---
title: "Upload Refund Documentation"
method: POST
path: "/v1/payment/upload-refund"
tags: ["Payment"]
---

# Upload Refund Documentation

`POST /v1/payment/upload-refund`

Uploads a file related to a payment refund. The file could be documentation or other relevant data associated with the refund.

## Request body

- PaymentUploadFileRequestLynxModel
  - `FileName` string, nullable — The name of the file being uploaded.
  - `FileData` string, byte, nullable — The base64-encoded content of the file being uploaded.
  - `TransactionId` integer — The unique identifier of the transaction associated with the file.
  - `SiteId` integer — The unique identifier of the site where the transaction occurred.
  - `MachineAuTime` string, date-time — The machine's authorization time associated with the transaction.

## Response `200`

The file was successfully uploaded, and the response contains the URL to access the uploaded file.

- UploadFileLynxModelResponse
  - `FileURL` string, nullable — The URL where the uploaded file can be accessed.

---

[API](https://skmtc.net/nayax/apis/nayax-cortina-api.md) · [All operations](https://skmtc.net/nayax/apis/nayax-cortina-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/nayax/nayax-cortina-api/revisions/421f6f83c257/schema)