tl;dr -
82 users with tips set up to @sudoroom:
- 50 have a working credit card on file.
- 15 have a failing credit card on file.
- 17 have no credit card on file.
Error messages for the 15 users with "failing credit card on file":
- (10) This transaction was declined by the card issuer. Customer please call bank.
- (4) This card has been invalidated.
- (1) Invalid Account Number
"declined by card issuer" means the issuer thinks the transaction might be fraud (for any number of reasons).
// Matt