As you have asked about the apple pay application for Bank of America, I am giving you information about it, check below for the details

It’s easy to add your Bank of America credit and debit cards to Apple Pay to conveniently make purchases using your iPhone and Apple Watch.

With Apple Pay, you can easily make purchases at participating merchants with virtual cards on your iPhone and Apple Watch.
While Apple Pay offers an exciting way to make purchases on the go, you still get all the rewards, benefits and protections your card may provide.

Simple
1. Add
Your eligible Bank of America credit and debit cards to Wallet on your iPhone

2. Pay
By holding your iPhone or Apple Watch near the reader at participating merchants.

3. Manage
Your virtual cards layer and control access in Apple Pay; review card activity in Online or Mobile Banking.

Your credit and debit card information in Apple Pay is stored with enhanced security.Footnote2 And, if your iPhone is ever lost or stolen, you can use Apple’s Find My iPhone to quickly put your device in Lost Mode to lock or erase the device.

Plus, all Bank of America consumer credit and debit cards and small business debit cards are protected by its $0 Liability Guarantee Footnote3 and fraud monitoring.