Shopify Store Integration Not Working
Quick answer: Go to Settings > Apps and sales channels, open the app, and verify installation, permissions, and app activity. Shopify says app access can be reviewed from the app's about page after installation, per Shopify Help Center, Sept 2026.
1. Confirm the app is installed for this store
Open Settings > Apps and sales channels and confirm the integration appears for the exact Shopify store you are troubleshooting. If a third-party install link expired or the app was removed, the integration needs a fresh install path from the developer.
2. Review requested data access
Shopify shows the areas an app can view or edit during installation, including customers, products, orders, discounts, gift cards, analytics, and Online Store. If the integration now needs different data, the app must request the proper access.
3. Check custom app scopes and versions
For custom apps, go to Settings > Apps > Develop apps. Shopify's custom app flow defines scopes, versions, webhooks API version, and release state, per Shopify Help Center, Sept 2026.
4. Check webhook delivery before blaming OAuth
If the app opens but data is stale, inspect webhook delivery logs or the app provider's sync history. Shopify Dev notes that webhooks keep apps in sync with store events, per Shopify Dev, Sept 2026.
5. Reconnect with a rollback trail
Before uninstalling or reinstalling, capture the app name, scopes, last successful sync, failing API call or event, and the affected order/product/customer ID. That makes support useful and prevents blind reconnect loops.
When to contact Shopify Support
Contact Shopify Support if the admin cannot show or manage the installed app for a properly permissioned account. Contact the app developer if the app is installed but its own sync, OAuth, API, or webhook handling is failing.
Dealing with this right now?
Text the app name, the Shopify admin path you checked, and whether this is install, permission, API, or webhook failure. PJ can help separate Shopify admin issues from app vendor issues.