Use the document Add a payment method to your Apple ID - Apple Support to review your payment methods such as credit or debit cards.
On a mobile device:
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.
If you do not have a payment method such as a credit or debit card already entered, enter one. Apple may require this even if you are downloading free apps.
If you need to contact Support, do this:
1. Click on this link --> Choose your country or region - Official Apple Support
2. Select your country
3. Select: Billing & Subscriptions
4. Select: Subscriptions & Purchases
5. Select: Update payment method
6. Select a chat session or a phone call.