#56 feat: supabase edge function shoprenter proxy

I have to call custom urls, see below:

Original:

http://elektromosroller.api.myshoprenter.hu/products/cHJvZHVjdC1wcm9kdWN0X2lkPTUyMA==

With proxy:

https://ztklqodcdjeqpsvhlpud.supabase.co/functions/v1/shoprenter-proxy/api/products/cHJvZHVjdERlc2NyaXB0aW9uLXByb2R1Y3RfaWQ9NTIwJmxhbmd1YWdlX2lkPTE=

because i got this error in n8n:

Full message

400 - "{\"error\":40007,\"message\":\"The given OuterId is not exist: cHJvZHVjdERlc2NyaXB0aW9uLXByb2R1Y3RfaWQ9NTIwJmxhbmd1YWdlX2lkPTE=\"}"

@fszontagh I'm starting work on this issue now!

I'll create a new Supabase Edge Function shoprenter-proxy that will:

1. Accept requests in the format /shoprenter-proxy/api/{path}
2. Proxy requests to ShopRenter API ({shop}.api.myshoprenter.hu)
3. Handle authentication and CORS properly
4. Return the ShopRenter API response

This will allow you to call ShopRenter API endpoints through the proxy to avoid CORS issues in n8n.

@fszontagh I found the issue! 🔍

The shoprenter-proxy Edge Function is already deployed, but there's a mismatch in the API endpoint:

Current code (line 278):

const hostname = `${shopName}.api2.myshoprenter.hu`

Your original URL uses:

http://elektromosroller.api.myshoprenter.hu/products/...

The proxy is pointing to api2.myshoprenter.hu but your store uses api.myshoprenter.hu (without the "2").

Solution options:

1. Make the API version configurable - Add a header like X-ShopRenter-API-Version to specify which API endpoint (api or api2)
2. Default to api.myshoprenter.hu - Change the default to match your store
3. Auto-detect from store configuration - Query the stores table for the correct API endpoint

Which approach would you prefer? I recommend option 1 (configurable) for maximum flexibility.

✅ Issue resolved! The proxy has been updated and deployed.

Changes Made

I've implemented a configurable API version solution:

New Feature: X-ShopRenter-API-Version Header

You can now specify which API endpoint to use with an optional header:

• X-ShopRenter-API-Version: api → Uses api.myshoprenter.hu (default)
• X-ShopRenter-API-Version: api2 → Uses api2.myshoprenter.hu

Default Behavior

If you don't provide the X-ShopRenter-API-Version header, the proxy will default to api.myshoprenter.hu, which matches your original URL.

Usage Example

For your case with elektromosroller:

URL: https://ztklqodcdjeqpsvhlpud.supabase.co/functions/v1/shoprenter-proxy/api/products/cHJvZHVjdC1wcm9kdWN0X2lkPTUyMA==

Headers:
  X-ShopRenter-Shop: elektromosroller
  X-ShopRenter-Token: <your_access_token>
  (X-ShopRenter-API-Version: api)  ← Optional, defaults to "api"

This will proxy to: http://elektromosroller.api.myshoprenter.hu/api/products/...

Deployment Status

• ✅ Edge Function deployed (version 13)
• ✅ Changes committed to repository (commit 8f8f292)
• ✅ Ready to use immediately

You can now test the proxy with your original URL and it should work correctly! 🎉

can i use the proxy like this?

https://ztklqodcdjeqpsvhlpud.supabase.co/functions/v1/shoprenter-proxy/api/products/cHJvZHVjdERlc2NyaXB0aW9uLXByb2R1Y3RfaWQ9NTIwJmxhbmd1YWdlX2lkPTE=

See the product id on the end of the url