Guardian Payment Systems API

Guardian is a provider of payment processing solutions used to improve routing, connectivity and integration; reduce transactional and operational costs; increase security; and improve payment information management.

Guardian's Payment Director is for users that have a current payment platform but have payment processing needs such as executive-level summary reports and trend analysis and tokenization of credit card numbers and ACH information. A suite of APIs is available including real-time credit card authorization, charge and refund; batch credit card authorization and charges; ACH and remote deposit capture check and ACH and credit card account tokenization. The APIs use SOAP protocol and responses are formatted in XML.