Cancel a shipment

<aside class="access" aria-label="Endpoint access"> <table class="access__table"> <thead> <tr> <th class="access__table-header">Products</th> <th class="access__table-header">Plans</th> </tr> </thead> <tbody> <tr> <td class="access__table-cell access__product"> <img class="access__logo" src="/static/logos/shipstation-api-logo.svg" alt="ShipStation API Logo" loading="lazy" decoding="async"/> <div class="access__sub">Formerly ShipEngine</div> </td> <td class="access__table-cell access__plans"> <a href="/apis/@shipstation-v2/docs/getting-started/plans/shipstation-api-free.md" class="access__plan">Free</a> <a href="/apis/@shipstation-v2/docs/getting-started/plans/shipstation-api-advanced-enterprise.md" class="access__plan">Advanced</a> <a href="/apis/@shipstation-v2/docs/getting-started/plans/shipstation-api-advanced-enterprise.md" class="access__plan">Enterprise</a> </td> </tr> <tr> <td class="access__table-cell"> <img class="access__logo" src="/static/logos/shipstation-logo.svg" alt="ShipStation Logo" loading="lazy" decoding="async"/> </td> <td class="access__table-cell access__plans"> <a href="/apis/@shipstation-v2/docs/getting-started/plans/shipstation-free-starter.md" class="access__plan access__plan--off">Free</a> <a href="/apis/@shipstation-v2/docs/getting-started/plans/shipstation-free-starter.md" class="access__plan access__plan--off">Starter</a> <a href="/apis/@shipstation-v2/docs/getting-started/plans/shipstation-standard-premium.md" class="access__plan">Standard</a> <a href="/apis/@shipstation-v2/docs/getting-started/plans/shipstation-standard-premium.md" class="access__plan">Premium</a> </td> </tr> </tbody> </table> <footer class="access__footer"> <a class="access__help" href="/apis/@shipstation-v2/docs/getting-started/products-and-plans.md"> Learn about products and plans <img src="/static/icons/external-link.svg" alt="External Link Icon" style="width: 16px;" loading="lazy" decoding="async"/> </a> </footer> </aside>

Mark a shipment cancelled, if it is no longer needed or being used by your organized. Any label associated with the shipment needs to be voided first An example use case would be if a batch label creation job is going to run at a set time and only queries pending shipments. Marking a shipment as cancelled would remove it from this process