Payment Plugin: Authorize.Net SIM Integration
Login into your merchant account and go to "Home -> ACCOUNT -> Settings" menu.
Installation steps:
Go to "Transaction Format Settings -> Transaction Submission Settings -> Payment Form" and then to "Form Fields" menu. At least uncheck all boxes near "Customer ID". You can also disable another fields to make signup a bit less painful for your customers.
Go to "Settings -> API Credentials & Keys" menu. Select New Signature Key (it is important that it is the same as configured in aMember).
Go to "Account -> Settings -> Transaction Format Settings -> Transaction Response Settings -> Relay Response", paste in URL field this url: https://example.com/amember/payment/authorize-sim/thanks and click submit.
If you don't know API Login ID go to "Security Settings -> General Security Settings -> API Login ID and Transaction Key" menu. Find API Login ID (it is important that it is the same as configured in aMember).