create(user=user)
+        self.header = {'HTTP_AUTHORIZATION': 'Token {}'.format(token.key)}
+
+        self.site1 = Site.objects.create(name='Test Site 1', slug='test-site-1')
+        self.vrf1 = VRF.objects.create(name='Test VRF 1', rd='65000:1')
+        self.vlan1 = VLAN.objects.create(vid=1, name='Test VLAN 1')
+        self.role1 = Role.objects.create(name='Test Role 1', slug='test-role-1')
+        self.prefix1 = Prefix.objects.create(prefix=IPNetwork('192.168.1.0/24'))
+        self.prefix2 = Prefix.objects.create(prefix=IPNetwork('192.168.2.0/24'))
+        self.prefix3 = Prefix.objects.create(prefix=IPNetwork('192.168.3.0/24'))
+
+    def test_get_prefix(self):
+
+        url = reverse('ipam-api:prefix-detail', kwargs={'pk': self.prefix1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['prefix'], str(self.prefix1.prefix))
+
+    def test_list_prefixs(self):
+
+        url = reverse('ipam-api:prefix-list')
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['count'], 3)
+
+    def test_create_prefix(self):
+
+        data = {
+            'prefix': '192.168.4.0/24',
+            'site': self.site1.pk,
+            'vrf': self.vrf1.pk,
+            'vlan': self.vlan1.pk,
+            'role': self.role1.pk,
+        }
+
+        url = reverse('ipam-api:prefix-list')
+        response = self.client.post(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+        self.assertEqual(Prefix.objects.count(), 4)
+        prefix4 = Prefix.objects.get(pk=response.data['id'])
+        self.assertEqual(str(prefix4.prefix), data['prefix'])
+        self.assertEqual(prefix4.site_id, data['site'])
+        self.assertEqual(prefix4.vrf_id, data['vrf'])
+        self.assertEqual(prefix4.vlan_id, data['vlan'])
+        self.assertEqual(prefix4.role_id, data['role'])
+
+    def test_update_prefix(self):
+
+        data = {
+            'prefix': '192.168.99.0/24',
+            'site': self.site1.pk,
+            'vrf': self.vrf1.pk,
+            'vlan': self.vlan1.pk,
+            'role': self.role1.pk,
+        }
+
+        url = reverse('ipam-api:prefix-detail', kwargs={'pk': self.prefix1.pk})
+        response = self.client.put(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(Prefix.objects.count(), 3)
+        prefix1 = Prefix.objects.get(pk=response.data['id'])
+        self.assertEqual(str(prefix1.prefix), data['prefix'])
+        self.assertEqual(prefix1.site_id, data['site'])
+        self.assertEqual(prefix1.vrf_id, data['vrf'])
+        self.assertEqual(prefix1.vlan_id, data['vlan'])
+        self.assertEqual(prefix1.role_id, data['role'])
+
+    def test_delete_prefix(self):
+
+        url = reverse('ipam-api:prefix-detail', kwargs={'pk': self.prefix1.pk})
+        response = self.client.delete(url, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+        self.assertEqual(Prefix.objects.count(), 2)
+
+
+class IPAddressTest(APITestCase):
+
+    def setUp(self):
+
+        user = User.objects.create(username='testuser', is_superuser=True)
+        token = Token.objects.create(user=user)
+        self.header = {'HTTP_AUTHORIZATION': 'Token {}'.format(token.key)}
+
+        self.vrf1 = VRF.objects.create(name='Test VRF 1', rd='65000:1')
+        self.ipaddress1 = IPAddress.objects.create(address=IPNetwork('192.168.0.1/24'))
+        self.ipaddress2 = IPAddress.objects.create(address=IPNetwork('192.168.0.2/24'))
+        self.ipaddress3 = IPAddress.objects.create(address=IPNetwork('192.168.0.3/24'))
+
+    def test_get_ipaddress(self):
+
+        url = reverse('ipam-api:ipaddress-detail', kwargs={'pk': self.ipaddress1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['address'], str(self.ipaddress1.address))
+
+    def test_list_ipaddresss(self):
+
+        url = reverse('ipam-api:ipaddress-list')
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['count'], 3)
+
+    def test_create_ipaddress(self):
+
+        data = {
+            'address': '192.168.0.4/24',
+            'vrf': self.vrf1.pk,
+        }
+
+        url = reverse('ipam-api:ipaddress-list')
+        response = self.client.post(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+        self.assertEqual(IPAddress.objects.count(), 4)
+        ipaddress4 = IPAddress.objects.get(pk=response.data['id'])
+        self.assertEqual(str(ipaddress4.address), data['address'])
+        self.assertEqual(ipaddress4.vrf_id, data['vrf'])
+
+    def test_update_ipaddress(self):
+
+        data = {
+            'address': '192.168.0.99/24',
+            'vrf': self.vrf1.pk,
+        }
+
+        url = reverse('ipam-api:ipaddress-detail', kwargs={'pk': self.ipaddress1.pk})
+        response = self.client.put(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(IPAddress.objects.count(), 3)
+        ipaddress1 = IPAddress.objects.get(pk=response.data['id'])
+        self.assertEqual(str(ipaddress1.address), data['address'])
+        self.assertEqual(ipaddress1.vrf_id, data['vrf'])
+
+    def test_delete_ipaddress(self):
+
+        url = reverse('ipam-api:ipaddress-detail', kwargs={'pk': self.ipaddress1.pk})
+        response = self.client.delete(url, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+        self.assertEqual(IPAddress.objects.count(), 2)
+
+
+class VLANGroupTest(APITestCase):
+
+    def setUp(self):
+
+        user = User.objects.create(username='testuser', is_superuser=True)
+        token = Token.objects.create(user=user)
+        self.header = {'HTTP_AUTHORIZATION': 'Token {}'.format(token.key)}
+
+        self.vlangroup1 = VLANGroup.objects.create(name='Test VLAN Group 1', slug='test-vlan-group-1')
+        self.vlangroup2 = VLANGroup.objects.create(name='Test VLAN Group 2', slug='test-vlan-group-2')
+        self.vlangroup3 = VLANGroup.objects.create(name='Test VLAN Group 3', slug='test-vlan-group-3')
+
+    def test_get_vlangroup(self):
+
+        url = reverse('ipam-api:vlangroup-detail', kwargs={'pk': self.vlangroup1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['name'], self.vlangroup1.name)
+
+    def test_list_vlangroups(self):
+
+        url = reverse('ipam-api:vlangroup-list')
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['count'], 3)
+
+    def test_create_vlangroup(self):
+
+        data = {
+            'name': 'Test VLAN Group 4',
+            'slug': 'test-vlan-group-4',
+        }
+
+        url = reverse('ipam-api:vlangroup-list')
+        response = self.client.post(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+        self.assertEqual(VLANGroup.objects.count(), 4)
+        vlangroup4 = VLANGroup.objects.get(pk=response.data['id'])
+        self.assertEqual(vlangroup4.name, data['name'])
+        self.assertEqual(vlangroup4.slug, data['slug'])
+
+    def test_update_vlangroup(self):
+
+        data = {
+            'name': 'Test VLAN Group X',
+            'slug': 'test-vlan-group-x',
+        }
+
+        url = reverse('ipam-api:vlangroup-detail', kwargs={'pk': self.vlangroup1.pk})
+        response = self.client.put(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(VLANGroup.objects.count(), 3)
+        vlangroup1 = VLANGroup.objects.get(pk=response.data['id'])
+        self.assertEqual(vlangroup1.name, data['name'])
+        self.assertEqual(vlangroup1.slug, data['slug'])
+
+    def test_delete_vlangroup(self):
+
+        url = reverse('ipam-api:vlangroup-detail', kwargs={'pk': self.vlangroup1.pk})
+        response = self.client.delete(url, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+        self.assertEqual(VLANGroup.objects.count(), 2)
+
+
+class VLANTest(APITestCase):
+
+    def setUp(self):
+
+        user = User.objects.create(username='testuser', is_superuser=True)
+        token = Token.objects.create(user=user)
+        self.header = {'HTTP_AUTHORIZATION': 'Token {}'.format(token.key)}
+
+        self.vlan1 = VLAN.objects.create(vid=1, name='Test VLAN 1')
+        self.vlan2 = VLAN.objects.create(vid=2, name='Test VLAN 2')
+        self.vlan3 = VLAN.objects.create(vid=3, name='Test VLAN 3')
+
+    def test_get_vlan(self):
+
+        url = reverse('ipam-api:vlan-detail', kwargs={'pk': self.vlan1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['name'], self.vlan1.name)
+
+    def test_list_vlans(self):
+
+        url = reverse('ipam-api:vlan-list')
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['count'], 3)
+
+    def test_create_vlan(self):
+
+        data = {
+            'vid': 4,
+            'name': 'Test VLAN 4',
+        }
+
+        url = reverse('ipam-api:vlan-list')
+        response = self.client.post(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+        self.assertEqual(VLAN.objects.count(), 4)
+        vlan4 = VLAN.objects.get(pk=response.data['id'])
+        self.assertEqual(vlan4.vid, data['vid'])
+        self.assertEqual(vlan4.name, data['name'])
+
+    def test_update_vlan(self):
+
+        data = {
+            'vid': 99,
+            'name': 'Test VLAN X',
+        }
+
+        url = reverse('ipam-api:vlan-detail', kwargs={'pk': self.vlan1.pk})
+        response = self.client.put(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(VLAN.objects.count(), 3)
+        vlan1 = VLAN.objects.get(pk=response.data['id'])
+        self.assertEqual(vlan1.vid, data['vid'])
+        self.assertEqual(vlan1.name, data['name'])
+
+    def test_delete_vlan(self):
+
+        url = reverse('ipam-api:vlan-detail', kwargs={'pk': self.vlan1.pk})
+        response = self.client.delete(url, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+        self.assertEqual(VLAN.objects.count(), 2)
+
+
+class ServiceTest(APITestCase):
+
+    def setUp(self):
+
+        user = User.objects.create(username='testuser', is_superuser=True)
+        token = Token.objects.create(user=user)
+        self.header = {'HTTP_AUTHORIZATION': 'Token {}'.format(token.key)}
+
+        site = Site.objects.create(name='Test Site 1', slug='test-site-1')
+        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
+        devicetype = DeviceType.objects.create(manufacturer=manufacturer, model='Test Device Type 1')
+        devicerole = DeviceRole.objects.create(name='Test Device Role 1', slug='test-device-role-1')
+        self.device1 = Device.objects.create(
+            name='Test Device 1', site=site, device_type=devicetype, device_role=devicerole
+        )
+        self.device2 = Device.objects.create(
+            name='Test Device 2', site=site, device_type=devicetype, device_role=devicerole
+        )
+        self.service1 = Service.objects.create(
+            device=self.device1, name='Test Service 1', protocol=IP_PROTOCOL_TCP, port=1
+        )
+        self.service1 = Service.objects.create(
+            device=self.device1, name='Test Service 2', protocol=IP_PROTOCOL_TCP, port=2
+        )
+        self.service1 = Service.objects.create(
+            device=self.device1, name='Test Service 3', protocol=IP_PROTOCOL_TCP, port=3
+        )
+
+    def test_get_service(self):
+
+        url = reverse('ipam-api:service-detail', kwargs={'pk': self.service1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['name'], self.service1.name)
+
+    def test_list_services(self):
+
+        url = reverse('ipam-api:service-list')
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['count'], 3)
+
+    def test_create_service(self):
+
+        data = {
+            'device': self.device1.pk,
+            'name': 'Test Service 4',
+            'protocol': IP_PROTOCOL_TCP,
+            'port': 4,
+        }
+
+        url = reverse('ipam-api:service-list')
+        response = self.client.post(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+        self.assertEqual(Service.objects.count(), 4)
+        service4 = Service.objects.get(pk=response.data['id'])
+        self.assertEqual(service4.device_id, data['device'])
+        self.assertEqual(service4.name, data['name'])
+        self.assertEqual(service4.protocol, data['protocol'])
+        self.assertEqual(service4.port, data['port'])
+
+    def test_update_service(self):
+
+        data = {
+            'device': self.device2.pk,
+            'name': 'Test Service X',
+            'protocol': IP_PROTOCOL_UDP,
+            'port': 99,
+        }
+
+        url = reverse('ipam-api:service-detail', kwargs={'pk': self.service1.pk})
+        response = self.client.put(url, data, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual(Service.objects.count(), 3)
+        service1 = Service.objects.get(pk=response.data['id'])
+        self.assertEqual(service1.device_id, data['device'])
+        self.assertEqual(service1.name, data['name'])
+        self.assertEqual(service1.protocol, data['protocol'])
+        self.assertEqual(service1.port, data['port'])
+
+    def test_delete_service(self):
+
+        url = reverse('ipam-api:service-detail', kwargs={'pk': self.service1.pk})
+        response = self.client.delete(url, **self.header)
+
+        self.assertEqual(response.status_code, status.HTTP_204_NO_CONTENT)
+        self.assertEqual(Service.objects.count(), 2)