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Nubint

How to Register and Manage Payment Methods

Last updated: 2026-06-05·2 min read
Register a credit or debit card during your first subscription to activate Pro or Max, with automatic billing each cycle. You can switch to a new card anytime from the Subscription tab in Settings using the Change Card button, without affecting your active subscription.

How Do You Register a Payment Method?

Your card is registered automatically when you enter your card information on the payment page during your first paid subscription.

  1. Click the profile icon in the top right and select Settings.
  2. Navigate to the Subscription tab on the Settings page.
  3. Click Change Plan to select a paid plan.
  4. Enter your card number, expiration date, and CVC on the payment page and complete checkout — your card is registered automatically.

How Do You Change Your Payment Method?

From the Subscription tab in Settings, click the Change Card button in the payment method section to replace your card.

  1. Click the profile icon in the top right and select Settings.
  2. Navigate to the Subscription tab on the Settings page.
  3. Click Change Card in the payment method section.
  4. Enter the new card details and save.

The new card replaces the old one immediately, and the next billing cycle is automatically charged to the new card.

How Do PayPal Users Change Their Payment Method?

For international users, the payment method is registered as a PayPal account. Clicking the Change Card button opens the PayPal authorization screen, and reconnecting with a new PayPal account completes the change.

What If Your Card Is About to Expire?

Change to a new card before the old one expires to avoid any interruption in billing. You can swap cards anytime from the Subscription tab using the Change Card button, and your current subscription stays active throughout.