diff --git a/__tests__/index.test.ts b/__tests__/index.test.ts
index d781d0645..88fd92026 100644
--- a/__tests__/index.test.ts
+++ b/__tests__/index.test.ts
@@ -246,6 +246,12 @@ describe('Auth0', () => {
         { daysUntilExpire: 1 }
       );
     });
+    it('can be called with no arguments', async () => {
+      const { auth0, utils } = await setup();
+
+      await auth0.loginWithPopup();
+      expect(utils.openPopup).toHaveBeenCalled();
+    });
   });
   describe('loginWithRedirect()', () => {
     const REDIRECT_OPTIONS = {
@@ -347,6 +353,15 @@ describe('Auth0', () => {
         `https://test.auth0.com/authorize?query=params${TEST_TELEMETRY_QUERY_STRING}`
       );
     });
+    it('can be called with no arguments', async () => {
+      const { auth0 } = await setup();
+
+      await auth0.loginWithRedirect();
+
+      expect(window.location.assign).toHaveBeenCalledWith(
+        `https://test.auth0.com/authorize?query=params${TEST_TELEMETRY_QUERY_STRING}`
+      );
+    });
   });
   describe('handleRedirectCallback()', () => {
     it('throws when there is no query string', async () => {
diff --git a/src/Auth0Client.ts b/src/Auth0Client.ts
index 06944ccc0..891c38796 100644
--- a/src/Auth0Client.ts
+++ b/src/Auth0Client.ts
@@ -98,7 +98,7 @@ export default class Auth0Client {
    *
    * @param options
    */
-  public async loginWithPopup(options: PopupLoginOptions) {
+  public async loginWithPopup(options: PopupLoginOptions = {}) {
     const popup = await openPopup();
     const { ...authorizeOptions } = options;
     const stateIn = encodeState(createRandomString());
@@ -191,7 +191,7 @@ export default class Auth0Client {
    *
    * @param options
    */
-  public async loginWithRedirect(options: RedirectLoginOptions) {
+  public async loginWithRedirect(options: RedirectLoginOptions = {}) {
     const { redirect_uri, appState, ...authorizeOptions } = options;
     const stateIn = encodeState(createRandomString());
     const nonceIn = createRandomString();