1. Enable and configure plugin in aMember Control Panel 2. You NEED to use external cron with this plugins (See Setup/Configuration -> Advanced) 3. Enable test mode and try it: TEST CARD NUMBER | CARD TYPE --------------------------------------- 370000000000002 American Express 6011000000000012 Discover 5424000000000015 MasterCard 4007000000027 Visa ----------------------------------------------------------------------------- Q.: I receive the following message from Auhtorize.Net during transaction: "(92) The gateway no longer supports the requested method of integration." A.: The reason why you are getting this error is because within your account you have relay URL specified under your response receipt settings. What you will need to do is delete the relay URL specified under these settings. Thank you for contacting our customer service group. Please let us know if there is anything we can do to help you in the future.