In order to refund user with money deducted from his balance through payment process over Centili platform you must use HTTP POST method on following URL with described parameters in application/json format.
Refund URL:
## POST refund request
## Parameters:
Parameter | Description | Example | Required |
**transactionid** | ID of the original transaction which you want to be refunded | 123456789 | **mandatory** |
**apikey** | Unique identifier under Centili system of your service | asfreeagahagatssayatayta45673jhshshs | **mandatory** |
**sign** | Signature parameter created using issued key for signing request. _NOTE: Please refer to the [signature key generation guide](🔗)._ | def0a0ba4f188cf174d383dc4d7f7041e358ba92 | optional |
## Possible server responses
Server HTTP response | Meaning |
**HTTP 202** | User has been successfully refunded. |
**HTTP 400 bad request** | Invalid request |
**HTTP 500** | Some unexpected internal server errors occurs. |