# Cancel an order

**POST /api/external/hub/v1/orders/cancel_order**

Request cancellation of an order. Orders can only be cancelled before they are shipped.


## Servers
- Public API: https://api.useshelf.com (Public API)



## Parameters


### Query parameters
- **connect_identifier** (string)
  Connect identifier for the seller account
- **market_order_id** (string)
  Marketplace order ID to cancel


## Responses
### 422
Missing or invalid parameters

#### Body: application/json (object)
- **errors** (array[string])


### 200
Order cancellation processed

#### Body: application/json (object)
- **market_order_id** (string)
  Cancelled order ID
- **success** (boolean)
  Whether cancellation was successful
- **message** (string)
  Cancellation result message


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