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This page describes the CALLBACK function call to the Procard.Pay dispatch system |
The CALLBACK call is used to send the Procard.Pay dispatch system notification of the payment status.
The data is sent to the URL specified in the payment parameters of the Purchase / Hold / Verify / PurchaseOnMerchant operations in the callback_url field.
The data is sent to the merchant's server in JSON format with the following parameters:
Parameter | Description | Value |
|---|---|---|
operation | Type of transaction | CallBack |
merchant_id | Merchant ID | |
orderReference | Operation ID in the merchant system | |
amount | Transaction amount | |
currency | Transaction currency | |
phone | Client's phone number (If phone input is enabled on the payment page) | |
createdDate | Payment date in YYYY-MM-DD HH:II:SS format | Example: 2018-12-14 12:01:26 |
cardPan | Masked PAN cards. | Example: 535277******0298 |
cardType | Card type | Visa |
fee | Operation fee | |
transactionId | Transaction ID on the PC side | |
type | Type of transaction | |
recToken | Token for recurrent payment | |
transactionStatus | Operation status | APPROVED – Successfully, |
reason | Text reason for rejection | |
reasonCode | Failed error code | |
merchantSignature | In order to confirm the validity of the data, a verification signature must be generated and transmitted in the |
HMAC_MD5 request using the merchant's private_key. | |
A string subject to |
HMAC_MD5 is generated by concatenating merchant_id, orderReference, amount,currency parameters separated by “;” (semicolon) in UTF-8 encoding. | ||
The order of the parameters when concatenating is important! |
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