FAQ: Two-Factor Authentication (2FA)

Two-factor authentication (2FA) adds an extra layer of security to your Merchant panel login by requiring both your password and a code from an authenticator app. The following answers cover common issues such as invalid codes, missing QR codes, device changes, and supported apps. Learn how to set up 2FA correctly, troubleshoot problems, and keep your account secure.

Invalid session message on login page
If the login page remains open for more than 15 minutes, you will see an Invalid session message. Refresh the page and try again.
Choosing an authenticator app

Recommended free apps for two-factor authentication (2FA) in the Merchant panel are: Google Authenticator, Microsoft Authenticator, or FreeOTP.

Note: Some apps may charge a fee. Always check before downloading.

Google Authenticator Microsoft Authenticator FreeOTP
Use Microsoft Authenticator without Microsoft account

Open the app and select Scan a QR code. If needed, follow instructions to enable two-factor authentication (2FA)

Screenshot 2025-02-05 at 16.05.38.png

Use Google Authenticator without Google account

Select Use Authenticator without an account. If needed, follow instructions to enable two-factor authentication (2FA)

Screenshot 2025-02-05 at 16.12.24.png

Other authentication methods
Only authenticator apps are supported for 2FA in the Merchant panel. Bank credentials and SMS verification are not supported.
QR code not showing
If 2FA is already enabled, the QR code will not appear on the login page. To restore it, reset your 2FA

Tip: If you already have an authenticator app, just use the code from the app to log in.
Multiple users sharing one account

For security reasons, sharing a single Merchant panel account is not recommended. Each user should have their own login, which allows assigning roles and access rights. See instructions on creating users.

If this is not possible, all users must enable 2FA using the same QR code. The same QR code can be scanned on multiple devices for the same account.

Reset two-factor authentication (2FA)

Resetting 2FA restores setup and allows you to rescan the QR code. This is necessary if your authentication device is lost or unavailable. See instructions to reset two-factor authentication.

If no one in your company has the Manage users role, please contact our support team at support@paytrail.com or call +358 20 718 1820 (Mon–Fri 8–22, weekends 10–18).

Error scanning QR code

If your app can't scan the QR code, try zooming in. Ensure you use the authenticator app, not your phone camera.

Each authenticator app provider offers support guides where you can find help:

Invalid code error on user activation page

Ensure you scanned the QR code from the Merchant panel Username activation page using your authenticator app. Enter the six-digit code shown in the app into the Code field on the login page.

Note: Do not use the long code displayed on the Merchant panel page.
2FA QR code number wrong.png

If you still receive an error, try these options:

Wait Reinstall Try another app Check phone settings

Wait for a new code

The authenticator app refreshes the code every 30 seconds. If the code is not entered on the Merchant panel user activation page in that time frame, the authenticator app refreshes and displays a new code. Enter the code before it expires.

Device changed or unavailable

If the device you use for 2FA has changed or is unavailable, follow our reset 2FA instructions.

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