# Void Label

Void a previously purchased shipping label by tracking number.

Endpoint: POST /api/shipments/void
Version: v1
Security: BearerAuth, ApiTokenAuth

## Request fields (application/json):

  - `tracking_code` (string, required)
    Tracking number of the shipment to void.
    Example: 9435811899562089111300

## Response 200 fields (application/json):

  - `tracking_code` (string)
    Tracking number of the voided shipment.

## Response 400 fields (application/json):

  - `message` (string)
    Human-readable error message.
    Example: Invalid request parameters.