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Two-Step Verification

Two-Step Verification is a feature that adds an extra layer of security to your account log-in. This feature can’t be disabled. When you try to access Your Account page in KDP, Two-step verification sends you a unique security code. This code is called a one-time password (OTP), and it's different than your account password. You can receive the OTP via text message, voice call, or authenticator app.


Contents




Enable two-step verification


  1. Go to the Login & security page of your Amazon customer account.
  2. Select Edit beside Two-Step Verification (2SV) Settings.
  3. Click Get Started.
  4. Follow the on-screen instructions.
Note:Two-step verification is not required to sign in to KDP. It's only required when you access Your Account page in KDP.


How to sign in with two-step verification


Screenshot showing how to complete two-step verification

To complete two-step verification:

  1. Sign in to your KDP account using your email address and password.
  2. Choose how you like to receive the one-time password (OTP). Note: If the last three digits of the number listed aren’t correct, select Two-step Verification Account Recovery.
  3. Based on the choice of delivery, you will receive a phone call or text message with a six digit unique code.
  4. Enter your unique code in and click Sign in.
  5. Once you’ve completed two-step verification, your account page will open.
Note: We recommend adding a backup method such as additional phone number or authenticator app to receive a OTP. The first time you complete two-step verification, we recommend that you choose to get the OTP via text message. If you choose voice call, you won't see the option for text messages next time (OTP through calls are not supported on Landlines). Learn how to change from calls to texts.


Add or edit your phone number for two-step verification


If you choose to get the OTP via text message or voice call, we'll use the phone number from the Amazon customer account you used to set up your KDP account. This may be different than the phone number you added to your KDP account. If you haven't added a phone number to your Amazon customer account, you'll be prompted to provide one.
During two-step verification, we'll show the last 3 digits of your phone number. To see the full phone number or change it:

  1. Go to your Amazon customer account.
  2. Under Account & Lists, click Your Account.
  3. Choose Login & Security.
  4. Click Edit next to ,b>Two-Step Verification (2SV) Settings.
  5. In the Enrolled 2SV Authenticators section, you can:
    • Check which phone number or numbers are used for two-step verification
    • Update a phone number by clicking Change
    • Remove a phone number by clicking Remove
    • Add a phone number by clicking Add new phone or Authenticator App. You can add up to 2 phone numbers. Learn how to add an authenticator app.
    Important: The Get Started button on the Two-Step Verification (2SV) Settings page lets you enable two-step verification for your Amazon customer account. You don't need to enable this if you just want to update your phone number.


    I want to disable two-step verification from my KDP account


    To protect your account information, the two-step verification can’t be disabled to access the Your Account page in KDP. If you're prompted to enter an OTP when you sign in, it's likely because you've enabled two-step verification for your Amazon customer account. To disable this feature on your Amazon customer account, see What is Two-Step Verification?

    Important: Even if you disable two-step verification for your Amazon customer account, you'll still need to complete two-step verification when you access the Your Account page in KDP.


    I can't access the phone number?


    If you can't access or recognize the registered phone number we're using for two-step verification, follow the steps for account recovery.


    I don't have a cell signal or can't get calls or texts?


    If you can't receive the OTP via text message or voice call, download an authenticator app on your smartphone or mobile device (tablet, iPad). You can use the authenticator app to generate an OTP. Enter the OTP on the two-step verification page, the same way you would if you received it via text message or voice call.


    Authenticator App


    An authenticator app is a software application that generates an OTP, which you can use for two-step verification. An authenticator app is a good option if you don't want to provide your phone number or aren't able to get the OTP via text or call. You don't need a cell signal to use an authenticator app.


    How do I download an authenticator app or extension?


    You can download authenticator apps from the app store on your smartphone or mobile device (tablet, iPad). On desktop computers, you can download an authenticator as a browser extension (add-on).

    There are many third-party authenticator apps and extensions for you to choose from. These apps don't have access to your Amazon account information. Search for an authenticator:
    • Smartphones or mobile devices. Go to the app store and search for "authenticator app". Search results will show third-party apps such as Google Authenticator and Microsoft Authenticator. You can use any app you want.
    • Desktop computers. Use a search engine to find an authenticator extension (add-on) that works with your browser. For example, if you use Firefox, go to Firefox ADD-ONS, or if you use Chrome, go the Chrome Webstore, and search for "authenticator" in the search box. Choose an add-on from the available options and click “Add to Firefox” or “Add to Chrome” depending on your browser.

    How do I add an authenticator app or extension to my Amazon account?


    To use an authenticator app for two-step verification, follow these steps after you have downloaded an app or extension of your choice:

    1. Go to your Amazon customer account on Amazon.com.
    2. Under Account & Lists, click Your Account.
    3. Choose Login & Security.
    4. Click Edit next to Two-Step Verification (2SV) Settings.
    5. If this is your first time adding an authentication preference, click Get Started. If you've previously added an authentication method, in the Enrolled 2SV Authenticators section, click Add new phone or Authenticator App.
    6. Choose Authenticator App and follow the instructions that appear.
    Important: The Get Started button on the Two-Step Verification (2SV) Settings page lets you enable two-step verification for your Amazon customer account. You don't need to enable this if you just want to update your phone number.


    Troubleshoot OTP Issues


    What if I don't receive an OTP?


    If you don't receive an OTP, try these steps:

    • Make sure you have a good cell or WiFi signal.
    • Check that you've provided us with the correct phone number.
    • Click Didn't receive the OTP? and get a new OTP via a different phone number or method.
    • Ask your mobile service provider if there are restrictions that prevent you from receiving codes.
    • Try an authenticator app like Google Authenticator and Microsoft Authenticator.

    What if I get an error that says the OTP isn't valid?


    If you get an error message that says the OTP is not valid, try these steps:

    • Check that the OTP you entered matches the OTP we sent you.
    • Try to enter the OTP again. If you're using an authenticator app, wait for the OTP to expire. When a new OTP generates, enter the new OTP.
    • Click Didn't receive the OTP? and get a new OTP via a different phone number or method.
    • After you receive the OTP, make sure to enter it within 10 minutes.
    • If you receive multiple OTPs, make sure to enter the newest one.

    What if I get an error that says you can't call me?


    If you get an error message that says we're unable to deliver the OTP over a phone call, it may be because you tried to complete two-step verification repeatedly. Please wait 10 minutes and try again. In some cases, you may need to wait 12 hours to try again. You can also try an authenticator app.


    How do I change from calls to texts?


    If you choose to get the OTP via voice call the first time you complete two-step verification, you won't see the option for text messages next time. To change from voice calls to text messages, follow these steps:

    1. Go to your Amazon customer account on Amazon.com
    2. Under Account & Lists, click Your Account
    3. Choose Login & Security
    4. Click Edit next to Two-Step Verification (2SV) Settings
    5. In the Enrolled 2SV Authenticators section, click Add new phone or Authenticator App
    6. Complete two-step verification by receiving an OTP via voice call
    7. Enter the OTP you received and the Add backup method page will open
    8. Choose Text message and enter your phone number. This can be the same number you used for voice calls, or a different number.
    9. Click Send OTP to get a code via text message
    10. Enter the OTP you received and click Verify OTP and continue
    You should now be able to choose text messages or voice calls for two-step verification.



    If you still need help, please contact us. If you need help with settings in your Amazon customer account, contact Amazon Customer Service.


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