Developer changelog
Subscribe to the changelog to stay up to date on recent changes to Shopify’s APIs and other developer products, as well as preview upcoming features and beta releases.
New Create Fulfillment Request Validation
API
Effective April 01, 2024
Action required
As of Admin version 2024-04 , there cannot be multiple of the same fulfillment_order_id within the line_items_by_fulfillment_order param for the REST "Creates a fulfillment for one or many fulfillment orders" API and GraphQL fulfillmentCreateV2 mutation.
Please combine any payload with the same fulfillment_order_id into one group.