# Void shipment label

Voids the specified label by shipmentId

Endpoint: POST /shipments/voidlabel
Version: 1.0.0
Security: basicAuth

## Request fields (application/json):

  - `shipmentId` (integer, required)
    ID of the shipment to void
    Example: 12345

## Response 200 fields (application/json):

  - `approved` (boolean)
    Example: true

  - `message` (string)
    Example: "Label voided successfully"

## Response 400 fields (application/json):

  - `message` (string)
    Example: "Invalid request parameters"

## Response 401 fields (application/json):

  - `message` (string)
    Example: "Invalid API credentials"

## Response 500 fields (application/json):

  - `message` (string)
    Example: "An internal error occurred"