OpenGateway is a downloadable PHP application that makes online billing via one (or more) of our integrated payment gateways really easy. Integrates with Authorize.net, PayPal, E-xact, and SagePay. It features an easy-to-use XML API that integrates your applications/web site with the billing engine as well as: * An control panel to manage payments, your settings, automatic emails, customer records, gateways, etc. * Send out automatic customized emails to yourself, the customer, or other email addresses for any number of actions including new subscriptions, payments, recurring payments, cancellations, expirations, etc.
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