diff --git a/packages/integration-tests/package.json b/packages/integration-tests/package.json
index efd8245fc..8fb2a3083 100644
--- a/packages/integration-tests/package.json
+++ b/packages/integration-tests/package.json
@@ -53,5 +53,8 @@
   "eslintConfig": {
     "extends": "@silverhand"
   },
-  "prettier": "@silverhand/eslint-config/.prettierrc"
+  "prettier": "@silverhand/eslint-config/.prettierrc",
+  "dependencies": {
+    "otplib": "^12.0.1"
+  }
 }
diff --git a/packages/integration-tests/src/api/interaction.ts b/packages/integration-tests/src/api/interaction.ts
index ecbf26865..991f215e0 100644
--- a/packages/integration-tests/src/api/interaction.ts
+++ b/packages/integration-tests/src/api/interaction.ts
@@ -3,6 +3,7 @@ import type {
   IdentifierPayload,
   Profile,
   RequestVerificationCodePayload,
+  BindMfaPayload,
 } from '@logto/schemas';
 import type { Got } from 'got';
 
@@ -67,6 +68,15 @@ export const putInteractionProfile = async (cookie: string, payload: Profile) =>
     })
     .json();
 
+export const putInteractionBindMfa = async (cookie: string, payload: BindMfaPayload) =>
+  api
+    .put('interaction/bind-mfa', {
+      headers: { cookie },
+      json: payload,
+      followRedirect: false,
+    })
+    .json();
+
 export const deleteInteractionProfile = async (cookie: string) =>
   api
     .delete('interaction/profile', {
@@ -106,6 +116,15 @@ export const createSocialAuthorizationUri = async (
     followRedirect: false,
   });
 
+export const initTotp = async (cookie: string) =>
+  api
+    .post('interaction/verification/totp', {
+      headers: { cookie },
+      json: {},
+      followRedirect: false,
+    })
+    .json<{ secret: string }>();
+
 export const consent = async (api: Got, cookie: string) =>
   api
     .post('interaction/consent', {
diff --git a/packages/integration-tests/src/helpers/sign-in-experience.ts b/packages/integration-tests/src/helpers/sign-in-experience.ts
index da7594bf8..0b744a72d 100644
--- a/packages/integration-tests/src/helpers/sign-in-experience.ts
+++ b/packages/integration-tests/src/helpers/sign-in-experience.ts
@@ -1,5 +1,5 @@
 import type { SignInExperience } from '@logto/schemas';
-import { SignInMode, SignInIdentifier } from '@logto/schemas';
+import { SignInMode, SignInIdentifier, MfaFactor, MfaPolicy } from '@logto/schemas';
 
 import { updateSignInExperience } from '#src/api/index.js';
 
@@ -60,6 +60,7 @@ export const enableAllPasswordSignInMethods = async (
     signIn: {
       methods: defaultPasswordSignInMethods,
     },
+    mfa: { factors: [], policy: MfaPolicy.UserControlled },
   });
 
 export const enableAllVerificationCodeSignInMethods = async (
@@ -71,4 +72,13 @@ export const enableAllVerificationCodeSignInMethods = async (
     signIn: {
       methods: defaultVerificationCodeSignInMethods,
     },
+    mfa: { factors: [], policy: MfaPolicy.UserControlled },
+  });
+
+export const enableMandatoryMfaWithTotp = async () =>
+  updateSignInExperience({
+    mfa: {
+      factors: [MfaFactor.TOTP],
+      policy: MfaPolicy.Mandatory,
+    },
   });
diff --git a/packages/integration-tests/src/tests/api/interaction/mfa/totp.test.ts b/packages/integration-tests/src/tests/api/interaction/mfa/totp.test.ts
new file mode 100644
index 000000000..0e1ebbecb
--- /dev/null
+++ b/packages/integration-tests/src/tests/api/interaction/mfa/totp.test.ts
@@ -0,0 +1,150 @@
+import { InteractionEvent, MfaFactor, SignInIdentifier } from '@logto/schemas';
+import { authenticator } from 'otplib';
+
+import { putInteraction, deleteUser, initTotp, putInteractionBindMfa } from '#src/api/index.js';
+import { initClient, processSession, logoutClient } from '#src/helpers/client.js';
+import { expectRejects } from '#src/helpers/index.js';
+import {
+  enableAllPasswordSignInMethods,
+  enableMandatoryMfaWithTotp,
+} from '#src/helpers/sign-in-experience.js';
+import { generateNewUser, generateNewUserProfile } from '#src/helpers/user.js';
+
+describe('register with mfa (mandatory TOTP)', () => {
+  beforeAll(async () => {
+    await enableAllPasswordSignInMethods({
+      identifiers: [SignInIdentifier.Username],
+      password: true,
+      verify: false,
+    });
+    await enableMandatoryMfaWithTotp();
+  });
+
+  it('should fail with missing_mfa error for normal register', async () => {
+    const { username, password } = generateNewUserProfile({ username: true, password: true });
+    const client = await initClient();
+
+    await client.send(putInteraction, {
+      event: InteractionEvent.Register,
+      profile: {
+        username,
+        password,
+      },
+    });
+
+    await expectRejects(client.submitInteraction(), {
+      code: 'user.missing_mfa',
+      statusCode: 422,
+    });
+  });
+
+  it('should fail with wrong totp code', async () => {
+    const { username, password } = generateNewUserProfile({ username: true, password: true });
+    const client = await initClient();
+
+    await client.send(putInteraction, {
+      event: InteractionEvent.Register,
+      profile: {
+        username,
+        password,
+      },
+    });
+
+    await client.send(initTotp);
+    await expectRejects(
+      client.send(putInteractionBindMfa, {
+        type: MfaFactor.TOTP,
+        code: '123456',
+      }),
+      {
+        code: 'session.mfa.invalid_totp_code',
+        statusCode: 400,
+      }
+    );
+  });
+
+  it('should register and setup TOTP successfully', async () => {
+    const { username, password } = generateNewUserProfile({ username: true, password: true });
+    const client = await initClient();
+
+    await client.send(putInteraction, {
+      event: InteractionEvent.Register,
+      profile: {
+        username,
+        password,
+      },
+    });
+
+    const { secret } = await client.send(initTotp);
+    const code = authenticator.generate(secret);
+
+    await client.send(putInteractionBindMfa, {
+      type: MfaFactor.TOTP,
+      code,
+    });
+
+    const { redirectTo } = await client.submitInteraction();
+
+    const id = await processSession(client, redirectTo);
+    await logoutClient(client);
+    await deleteUser(id);
+  });
+});
+
+describe('sign in and fulfill mfa (mandatory TOTP)', () => {
+  beforeAll(async () => {
+    await enableAllPasswordSignInMethods({
+      identifiers: [SignInIdentifier.Username],
+      password: true,
+      verify: false,
+    });
+    await enableMandatoryMfaWithTotp();
+  });
+
+  it('should fail with missing_mfa error for normal sign in', async () => {
+    const { userProfile, user } = await generateNewUser({ username: true, password: true });
+    const client = await initClient();
+
+    await client.successSend(putInteraction, {
+      event: InteractionEvent.SignIn,
+      identifier: {
+        username: userProfile.username,
+        password: userProfile.password,
+      },
+    });
+
+    await expectRejects(client.submitInteraction(), {
+      code: 'user.missing_mfa',
+      statusCode: 422,
+    });
+
+    await deleteUser(user.id);
+  });
+
+  it('should sign in and fulfill totp', async () => {
+    const { userProfile, user } = await generateNewUser({ username: true, password: true });
+    const client = await initClient();
+
+    await client.successSend(putInteraction, {
+      event: InteractionEvent.SignIn,
+      identifier: {
+        username: userProfile.username,
+        password: userProfile.password,
+      },
+    });
+
+    const { secret } = await client.send(initTotp);
+    const code = authenticator.generate(secret);
+
+    await client.send(putInteractionBindMfa, {
+      type: MfaFactor.TOTP,
+      code,
+    });
+
+    const { redirectTo } = await client.submitInteraction();
+
+    await processSession(client, redirectTo);
+    await logoutClient(client);
+    await deleteUser(user.id);
+  });
+});
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 89b3db83c..1cd3a2e97 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -3679,6 +3679,10 @@ importers:
         version: 3.20.2
 
   packages/integration-tests:
+    dependencies:
+      otplib:
+        specifier: ^12.0.1
+        version: 12.0.1
     devDependencies:
       '@jest/test-sequencer':
         specifier: ^29.5.0