| API Login ID provided by Authorize.net Transaction Key provided by Authorize.net MD5-Hash you will need to login to your Authorize.net account and enter your personal MD5 hash word. For your reference, you can use the following test credit card numbers when testing your connection. The expiration date must be set to the present date or later: - American Express Test Card: 370000000000002 - Discover Test Card: 6011000000000012 - Visa Test Card: 4007000000027 - Second Visa Test Card: 4012888818888 - JCB: 3088000000000017 - Diners Club/ Carte Blanche: 38000000000006 |