Test payment still on Shopify App Express

Shopify Apps

Topic summary

A developer published an app to the Shopify App Store and enabled payments using ShopifyAppExpress with the isTest flag set to false. Despite this configuration, test payments continue to appear on their end instead of live transactions.

Key Issue:

  • Live payments not processing correctly despite isTest: false setting
  • Test mode appears to still be active after app publication

Status: The issue remains unresolved with no responses yet. The developer included a reference link to the ShopifyAppExpress authentication documentation, suggesting they’ve consulted official resources but haven’t identified the root cause.

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

We recently published an app on the app store and turned payments on - we are using ShopifyAppExpress and turned isTest to off. But we are still seeing test payments on our side - what could this be caused by?

https://github.com/Shopify/shopify-app-js/blob/%40shopify/shopify-app-express%404.1.6/packages/apps/shopify-app-express/docs/reference/auth.md