I am not familiar with assist payment gateway because I am using merchantinc.com which is secure and merchant friendly payment gateway which most of the people wants. It provides the best rates in the industry for credit card processing and it provides advanced fraud detection suit you can...
Sometimes this kind of minimal problems creates with any payment gateway. Paypal is the best one gateway for online payment and accepted widely by many people. There are other gateways also provides the services of online payment like merchantinc.com which I am using, it is also one of the...