Shopify Standard Product Taxonomy using GraphQL API

Topic summary

A developer is attempting to retrieve Shopify’s Standard Product Taxonomy categories through the GraphQL API. The taxonomy has three hierarchical levels, but the current API request using the TaxonomyCategory object only returns Level 1 (top-level) categories.

Current Issue:

  • Only able to fetch the first level of categories
  • Need to access all three levels of the taxonomy hierarchy

Question:
How to retrieve the complete multi-level category structure using GraphQL?

The discussion remains open with no solution provided yet.

Summarized with AI on October 31. AI used: claude-sonnet-4-5-20250929.

Hello,

We want to pull these categories (with 3 levels) https://shopify.github.io/product-taxonomy/releases/unstable/ using GraphQL API.

https://shopify.dev/docs/api/admin-graphql/latest/objects/TaxonomyCategory Using this API request we only get Level 1 categories. How can we get list of all 3 levels using GraphQL?