how do i verify my payment information

Hi imari1,

We appreciate you reaching out to us.

We’d like to gather additional details that may help us be in a better position to assist you.

1. Did you recently move to a different country or region?
2. Are you using a VPN on your device or network?

If you answer no to both, please make sure that you add a valid payment method.

To add a valid payment method on your iPhone 13 Pro Max, Please follow the steps below.

1. "Open the Settings app.
2. Tap your name.
3. Tap Media & Purchases, then tap View Account. You might be asked to sign in with your Apple ID.
4. Tap Manage Payments.
5. Tap Add Payment Method.

 6. Enter the payment method details, then tap Done."

In case you have a Mac that is signed in to the same Apple ID, please try the steps below.

1. "Open the App Store.
2. Click your name. If your name doesn't appear, click the Sign In button, sign in with your Apple ID, then click your name.
3. Click Account Settings.
4. Next to Payment Information, click Manage Payments. (If you're using an older version of macOS, click Edit next to Payment Type.)
5. Click Add Payment.
6. Enter the payment method details, then click Done."

You can also add a payment method by signing in to our Apple ID page: appleid.apple.com.

You can use the article below as a reference.

Add a payment method to your Apple ID - Apple Support

If you need further assistance, we recommend that you team up with our Billing experts. 

Our Billing experts are in a better position to handle billing-related issues. 

You can use this link to reach out to them: Get Support

Take care!