Client registration
Before you get an account to access Payment Platform, you must provide the following data to the Payment Platform administrator.
| IP list | List of your IP addresses, from which requests to Payment Platform will be sent. |
| Callback URL | URL which will be receiving the notifications of the processing results of your request to Payment Platform. |
| Contact email | Client’s contact email |
Note: Callback URL is mandatory if you work in asynchronous mode, or if your account supports 3D-Secure. The length of Callback URL shouldn’t be more than 255 symbols.
With all Payment Platform POST requests at Callback URL the Client must return the string “OK” if he successfully received data or return “ERROR”.
You should get the following information from administrator to begin working with the Payment Platform.
| CLIENT_KEY | Unique key to identify the account in Payment Platform (used as request parameter) |
| CLIENT_PASS | Password for Client authentication in Payment Platform (used for calculating hash parameter) |
| PAYMENT_URL | URL to request the Payment Platform |
