Fiat IPN Deposit Callback. URL according to the related shop (Callback URL)

{
  "nonce": "string",
  "signature": "string",
  "int_event_id": "string",
  "int_request_id": "string",
  "int_transaction_id": "string",
  "payment_transaction_id": "string",
  "merchant_reference_id": "string",
  "type": "string",
  "ref_customer_id": "string",
  "int_customer_id": "integer",
  "amount": "number",
  "currency": "string",
  "exchanged_amount": "string",
  "exchanged_currency": "string",
  "status": "string",
  "shop_id": "integer",
  "callback_created_at": "string",
  "created_at": "string"
}

Fiat Deposit IPN Body

nonce*
This is a unique Identifier for signature

signature*
The HMAC signature used for callback authentication. To verify that the callback was sent by us, Merchant should generated an HMAC signature using SHA-256 as following:
key: nonce, username,password
message: merchant_reference_id,int_transaction_id
'signature': 'd9d2c15e62aa988b2d1355a07b236a046d270e462db33615f127b0bf7c67cd97'

int_event_id*
This is webhook id. Example: 'int_event_id': '10'

int_request_id*
This is the merchant request id for the request sent to our system. Example: 'int_request_id': '550e8400-e29b-41d4-a716-446655440000'

int_transaction_id*
This is the system order id. Example: 'int_transaction_id': '1000'

payment_transaction_id*
This is the payment method transaction id. Example: 'payment_transaction_id': 'cbd23423a38f33'

merchant_reference_id
This is the merchant reference id provided at the beginning of the process. Example: 'merchant_reference_id': '102342300'

type*
This is the payment request type. Values: {fiat_deposit}

ref_customer_id*
This is the customer id/email provided once the customer proceeded with the payment

int_customer_id*
This is the internal customer id created in the system. Example: 'customer_id': '54QFSA02901'

amount*
This is the amount of the deposit. Example: 'amount': '0.00050000'

currency*
This is the currency of the deposit. Example: 'currency': 'PLN'

exchanged_amount
This is the exchanged_amount of the deposit

exchanged_currency
This is the exchanged currency of the deposit

status*
This is the callback status and it is according to the order status. Possible values are the following:
Processing - Fiat Deposit is requested to be paid
Completed - Fiat Deposit is paid
Declined - Fiat Deposit is Declined for payment
Declined - Invoice is Declined for payment
Cancelled - Fiat Deposit is Cancelled for payment
Failed - Fiat Deposit is failed to be paid due to an error
Expired - Fiat Deposit is expired due time out or other reasons

shop_id*
This is the internal shop id is related with this payment request, based on used credentials

callback_created_at*
This is the callback timestamp in the system. Example: 'callback_created_at' : '2018-11-16 13:10:59'

created_at*
This is the payment request created timestamp. Example: 'created_at' : '2018-11-16 13:10:59'