Redirect customer from order thank you page to third party URL

Retired Boards Appdev Extensions

Topic summary

A developer needs to redirect customers from Shopify’s order confirmation page to a custom third-party URL. They’ve built a Remix app and want to fetch the redirect URL from their backend.

Current approach:

  • Using ScriptTag API, but this is being deprecated soon

Key question:

  • How to achieve this for basic Shopify stores?
  • Should they use checkout UI extensions instead?

The developer is seeking guidance on the recommended approach given the deprecation of their current method.

Summarized with AI on November 8. AI used: claude-sonnet-4-5-20250929.
1

I want to redirect user from order success page to custom third party URL. I have created app using remix and I want to fetch url from my backend app and then redirect user to external URL. I am currently using scriptTagApi but this api is deprecating soon. Should I use checkout ui extensions?

How can I achieve this for shopify basic store type?