diff --git a/src/AuthProvider.tsx b/src/AuthProvider.tsx
index eb2ba01..28deb85 100644
--- a/src/AuthProvider.tsx
+++ b/src/AuthProvider.tsx
@@ -11,7 +11,7 @@ import {
   StepUpVerificationResult,
 } from '@/client/createSeamlessAuthClient';
 import { PasskeyPrfInput } from '@/client/webauthnPrf';
-import { Credential, User } from '@/types';
+import { Credential, Organization, User } from '@/types';
 import React, {
   createContext,
   ReactNode,
@@ -37,6 +37,9 @@ export interface AuthContextType {
   hasSignedInBefore: boolean;
   mode: AuthMode;
   credentials: Credential[];
+  organizations: Organization[];
+  activeOrganization: Organization | null;
+  switchOrganization: (organizationId: string) => Promise<void>;
   stepUpStatus: StepUpStatus | null;
   updateCredential: (credential: Credential) => Promise<Credential>;
   deleteCredential: (credentialId: string) => Promise<void>;
@@ -79,6 +82,8 @@ export const AuthProvider: React.FC<AuthProviderProps> = ({
 }) => {
   const [user, setUser] = useState<User | null>(null);
   const [credentials, setCredentials] = useState<Credential[]>([]);
+  const [organizations, setOrganizations] = useState<Organization[]>([]);
+  const [activeOrganization, setActiveOrganization] = useState<Organization | null>(null);
   const [stepUpStatus, setStepUpStatus] = useState<StepUpStatus | null>(null);
   const [isAuthenticated, setIsAuthenticated] = useState<boolean>(false);
   const [loading, setLoading] = useState<boolean>(true);
@@ -129,6 +134,8 @@ export const AuthProvider: React.FC<AuthProviderProps> = ({
       setIsAuthenticated(false);
       setUser(null);
       setCredentials([]);
+      setOrganizations([]);
+      setActiveOrganization(null);
       setStepUpStatus(null);
     }
   }, [authClient]);
@@ -141,6 +148,8 @@ export const AuthProvider: React.FC<AuthProviderProps> = ({
         setUser(null);
         setIsAuthenticated(false);
         setCredentials([]);
+        setOrganizations([]);
+        setActiveOrganization(null);
         setStepUpStatus(null);
         return;
       } else {
@@ -160,9 +169,12 @@ export const AuthProvider: React.FC<AuthProviderProps> = ({
       const response = await authClient.getCurrentUser();
 
       if (response.ok) {
-        const { user, credentials } = await response.json();
+        const { user, credentials, organizations, activeOrganization } =
+          await response.json();
         setUser(user);
         setCredentials(credentials ?? []);
+        setOrganizations(organizations ?? []);
+        setActiveOrganization(activeOrganization ?? null);
 
         setIsAuthenticated(true);
       } else {
@@ -213,6 +225,16 @@ export const AuthProvider: React.FC<AuthProviderProps> = ({
     throw new Error('Failed to delete credential');
   };
 
+  const switchOrganization = async (organizationId: string) => {
+    const response = await authClient.switchOrganization(organizationId);
+
+    if (!response.ok) {
+      throw new Error('Failed to switch organization');
+    }
+
+    await validateToken();
+  };
+
   const refreshStepUpStatus = useCallback(async () => {
     const response = await authClient.getStepUpStatus();
 
@@ -286,6 +308,9 @@ export const AuthProvider: React.FC<AuthProviderProps> = ({
         hasSignedInBefore: autoDetectPreviousSignin ? hasSignedInBefore : false,
         mode: authMode,
         credentials,
+        organizations,
+        activeOrganization,
+        switchOrganization,
         stepUpStatus,
         updateCredential,
         deleteCredential,
diff --git a/src/client/createSeamlessAuthClient.ts b/src/client/createSeamlessAuthClient.ts
index 8f8c55f..61ac43b 100644
--- a/src/client/createSeamlessAuthClient.ts
+++ b/src/client/createSeamlessAuthClient.ts
@@ -13,7 +13,7 @@ import {
 } from '@simplewebauthn/browser';
 
 import { AuthMode, createFetchWithAuth } from '../fetchWithAuth';
-import { Credential, User } from '../types';
+import { Credential, Organization, OrganizationMembership, User } from '../types';
 import {
   createPrfRequestBody,
   extractPasskeyPrfResult,
@@ -59,6 +59,46 @@ export interface PasskeyMetadata {
 export interface CurrentUserResult {
   user: User;
   credentials: Credential[];
+  organizations?: Organization[];
+  activeOrganization?: Organization | null;
+}
+
+export interface CreateOrganizationInput {
+  name: string;
+  slug?: string;
+  metadata?: Record<string, unknown> | null;
+}
+
+export interface UpdateOrganizationInput {
+  name?: string;
+  slug?: string;
+  metadata?: Record<string, unknown> | null;
+}
+
+export interface OrganizationMemberInput {
+  userId?: string;
+  email?: string;
+  roles?: string[];
+  scopes?: string[];
+}
+
+export interface OrganizationMemberUpdateInput {
+  roles?: string[];
+  scopes?: string[];
+}
+
+export interface OrganizationsResult {
+  organizations: Organization[];
+  activeOrganizationId?: string | null;
+}
+
+export interface OrganizationResult {
+  organization: Organization;
+}
+
+export interface OrganizationMembersResult {
+  members: OrganizationMembership[];
+  total: number;
 }
 
 export interface PasskeyLoginResult {
@@ -140,6 +180,28 @@ export interface SeamlessAuthClient {
     friendlyName: string | null;
   }) => Promise<Response>;
   deleteCredential: (id: string) => Promise<Response>;
+  listOrganizations: () => Promise<Response>;
+  createOrganization: (input: CreateOrganizationInput) => Promise<Response>;
+  getOrganization: (organizationId: string) => Promise<Response>;
+  updateOrganization: (
+    organizationId: string,
+    input: UpdateOrganizationInput
+  ) => Promise<Response>;
+  switchOrganization: (organizationId: string) => Promise<Response>;
+  listOrganizationMembers: (organizationId: string) => Promise<Response>;
+  addOrganizationMember: (
+    organizationId: string,
+    input: OrganizationMemberInput
+  ) => Promise<Response>;
+  updateOrganizationMember: (
+    organizationId: string,
+    userId: string,
+    input: OrganizationMemberUpdateInput
+  ) => Promise<Response>;
+  removeOrganizationMember: (
+    organizationId: string,
+    userId: string
+  ) => Promise<Response>;
 }
 
 const staleStepUpResult = (message: string): StepUpVerificationResult => ({
@@ -575,5 +637,60 @@ export const createSeamlessAuthClient = (
         headers: { 'Content-Type': 'application/json' },
         body: JSON.stringify({ id }),
       }),
+
+    listOrganizations: () =>
+      fetchWithAuth(`/organizations`, {
+        method: 'GET',
+      }),
+
+    createOrganization: input =>
+      fetchWithAuth(`/organizations`, {
+        method: 'POST',
+        body: JSON.stringify(input),
+      }),
+
+    getOrganization: organizationId =>
+      fetchWithAuth(`/organizations/${encodeURIComponent(organizationId)}`, {
+        method: 'GET',
+      }),
+
+    updateOrganization: (organizationId, input) =>
+      fetchWithAuth(`/organizations/${encodeURIComponent(organizationId)}`, {
+        method: 'PATCH',
+        body: JSON.stringify(input),
+      }),
+
+    switchOrganization: organizationId =>
+      fetchWithAuth(`/organizations/${encodeURIComponent(organizationId)}/switch`, {
+        method: 'POST',
+      }),
+
+    listOrganizationMembers: organizationId =>
+      fetchWithAuth(`/organizations/${encodeURIComponent(organizationId)}/members`, {
+        method: 'GET',
+      }),
+
+    addOrganizationMember: (organizationId, input) =>
+      fetchWithAuth(`/organizations/${encodeURIComponent(organizationId)}/members`, {
+        method: 'POST',
+        body: JSON.stringify(input),
+      }),
+
+    updateOrganizationMember: (organizationId, userId, input) =>
+      fetchWithAuth(
+        `/organizations/${encodeURIComponent(organizationId)}/members/${encodeURIComponent(userId)}`,
+        {
+          method: 'PATCH',
+          body: JSON.stringify(input),
+        }
+      ),
+
+    removeOrganizationMember: (organizationId, userId) =>
+      fetchWithAuth(
+        `/organizations/${encodeURIComponent(organizationId)}/members/${encodeURIComponent(userId)}`,
+        {
+          method: 'DELETE',
+        }
+      ),
   };
 };
diff --git a/src/index.ts b/src/index.ts
index da01401..14ac92a 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -8,10 +8,16 @@ import { AuthContextType, AuthProvider, useAuth } from '@/AuthProvider';
 import { AuthRoutes } from '@/AuthRoutes';
 import {
   createSeamlessAuthClient,
+  CreateOrganizationInput,
   CurrentUserResult,
   LoginInput,
   LoginMethod,
   LoginStartResult,
+  OrganizationMemberInput,
+  OrganizationMemberUpdateInput,
+  OrganizationMembersResult,
+  OrganizationResult,
+  OrganizationsResult,
   PasskeyLoginResult,
   PasskeyLoginWithPrfResult,
   PasskeyMetadata,
@@ -24,6 +30,7 @@ import {
   StepUpStatus,
   StepUpWithPasskeyPrfResult,
   StepUpVerificationResult,
+  UpdateOrganizationInput,
 } from '@/client/createSeamlessAuthClient';
 import {
   encodePrfSalt,
@@ -35,7 +42,7 @@ import {
 import { AuthMode } from '@/fetchWithAuth';
 import { useAuthClient } from '@/hooks/useAuthClient';
 import { usePasskeySupport } from '@/hooks/usePasskeySupport';
-import { Credential, User } from '@/types';
+import { Credential, Organization, OrganizationMembership, User } from '@/types';
 
 export {
   AuthProvider,
@@ -52,10 +59,18 @@ export type {
   AuthContextType,
   AuthMode,
   Credential,
+  CreateOrganizationInput,
   CurrentUserResult,
   LoginInput,
   LoginMethod,
   LoginStartResult,
+  Organization,
+  OrganizationMemberInput,
+  OrganizationMembership,
+  OrganizationMemberUpdateInput,
+  OrganizationMembersResult,
+  OrganizationResult,
+  OrganizationsResult,
   PasskeyLoginWithPrfResult,
   PasskeyLoginResult,
   PasskeyMetadata,
@@ -70,5 +85,6 @@ export type {
   StepUpStatus,
   StepUpWithPasskeyPrfResult,
   StepUpVerificationResult,
+  UpdateOrganizationInput,
   User,
 };
diff --git a/src/types.ts b/src/types.ts
index 3ea511e..e1eeda9 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -14,6 +14,30 @@ export interface User {
   email: string;
   phone: string;
   roles?: string[];
+  activeOrganizationId?: string | null;
+}
+
+export interface OrganizationMembership {
+  id: string;
+  organizationId: string;
+  userId: string;
+  roles: string[];
+  scopes: string[];
+  createdAt: string | Date;
+  updatedAt: string | Date;
+  user?: User;
+}
+
+export interface Organization {
+  id: string;
+  name: string;
+  slug: string;
+  createdByUserId: string | null;
+  metadata: Record<string, unknown> | null;
+  createdAt: string | Date;
+  updatedAt: string | Date;
+  membership?: OrganizationMembership;
+  memberCount?: number;
 }
 
 export interface Credential {
diff --git a/tests/createSeamlessAuthClient.test.ts b/tests/createSeamlessAuthClient.test.ts
index 82aee96..96ffcac 100644
--- a/tests/createSeamlessAuthClient.test.ts
+++ b/tests/createSeamlessAuthClient.test.ts
@@ -120,6 +120,44 @@ describe('createSeamlessAuthClient', () => {
     );
   });
 
+  it('uses organization endpoints', async () => {
+    const response = { ok: true };
+    mockFetchWithAuth.mockResolvedValue(response);
+
+    const client = createSeamlessAuthClient({
+      apiHost: 'https://api.example.com',
+      mode: 'server',
+    });
+
+    await expect(client.listOrganizations()).resolves.toBe(response);
+    await expect(client.createOrganization({ name: 'Acme' })).resolves.toBe(response);
+    await expect(client.switchOrganization('org 1')).resolves.toBe(response);
+    await expect(
+      client.addOrganizationMember('org 1', { email: 'member@example.com' })
+    ).resolves.toBe(response);
+
+    expect(mockFetchWithAuth).toHaveBeenNthCalledWith(1, '/organizations', {
+      method: 'GET',
+    });
+    expect(mockFetchWithAuth).toHaveBeenNthCalledWith(2, '/organizations', {
+      method: 'POST',
+      body: JSON.stringify({ name: 'Acme' }),
+    });
+    expect(mockFetchWithAuth).toHaveBeenNthCalledWith(
+      3,
+      '/organizations/org%201/switch',
+      { method: 'POST' }
+    );
+    expect(mockFetchWithAuth).toHaveBeenNthCalledWith(
+      4,
+      '/organizations/org%201/members',
+      {
+        method: 'POST',
+        body: JSON.stringify({ email: 'member@example.com' }),
+      }
+    );
+  });
+
   it('returns a successful passkey login result when both WebAuthn steps succeed', async () => {
     mockFetchWithAuth
       .mockResolvedValueOnce({