Checkout additional scripts no longer available

Shopify Discussion

Topic summary

A user on Shopify’s Advanced plan is attempting to integrate a payment API that requires checkout additional scripts for the Order Status Page. However, they’ve discovered that the script box is no longer available under the “Checkout” menu in Settings.

Key Issue:

  • The checkout additional scripts feature has been removed from its usual location
  • This functionality is needed for a payment API integration

Current Status:

  • The user mentions a deadline of August 2025, suggesting this may relate to Shopify’s checkout extensibility migration
  • They’re seeking ways to restore or access this functionality
  • No solutions or responses have been provided yet
Summarized with AI on November 1. AI used: claude-sonnet-4-5-20250929.
1

Hi,

I am currently on an advanced plan and want to integrate with a payment API that needs to use checkout additional scripts for the Order Status Page.

But the script box is no longer under the “Checkout” menu in Settings.

Is there any way to revert this as the deadline is august 2025?