Payment Pages - SIM Compatibility

The Payment Pages protocol is compatible with the SIM protocol to ensure that leading shopping carts are supported. For example, these shopping carts have been tested: Zen Cart, OsCommerce and Comersus. More details can be found in the shopping cart integration guides in the knowledge base. The SIM protocol is described at:

To switch to Payment Pages in most cases only the form POST-URL needs to be changed. SIM is aimed primarily at credit card payments. However, Payment Pages allow Interac Online payments to be processed transparently.

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