Is Shopify post purchase extension compatible with Shopify one-page checkout?

Topic summary

A merchant’s Shopify post-purchase offer extension is not displaying after implementing one-page checkout. According to Shopify documentation, the post-purchase ShouldRender extension is triggered when customers reach the payment information page.

Key Question:
How does this extension function with one-page checkout, where the payment information isn’t a separate step?

Current Status:

  • Issue remains unresolved
  • A responder is asking for clarification: whether the extension worked before switching to one-page checkout, if the merchant meets all conditions listed in Shopify’s limitations documentation, and requesting store details via direct message for further investigation
Summarized with AI on November 16. AI used: claude-sonnet-4-5-20250929.

Shopify post purchase offer is not showing up after one page checkout for one of merchant. As per Shopify documentation, Shopify post purchase ShouldRender extension is called when the customer goes to the payment information page. How does it work for one page checkout?

Hey @Jasveen

Was it working before they switched to one-page checkout?

Do they meet all the other conditions in the limitations you linked?

Please DM me store details.