How to fetch shipping address post purchase using checkout extension Api

Topic summary

A developer new to Shopify app development is building a checkout extension using React and needs to retrieve the shipping address after a purchase is completed.

Key Requirements:

  • Access shipping address data post-purchase
  • Looking for implementation guidance with sample code
  • Using React for app development

Reference Provided:

Current Status:
The question remains unanswered with no solutions or code examples provided yet. The developer is seeking practical implementation help for integrating the Post Purchase Extension API to access customer shipping information.

Summarized with AI on November 20. AI used: claude-sonnet-4-5-20250929.

I am new to Shopify app development. I am building a Shopify checkout extension In which I want to fetch the shipping address post purchase. let me know how I can do it. If possible please provide a sample code. I am using React for app development.

Post purchase extension Api Link: https://shopify.dev/docs/api/checkout-extensions/extension-points