Payment Initialization

Endpoint: POST /api/repayment/init/{$customerKey}

Request body:

Field	Required	Type	Description
return_url	✅	string (url)	Redirect URL after payment
contract_id	If contract_name is not specified	int	ID of an open contract
contract_name	If contract_id is not specified	string	Number of an open contract
amount	✅	numeric	Amount to pay
cardToken	❌	string	Card token from /api/card/search method
pay_system	✅	string	Payment system name. Check with your manager
options	❌	object	Additional payment options

options.prolongation object

Field	Required	Type	Description
period	✅	int	Prolongation period in days
code	✅	string	Signing code from SMS
prolongationProcessId	❌	int	Prolongation process ID (Default: 1014334)
afterProlongationProcessId	❌	int	Process ID to execute after prolongation

Response:

{
  "status": "ok",
  "timestamp": "1646916652000",
  "data": {
    "url": "" // Payment form link
  }
}