# Transaction rejection

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

Rejection of a paid transaction i [transaction pre-authorisation](https://bump.sh/pgw/doc/imoje-api-en#topic-transaction-pre-authorisation).



## 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`



## Responses

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