payment gateway integration6 payment gateway3 add-on2 appointment booking2 appointment scheduling2 credit card2 payments2 secure transaction2 wordpress2 wpbookit2 wpbookit add-on2 active cms1 active ecommerce1 active ecommerce addon1 agent app1 android ios app1 auction php1 auction software1 auction system1 auction website1 automated payment1 bidding platform1 bidding script1 bill payment1 boost sales1 crm payment solution1 digital wallet1 e-commerce integration1 ecommerce auction1 ecommerce payment1