Unable to connect card to Apple Wallet after multiple failed attempts

There are several possible reasons you might be experiencing issues. So let’s start with a few basic steps. I’ve added links to support articles that may offer solutions to issues you might encounter. 

Are you in a country or region that supports Apple Pay?

Countries and regions that support Apple Pay - Apple Support

Does your financial institution support Apple Pay?

Apple Pay participating banks in Asia/Pacific, Africa, Europe Latin America, Middle East and United States - Apple Support

Confirm your region is set correctly.

Change the language and region on iPhone - Apple Support

Change your Apple ID country or region

What’s the exact error message?

Do you have reliable connection to WiFi or cellular data service?

Do you use a VPN, security apps, antivirus apps or anything similar?

You have to be connected to the internet to add a card to Apple Wallet.

That’s not the error message. When you try to add your Chase card and it fails, what is the exact error message?

Apple sends the data to your bank (Chase) and they have to approve adding the card to an electronic wallet ( Apple Wallet for use with Apple Pay).