I can not add Internet card

Head here:

If your payment method is declined in the App Store or iTunes Store - Apple Support

What does that have to do with the Internet?

Please read this, then try explaining your problem: Writing an effective Apple Support Communities question

Take a look at these articles:

Set up Apple Pay - Apple Support

Change or remove your Apple ID payment information - Apple Support

Hello.

What is an Internet card?

Then contact your bank and ask why they are declining the charge.