How to implement HSBC Payment Gateway in PHP
1. Storefront Id - Exactly 13 char string
2. HSBC Hash files - Executable files by HSBC
3. CPI hash key - Exactly 32 char string
These are all details provided by the bank.
1. Even in Test mode, HSBC CPI require the real creditcard.
2. In Testmode value should not be greater than 1 pound.
3. The billing address and card holders address should be same.
I would like to thank my msn buddy.