# Creation of a refund

**POST /{merchantId}/transaction/{transactionId}/refund**

This request allows you to make a refund for a paid transaction.

When making multiple refund transactions simultaneously, please allow **at least a 5-second delay** between each transaction.

> For security reasons, refunds can be made:
> - for BLIK, up to a maximum of 12 months
> - for imoje pay later, up to a maximum of 12 months
> - for payment cards, up to 3 years



## Servers
- Production environment: https://api.imoje.pl/v1/merchant (Production environment)
- Test environment: https://sandbox.api.imoje.pl/v1/merchant (Test environment)


## Authentication methods
- Authorization token


## Parameters

### Path parameters
- **merchantId** (string)
  Merchant identifier
- **transactionId** (string(uuid))
  Transaction identifier as `UUID v4`


### Body: application/json (object)

- **type** (string)
  Transaction type
- **serviceId** (string(uuid))
  Shop identifier as `UUID v4`
- **amount** (integer)
  The transaction amount in the smallest currency unit, e.g. **pennies**.
- **title** (string)
  Transaction title
- **sendRefundConfirmationEmail** (boolean)
  Send an e-mail confirming the refund to the payer. The e-mail is sent after the refund has been successfully processed (status `settled`) to the e-mail address provided when placing the order.


## Responses
### 200
Request executed correctly


#### Body: application/json (object)
- **transaction** (object)


### 422
The payload does not contain the required parameters, contains unacceptable parameters, or the values sent in them do not meet the requirements.


#### Body: application/json (object)
- **apiErrorResponse** (object)
  Error details 


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