1: Sign up for a CardSave account to receive your merchant id and password.
2: Log into your CardSave account.
3: Make sure the hash method for your pre-share key is set to SHA1.
4: Enter applicable details in your Maian Cart admin area:
Catalogue > Payment Methods > CardSave
The callback url for all operations is:
http://www.example.com/checkout/cardsave.php
https://www.example.com/checkout/cardsave.php (SSL)
Where 'example.com' is your own domain.
CardSave has a nice easy to use test system so you can test the system before going live.
Sign up for an account:
https://mms.cardsaveonlinepayments.com/Pages/PublicPages/RegisterMerchant.aspx.
You can use the following test address/visa card to test the system (more are found in their docs depending on your settings)
Visa Card: 4976000000003436
Expiry: 12/15
CV2: 452
Address: 32 Edward Street, Camborne, Cornwall, TR14 8PA.