Using Script Tag Api for Public App

Retired Boards Appdev Custom Storefronts

Topic summary

  • Core issue: A developer, preparing a first public Shopify app, asks if it’s permissible to use the Script Tag API to modify the order “thank you” page (the post-purchase confirmation page).

  • Technical context: The Script Tag API allows injecting custom JavaScript into storefront pages. Shopify’s newer Checkout Extensions provide sanctioned ways to customize checkout and post-purchase experiences.

  • Concern: With the rollout of Checkout Extensions, the developer is unsure whether using Script Tags to manipulate the thank-you page is now restricted or disallowed for public apps.

  • Requested clarification: Clear guidance on policy and allowed methods for customizing the thank-you page in a public app (e.g., whether Script Tags are still acceptable or if Checkout Extensions are required).

  • Status/outcome: No responses or decisions yet; the question remains open with no confirmed resolution. No attachments or code provided.

Summarized with AI on January 30. AI used: gpt-5.
1

Hi there!

I am planning to launch my first public Shopify app.

Is it allowed to use the scrip tag API for manipulating the order thank you page?

Due the launch of the checkout extensions it may be restricted?

Waiting on your feedback.