Merchant API client account identifier.

Identifier of your application (website).

Unique customer id in your system.

Note: Personally Identifiable Information (PII), such as email addresses, is strictly forbidden. If your user identifier contains any PII, you must hash or encrypt it before sending it to the API.

HASH value of customer's card.

Note: This field must not be sent in any subsequent Merchant Initiated Transaction (MIT) requests.

Authentication HTTP header of your outgoing request to the API. Below request parameters should be used for creating signature in request header.

• merchant_id
• application_key
• timestamp
• cid
• card_token