# Cancel PreAuth payment

**POST /transactions/{transactionId}/cancel**

PreAuth payments can be canceled in case the token was not used already. In addition to the transaction, the payment token will be revoked as well.
<br><br>
* Canceling the transaction and or the token is only permitted if the transaction is still open, otherwise a `403 Forbidden` will be returned.
* In case the transaction and token are already canceled and the request is repeated, the result will still be `204 No Content`.



## Servers
- Production server (stable release 2024-2): https://api.pace.cloud/pay/2024-2 (Production server (stable release 2024-2))


## Authentication methods
- OAuth2
- Oidc


## Parameters

#### Path parameters
- **transactionId** (string)
  transaction ID.



## Responses
### 204: Canceled

### 400: Bad request

#### Body Parameters: application/vnd.api+json (object)
- **errors** (array[object])
  

### 401: OAuth token missing or invalid or a linked identity is missing.

Linked identity missing is a special case where you need to make sure that
the user has additionally logged in / authorized with a third-party.

This is not relevant for most use-cases.

The specific error code that identifies a missing linked identity is `missing-linked-identity`

Example:

```
  {
      "errors": [
          {
              "id": "cbgmhslmp1o9or9kh1p0",
              "title": "Missing linked identity for authorized access",
              "detail": "Linked identity is needed to access this resource, please check why the user does not have a linked identity",
              "status": "401",
              "code": "missing-linked-identity"
          }
      ]
  }
```


#### Body Parameters: application/vnd.api+json (object)
- **errors** (array[object])
  

### 403: Forbidden

#### Body Parameters: application/vnd.api+json (object)
- **errors** (array[object])
  

### 404: Resource not found

#### Body Parameters: application/vnd.api+json (object)
- **errors** (array[object])
  

### 406: The specified accept header is invalid

#### Body Parameters: application/vnd.api+json (object)
- **errors** (array[object])
  

### 415: The specified content type header is invalid

#### Body Parameters: application/vnd.api+json (object)
- **errors** (array[object])
  

### 422: The request was well-formed but was unable to be followed due to semantic errors.

#### Body Parameters: application/vnd.api+json (object)
- **errors** (array[object])
  

### 500: Internal server error

#### Body Parameters: application/vnd.api+json (object)
- **errors** (array[object])
  

### 502: Error occurred while communicating with upstream services

#### Body Parameters: application/vnd.api+json (object)
- **errors** (array[object])
  


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