By Mohit Patel, Marketing Specialist, Tailor Size Guide
How to Read Size Chart Data via the Shopify Storefront API
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Add Tailor Size Guide as a preferred source on GoogleProgrammatic access. GraphQL query. Use anywhere.
The GraphQL Query
Query product metafields under the tailor_size_guide namespace:
query GetSizeChart($handle: String!) {
product(handle: $handle) {
metafield(namespace: "tailor_size_guide", key: "chart") {
value
}
}
}
Value is JSON containing chart data: chart_id, sizes (label + measurements), regions.
Setup
App settings → Storefront API → Enable. Tailor Size Guide marks the metafields with storefront: true visibility. Use your Storefront API token in any client.
Use Cases
Headless storefronts, Google Shopping feeds, ERP sync, custom apps. Anywhere you need size data outside the standard product page.
FAQs
Storefront API?
Metafields, namespace tailor_size_guide.
Use cases?
Headless, feeds, ERP, custom apps.
Programmatic size data
Tailor Size Guide exposes chart data via Storefront API for any custom build.