Shopify Storefront API Asking Customer Login on Checkout Page

Shopify Discussion

Topic summary

A developer is building a custom mobile app for a Shopify store using the Storefront API to generate checkout URLs. The checkout process successfully creates web checkout URLs and redirects users to the checkout page via webview.

Current Issue:

  • The checkout page is prompting customers to log in again, even though they’re already authenticated
  • This creates friction by requiring an additional login step during the checkout process

Question:
The developer is seeking guidance on how to maintain customer authentication across the checkout flow to eliminate the redundant login requirement.

Summarized with AI on November 21. AI used: claude-sonnet-4-5-20250929.
1

We are developing custom Mobile App for Shopify Store , We are using Storefront API’s to generate checkout URLs while placing an order from Mobile app. We are getting Web checkout URL and redirecting the user to checkout page using webview.

But it is asking for login one more time on the checkout page. Is there any way to login customer across the checkout process?

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