Redirect URL for Custom App Backend API Integration

Technical Q&A

Topic summary

A user is attempting to configure an OAuth flow to obtain authorization from Business Central ERP through Shopify. The OAuth process successfully triggers the Shopify login page but prompts for a redirect URL.

Core Issue:

  • Unclear where to set the redirect URL when creating a legacy custom app for backend API integration
  • The app is intended for backend use only, not as a public app

Context:

  • An image is included showing the custom app creation interface
  • The question remains unanswered with no responses or solutions provided yet
Summarized with AI on October 23. AI used: claude-sonnet-4-5-20250929.
1

Hi All

I want to configure Oauth flow to get the initial authrisation via Oauth from Business Central ERP. Flow trigegrs the Shopify login page however asks for redirect URL. Where do you set the redirect URL when creating a legacy custom app using below option ? for conext this is required for backend integration and no public app required.

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