Shopify Dev
orderCreate line items support custom IDs (opens in a new tab)
Adds variantIdentifier field to orderCreate line items in GraphQL Admin API 2027-01, enabling custom IDs.
Shopify Dev· Nov 6, 2026· 9/10
From the article
The variantIdentifier field on orderCreate line items is now available in GraphQL Admin API version 2027-01 and later. Previously, it was only available in the unstable version. You can use it to identify a product variant by its ID or by a custom ID, such as a listing ID from another system that you store in a metafield. This is an additive change to the 2027-01 release candidate, so no action is required. What changed In version 2027-01, OrderCreateLineItemInput includes the variantIdentifier…
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