How do I create metafields for collections?

Topic summary

Creating a metafield for a Shopify collection, specifically a smart collection, via the API is the central open question. The original post asks whether this is possible and notes that a related Stack Overflow question had not yet received an answer.

Most recent development:

  • A reply does not provide a direct API solution.
  • Instead, it suggests using a metafield management app from the Shopify App Store.
  • The recommended app is presented as including usage instructions and additional help for theme development.

Current status:

  • No confirmed technical method or API example for creating collection metafields is provided in the discussion.
  • The question remains unresolved from an API-development perspective.
  • The only concrete action suggested is to use a third-party app as a workaround or management tool.

Relevant term:

  • Metafield: custom data attached to Shopify resources such as products or collections.
Summarized with AI on March 8. AI used: gpt-5.4.

I’ve posted this question on StackOverflow, but no answer so far: https://stackoverflow.com/questions/67196383/create-metafields-for-smart-collection-on-shopify

Any idea how to create a metafield for a (smart) collection via the API?

Hi, Luspada,

You can add a Metafield app to your store, this is the app we developed, inside the app, there are 'how to use", if you need more help in developing the theme, feel free to ask me.

search Grow Force Metafields Master in the Shopify app store.

Fang