diff --git a/jsapp/js/account/organization/membersQuery.ts b/jsapp/js/account/organization/membersQuery.ts
index 1bec128e80..9414c796bd 100644
--- a/jsapp/js/account/organization/membersQuery.ts
+++ b/jsapp/js/account/organization/membersQuery.ts
@@ -1,7 +1,7 @@
 import {keepPreviousData, useQuery} from '@tanstack/react-query';
 import {endpoints} from 'js/api.endpoints';
 import type {PaginatedResponse} from 'js/dataInterface';
-import {fetchGet} from 'js/api';
+import {fetchGet, fetchPatch, fetchDelete} from 'js/api';
 import {QueryKeys} from 'js/query/queryKeys';
 import {useOrganizationQuery, type OrganizationUserRole} from './organizationQuery';
 
@@ -34,6 +34,34 @@ export interface OrganizationMember {
   };
 }
 
+/**
+ * For updating member within given organization. Accepts partial properties
+ * of `OrganizationMember`.
+ */
+export async function patchOrganizationMember(
+  organizationId: string,
+  username: string,
+  newMemberData: Partial<OrganizationMember>
+) {
+  const apiUrl = endpoints.ORGANIZATION_MEMBER_URL
+    .replace(':organization_id', organizationId)
+    .replace(':username', username);
+  return fetchPatch<OrganizationMember>(apiUrl, newMemberData);
+}
+
+/**
+ * For removing member from given organization.
+ */
+export async function removeOrganizationMember(
+  organizationId: string,
+  username: string
+) {
+  const apiUrl = endpoints.ORGANIZATION_MEMBER_URL
+    .replace(':organization_id', organizationId)
+    .replace(':username', username);
+  return fetchDelete(apiUrl);
+}
+
 /**
  * Fetches paginated list of members for given organization.
  * This is mainly needed for `useOrganizationMembersQuery`, so you most probably
diff --git a/jsapp/js/account/organization/organizationQuery.ts b/jsapp/js/account/organization/organizationQuery.ts
index 70f499b09a..dc1f3989d8 100644
--- a/jsapp/js/account/organization/organizationQuery.ts
+++ b/jsapp/js/account/organization/organizationQuery.ts
@@ -19,6 +19,10 @@ export interface Organization {
   request_user_role: OrganizationUserRole;
 }
 
+/**
+ * Note that it's only possible to update the role via API to either `admin` or
+ * `member`.
+ */
 export enum OrganizationUserRole {
   member = 'member',
   admin = 'admin',
diff --git a/jsapp/js/api.endpoints.ts b/jsapp/js/api.endpoints.ts
index a6096989f1..d07960d7f5 100644
--- a/jsapp/js/api.endpoints.ts
+++ b/jsapp/js/api.endpoints.ts
@@ -6,6 +6,7 @@ export const endpoints = {
   SUBSCRIPTION_URL: '/api/v2/stripe/subscriptions/',
   ADD_ONS_URL: '/api/v2/stripe/addons/',
   ORGANIZATION_MEMBERS_URL: '/api/v2/organizations/:organization_id/members/',
+  ORGANIZATION_MEMBER_URL: '/api/v2/organizations/:organization_id/members/:username/',
   /** Expected parameters: price_id and organization_id **/
   CHECKOUT_URL: '/api/v2/stripe/checkout-link',
   /** Expected parameter: organization_id  **/