POS App Development: com.shopify.pos Links do Not Work

Topic summary

A developer is encountering issues while building a POS extension using shopify app dev. The generated QR code produces a com.shopify.pos:// deep link, but when opened on a mobile device with Chrome and the Shopify POS app installed, it’s treated as a regular URL instead of launching the POS app.

Key Problems:

  • The POS app appears not to register the custom URL scheme
  • Unable to add a POS tile for the app in development mode
  • The app extension doesn’t appear when attempting to add tiles in POS

Status: The issue remains unresolved with no responses yet. The developer is seeking guidance on proper deep link configuration and how to enable their extension during development.

Summarized with AI on October 24. AI used: claude-sonnet-4-5-20250929.

Building POS extension. When running shopify app dev if provide page with QR code that give link like this: com.shopify.pos://pos-ui-extensions?url=https://HOST.trycloudflare.com/extensions/GUID but opening this link on phone with Chrome with the Shopify POS app installed does not work. It treat as normal URL. Look like POS app does not register this URL scheme.

How can I add the a POS tile for the app in dev mode?

POS does not show the app extension when adding tile either.