# Perform a payment refund

**POST /merchant/{merchantId}/payment/{paymentId}/refund**




## Servers
- Production server.: https://api.axepta.pl/v1 (Production server.)
- Sandbox - test server.: https://api.sandbox.axepta.pl/v1 (Sandbox - test server.)


## Authentication methods
- Authorization token


## Parameters

### Path parameters

- **merchantId** (string)
  Client identifier

- **paymentId** (string(uuid))
  Transaction identifier as `UUID v4`



### Body: application/json (object)

- **type** (string)
  Action type

- **serviceId** (string(uuid))
  Store identifier as `UUID v4`

- **amount** (integer)
  Transaction amount in the smallest currency unit, e.g. **grosz**



## Responses

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