diff --git a/addons/api/mirage/config.js b/addons/api/mirage/config.js
index 213f71d33..a7523ad69 100644
--- a/addons/api/mirage/config.js
+++ b/addons/api/mirage/config.js
@@ -514,6 +514,14 @@ export default function () {
   this.del('/credential-libraries/:id');
   this.patch('/credential-libraries/:id');
 
+  // managed-groups
+  this.get(
+    '/managed-groups',
+    ({ managedGroups }, { queryParams: { auth_method_id: authMethodId } }) => {
+      return managedGroups.where({ authMethodId });
+    }
+  );
+
   /* Uncomment the following line and the Response import above
    * Then change the response code to simulate error responses.
    * this.get('/scopes', () => new Response(505));
diff --git a/addons/api/mirage/factories/managed-groups.js b/addons/api/mirage/factories/managed-groups.js
new file mode 100644
index 000000000..c146537ab
--- /dev/null
+++ b/addons/api/mirage/factories/managed-groups.js
@@ -0,0 +1,17 @@
+import factory from '../generated/factories/managed-groups';
+import permissions from '../helpers/permissions';
+
+const types = ['password', 'OIDC'];
+
+export default factory.extend({
+  id: (i) => `managed-groups-id-${i}`,
+  type: (i) => types[i % types.length],
+
+  authorized_actions: () =>
+    permissions.authorizedActionsFor('managed-groups') || [
+      'no-op',
+      'read',
+      'update',
+      'delete',
+    ],
+});
diff --git a/addons/api/mirage/generated/factories/managed-groups.js b/addons/api/mirage/generated/factories/managed-groups.js
new file mode 100644
index 000000000..9650e8175
--- /dev/null
+++ b/addons/api/mirage/generated/factories/managed-groups.js
@@ -0,0 +1,17 @@
+import { Factory } from 'ember-cli-mirage';
+import { random, date, datatype } from 'faker';
+
+/**
+ * GeneratedManagedGroupsFactory
+ * A managed group is a resource that represents a collection of accounts.
+ */
+export default Factory.extend({
+  name: () => random.words(),
+  description: () => random.words(),
+  created_time: () => date.recent(),
+  updated_time: () => date.recent(),
+  version: () => datatype.number(),
+  type: Math.random() < 0.5 ? 'password' : 'OIDC',
+  auth_method_id: () => datatype.number(),
+  member_ids: () => datatype.array(),
+});
diff --git a/addons/api/mirage/models/managed-groups.js b/addons/api/mirage/models/managed-groups.js
new file mode 100644
index 000000000..7faa2b5a2
--- /dev/null
+++ b/addons/api/mirage/models/managed-groups.js
@@ -0,0 +1,5 @@
+import { Model, belongsTo } from 'ember-cli-mirage';
+
+export default Model.extend({
+  scope: belongsTo(),
+});
diff --git a/addons/api/mirage/scenarios/default.js b/addons/api/mirage/scenarios/default.js
index d0ad354c6..21d68908f 100644
--- a/addons/api/mirage/scenarios/default.js
+++ b/addons/api/mirage/scenarios/default.js
@@ -44,6 +44,13 @@ export default function (server) {
   server.createList('role', 1, { scope: globalScope }, 'withPrincipals');
   server.createList('role', 5, { scope: orgScope }, 'withPrincipals');
 
+  server.createList(
+    'managed-group',
+    2,
+    { scope: globalScope },
+    'withAccountsAndUsers'
+  );
+
   // Other resources
   server.schema.scopes.where({ type: 'project' }).models.forEach((scope) => {
     server.createList('host-catalog', 2, { scope }, 'withChildren');
diff --git a/addons/api/mirage/serializers/managed-groups.js b/addons/api/mirage/serializers/managed-groups.js
new file mode 100644
index 000000000..bb9f94eb2
--- /dev/null
+++ b/addons/api/mirage/serializers/managed-groups.js
@@ -0,0 +1,13 @@
+import ApplicationSerializer from './application';
+
+export default ApplicationSerializer.extend({
+  modelName: 'managed-groups',
+
+  _hashForModel() {
+    const json = ApplicationSerializer.prototype._hashForModel.apply(
+      this,
+      arguments
+    );
+    return json;
+  },
+});