# PUT /mfn/v0/shipments/{}/cancel stops working

Calls to PUT /mfn/v0/shipments/{id}/cancel on Amazon Selling Partner API stopped working on March 27, 2024.

On March 27, 2024, the PUT /mfn/v0/shipments/{id}/cancel endpoint stopped working. Calls targeting this path now fail. The removal was previously announced on September 20, 2023.

## What to use instead

Use DELETE /mfn/v0/shipments/{shipmentId} (cancelShipment) instead.

- API: Amazon Selling Partner API (sellingpartnerapi-na.amazon.com)
- Kind: Endpoint removal
- Announced: September 20, 2023
- Takes effect: March 27, 2024
- Calls after that day: fail
- Calls it hits: `PUT /mfn/v0/shipments/{id}/cancel`
- Source: [Announcement](https://developer-docs.amazon.com/sp-api/docs/sp-api-deprecations)
- Verified: November 6, 2026, against Amazon Selling Partner API's own pages
- Page: https://www.okapi.bot/providers/amazon-selling-partner-api-north-america/breaking-changes/put-mfn-v0-shipments-cancel-stops-working/

## Amazon Selling Partner API's words

> Merchant Fulfillment v0 cancelShipmentOld getAdditionalSellerInputsOld getEligibleShipmentServicesOld September 20, 2023 March 27, 2024

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent