--- title: fulfillmentOrderMerge - GraphQL Admin description: |- Merges a set or multiple sets of fulfillment orders together into one based on line item inputs and quantities. api_version: 2026-01 api_name: admin type: mutation api_type: graphql source_url: html: https://shopify.dev/docs/api/admin-graphql/latest/mutations/fulfillmentordermerge md: https://shopify.dev/docs/api/admin-graphql/latest/mutations/fulfillmentordermerge.md --- # fulfillment​Order​Merge mutation Requires `write_merchant_managed_fulfillment_orders` access scope or `write_third_party_fulfillment_orders` access scope. Also: The user must have fulfill\_and\_ship\_orders permission. Merges a set or multiple sets of fulfillment orders together into one based on line item inputs and quantities. ## Arguments * fulfillmentOrderMergeInputs *** ## Fulfillment​Order​Merge​Payload returns * fulfillmentOrderMerges * userErrors *** ## Examples * ### fulfillmentOrderMerge reference