Starting with the 2025-04 API version, Shopify is updating the X-Shopify-API-Deprecated-Reason HTTP header to return actual GraphQL field names instead of a generic deprecation URL. Previously, this header would always point developers to https://shopify.dev/api/usage/versioning#deprecation-practices. Now it will display specific deprecated fields directly—for example: "Shop.products, Shop.productVariants"—making it immediately clear which parts of your query need attention.
This change significantly improves the developer experience by eliminating guesswork. Instead of receiving a generic link and having to manually search for deprecations, you'll now get precise field names that are deprecated in your API calls. This faster feedback loop helps you identify and fix deprecations more quickly, reducing the risk of your app breaking when deprecated fields are eventually removed.
For teams managing multiple Shopify integrations or complex GraphQL queries, this targeted approach saves considerable debugging time and makes API maintenance more straightforward.
When building Shopify apps that make authenticated API calls, proper token management is critical for tracking API usage and errors. GetShopifyToken simplifies OAuth token handling, ensuring your app correctly receives and processes all HTTP headers—including the updated deprecation notices—so you can stay informed about API changes without interruption.