---
title: "Refund"
method: POST
path: "/api/v1/payment-gateway/s2s/refund"
tags: ["S2S"]
---

# Refund

`POST /api/v1/payment-gateway/s2s/refund`

## Request

- Base URL: `https://app-api.edfapay.com/api/v1`
- URL: `https://app-api.edfapay.com/api/v1/api/v1/payment-gateway/s2s/refund`
- Auth: none required

## Headers

- `X-Business-Unit-Id` string
- `X-Username` string
- `X-API-KEY` string

## Request body

- object

## Response `default`

default

## Other responses

- `400`: Bad Request

## Changes

- **2026-11-03** `5737f48653bf`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/edfapay/apis/revamp/changes/api/v1/payment-gateway/s2s/refund/post.md)

---

[API](https://skmtc.dev/edfapay/apis/revamp.md) - [All operations](https://skmtc.dev/edfapay/apis/revamp/llms.txt) - [OpenAPI document](https://skmtc.dev/edfapay/apis/revamp/revisions/5737f48653bf?raw)