Below are step by step setup instructions for setting up your authorize.net and or PayPal accounts to work with the ACart - PHP shopping cart solution that you chose.
Authorize.net - AIM - Method
To setup the AIM method at Authorize.net you must first login into your Authorize.net
Admin Panel and Select under ACCOUNT,
Setting from the menu on the left, Next select under
Transaction Response Settings, select Transaction Version and set to version 3.1
Next under Transaction Response Settings;
Select Direct Response and set Delimited Response to Yes and
Select Default Field Separator to | (pipe) and return to setting menu.
Then return to the settings menu:
Then we recommend you set Card Code Verification to reject if it does not match and set
Address Verification Service to your requirements!
Next under Security Settings, Get and Copy your Merchant API - ID number and Transaction Key;
You will need your Merchant API - ID and your and a copy of your Transaction Key to put
into ACarts config.php file.
Authorize.net - SIM - Method:
To setup the AIM method at Authorize.net you must first login into your Authorize.net
Admin Panel and select under ACCOUNT, Setting from the menu on the left, Next select under
Transaction Response Settings, select Transaction Version and set to version 3.1
Next under Transaction Response Settings;
Select Relay Response and insert into the Default Relay Response URL, your
return url i.e. something like this: http://www.yourdomain/ac/sim_return.php
Then return to the settings menu:
Then we recommend you set Card Code Verification to reject if it does not match and set
Address Verification Service to your requirements!
Next under Security Settings,
Get and Copy your Merchant API - ID number and Transaction Key;
You will need your Merchant API - ID and your and a copy of your Transaction Key to put
into ACarts config.php file.
PayPal - IPN - Method
To Set Up PayPal IPN payments, log into your paypal account then Select from the My Account menu, Profile.
Then under the Selling Preferences Menu,
select Instant Payment Notification Preferences,
Click Edit to turn it on and put your return URL
i.e. http://www.yourdomain.com/ac/pprocess.php, and save.
The return to Selling Preferences Menu, and Select Website Payment Preferences,
then under Auto Return for Website Payments set Auto Return to off.
Everything else should be set to off except maybe PayPal Account Optional, either on or off.
Save and you are done at PayPal. Then in the ACart config.php file turn on PayPal and put in your
buisness id, etc.