diff --git a/__tests__/api.test.js b/__tests__/api.test.js
index 31b69913b5..a6e12ecdba 100644
--- a/__tests__/api.test.js
+++ b/__tests__/api.test.js
@@ -138,4 +138,36 @@ describe('APIClient (api.js)', () => {
 
     done();
   });
+
+  test('associateInstanceGroup calls expected http method with expected data', async (done) => {
+    const createPromise = () => Promise.resolve();
+    const mockHttp = ({ post: jest.fn(createPromise) });
+
+    const api = new APIClient(mockHttp);
+    const url = 'foo/bar/';
+    const id = 1;
+    await api.associateInstanceGroup(url, id);
+
+    expect(mockHttp.post).toHaveBeenCalledTimes(1);
+    expect(mockHttp.post.mock.calls[0][0]).toEqual(url);
+    expect(mockHttp.post.mock.calls[0][1]).toEqual({ id });
+
+    done();
+  });
+
+  test('disassociateInstanceGroup calls expected http method with expected data', async (done) => {
+    const createPromise = () => Promise.resolve();
+    const mockHttp = ({ post: jest.fn(createPromise) });
+
+    const api = new APIClient(mockHttp);
+    const url = 'foo/bar/';
+    const id = 1;
+    await api.disassociateInstanceGroup(url, id);
+
+    expect(mockHttp.post).toHaveBeenCalledTimes(1);
+    expect(mockHttp.post.mock.calls[0][0]).toEqual(url);
+    expect(mockHttp.post.mock.calls[0][1]).toEqual({ id, disassociate: true });
+
+    done();
+  });
 });
diff --git a/src/api.js b/src/api.js
index 1bbb68ce2f..1dc6d5a74b 100644
--- a/src/api.js
+++ b/src/api.js
@@ -70,6 +70,12 @@ class APIClient {
     return this.http.get(endpoint);
   }
 
+  updateOrganizationDetails (id, data) {
+    const endpoint = `${API_ORGANIZATIONS}${id}/`;
+
+    return this.http.patch(endpoint, data);
+  }
+
   getOrganizationInstanceGroups (id, params = {}) {
     const endpoint = `${API_ORGANIZATIONS}${id}/instance_groups/`;
 
@@ -113,6 +119,10 @@ class APIClient {
   associateInstanceGroup (url, id) {
     return this.http.post(url, { id });
   }
+
+  disassociateInstanceGroup (url, id) {
+    return this.http.post(url, { id, disassociate: true });
+  }
 }
 
 export default APIClient;