By JC1 author10 articles
Setting up Apple Pay & Google Pay for your Open Tender website or mobile app
Test credit cards for Open Tender demo site and app
How NMI credit card hashes work
How credit card payments work
How CVV and zip code verification works
Why do customers get an "incorrect zip code" error message on the checkout page?
How online payment processing differs from in-store payment processing
Why customers may see charges on their credit cards when orders don't go through
How to handle Chargebacks
Uncharged Orders [UPDATE POST REDESIGN]