Prepaid bank cards

Unfortunately, I don’t know of any reloadable cards that work in Apple Wallet. Here are links to several Apple support articles that list banks in US that support Apple Pay,

Apple Pay participating banks in Canada, Latin America, and the United States - Apple Support

Countries and regions that support Apple Pay - Apple Support

Here is a list that says these cards are supported,

If you don't want to mess with bank accounts, consider these nine prepaid cards that are compatible with the Apple Pay mobile wallet.

• Brinks Prepaid Mastercard. ... 
• PayPal Prepaid Mastercard® ... 
• NetSpend® Visa® Prepaid Card. ... 
• Playcard Prepaid Mastercard. ... 
• NetSpend® Visa® Prepaid Card. ... 
• Serve® American Express® Prepaid Debit Account
• Greenlight – Debit Card For Kids
• FamZoo Prepaid Mastercard
• Serve® American Express® Prepaid Debit Account

https://www.cardrates.com/advice/prepaid-cards-that-work-with-apple-pay/#cards

I have no experience with any of these cards. Do your due diligence and explore these cards. Beware of fake reviews and following any links in the article linked to above.

You’re welcome, I hope you can find a card that fits your needs and works with Apple Wallet/Apple Pay.