diff --git a/src/core/auth.ts b/src/core/auth.ts
index 90211b86..29797644 100644
--- a/src/core/auth.ts
+++ b/src/core/auth.ts
@@ -12,6 +12,7 @@ import {
   BrowserStorage,
   BUILD_ENV,
   jsonToBase64,
+  LOGIN_PROVIDER,
   LoginParams,
   SocialMfaModParams,
   UX_MODE,
@@ -350,6 +351,59 @@ export class Auth {
       params: {
         ...defaultParams,
         ...params,
+        loginProvider: "authenticator",
+      },
+      sessionId: this.sessionId,
+    };
+
+    const result = await this.authHandler(`${this.baseUrl}/start`, dataObject);
+    if (this.options.uxMode === UX_MODE.REDIRECT) return undefined;
+    if (result.error) return false;
+    return true;
+  }
+
+  async addAuthenticatorFactor(params: Partial<BaseRedirectParams>): Promise<boolean> {
+    if (!this.sessionId) throw LoginError.userNotLoggedIn();
+
+    // in case of redirect mode, redirect url will be dapp specified
+    // in case of popup mode, redirect url will be sdk specified
+    const defaultParams: BaseRedirectParams = {
+      redirectUrl: this.options.redirectUrl,
+    };
+
+    const dataObject: AuthSessionConfig = {
+      actionType: AUTH_ACTIONS.ADD_AUTHENTICATOR_FACTOR,
+      options: this.options,
+      params: {
+        ...defaultParams,
+        ...params,
+        loginProvider: LOGIN_PROVIDER.AUTHENTICATOR,
+      },
+      sessionId: this.sessionId,
+    };
+
+    const result = await this.authHandler(`${this.baseUrl}/start`, dataObject);
+    if (this.options.uxMode === UX_MODE.REDIRECT) return undefined;
+    if (result.error) return false;
+    return true;
+  }
+
+  async addPasskeyFactor(params: Partial<BaseRedirectParams>): Promise<boolean> {
+    if (!this.sessionId) throw LoginError.userNotLoggedIn();
+
+    // in case of redirect mode, redirect url will be dapp specified
+    // in case of popup mode, redirect url will be sdk specified
+    const defaultParams: BaseRedirectParams = {
+      redirectUrl: this.options.redirectUrl,
+    };
+
+    const dataObject: AuthSessionConfig = {
+      actionType: AUTH_ACTIONS.ADD_PASSKEY_FACTOR,
+      options: this.options,
+      params: {
+        ...defaultParams,
+        ...params,
+        loginProvider: LOGIN_PROVIDER.PASSKEYS,
       },
       sessionId: this.sessionId,
     };
diff --git a/src/utils/constants.ts b/src/utils/constants.ts
index e477fc53..54799665 100644
--- a/src/utils/constants.ts
+++ b/src/utils/constants.ts
@@ -38,6 +38,8 @@ export const LOGIN_PROVIDER = {
   SMS_PASSWORDLESS: "sms_passwordless",
   WEBAUTHN: "webauthn",
   JWT: "jwt",
+  PASSKEYS: "passkeys",
+  AUTHENTICATOR: "authenticator",
 } as const;
 
 export const MFA_LEVELS = {
@@ -52,6 +54,8 @@ export const AUTH_ACTIONS = {
   ENABLE_MFA: "enable_mfa",
   MANAGE_MFA: "manage_mfa",
   MODIFY_SOCIAL_FACTOR: "modify_social_factor",
+  ADD_AUTHENTICATOR_FACTOR: "add_authenticator_factor",
+  ADD_PASSKEY_FACTOR: "add_passkey_factor",
 } as const;
 
 export const BUILD_ENV = {
diff --git a/src/utils/interfaces.ts b/src/utils/interfaces.ts
index 9546f00c..86da5b5d 100644
--- a/src/utils/interfaces.ts
+++ b/src/utils/interfaces.ts
@@ -234,6 +234,7 @@ export type SocialMfaModParams = {
    */
   extraLoginOptions?: ExtraLoginOptions;
 };
+
 export const LANGUAGES = {
   en: "en",
   ja: "ja",