← All Shopify Updates

Shopify Deprecates ProductVariant.taxCode Field in 2026

What Changed

Shopify is deprecating the taxCode field from the ProductVariant object in Admin GraphQL API version 2025-10 and beyond. This change is tied to the deprecation of the Avalara AvaTax app integration and marks a significant shift in how tax classification is handled for product variants. The field will be completely unavailable in future API versions, requiring developers to migrate their implementations.

Why This Matters

If your Shopify app or integration currently relies on the taxCode field for tax calculations, reporting, or compliance workflows, you'll need to update your code before the field is removed. This deprecation could impact apps that manage multi-jurisdictional tax rules, automate tax code assignment, or integrate with third-party tax services. Delaying migration may result in broken functionality and API errors when you upgrade to newer API versions.

What You Should Do

• Audit your codebase and identify all instances where ProductVariant.taxCode is being queried or used
• Review Shopify's official migration guide and explore alternative tax classification approaches supported in current API versions
• Test your application against Admin GraphQL API version 2025-10 to confirm the deprecation warning appears
• Update your implementation to use alternative tax handling methods before the field is fully removed
• Schedule this update as a priority if your app serves merchants in multiple tax jurisdictions

How GetShopifyToken Helps

GetShopifyToken simplifies secure authentication for Shopify apps, ensuring your custom integrations can seamlessly authenticate with the latest Shopify APIs. As you migrate away from deprecated fields, having reliable OAuth token management ensures your app continues functioning smoothly across API version updates.

← More Shopify Updates