Hi Teodor,
yes it is
You can’t see the data in design view when using dynamic filters.
You can turn off the app connect mode to see your layout or switch to preview mode in order to see the rendered page.
Teodor, its the other way round. I can see the data in design view but not in the browser
Sorry i misread your post. Please then debug this:
Thanks Teo. It came up with an error of 404 but I checked the directory and the API with the query has been uploaded correctly. The path is also correct. Any ideas?
Have you tried running your server action directly in the browser to see if it is there actually?
Yes it works perfectly.
Then what is the exact error you see on your page in the dev tools?
Failed to load resource: the server responded with a status of 404 ()
What i am asking is a screenshot of the exact error from your dev tools as explained in:
So when you right click on this and select Open In New Tab:
What do you see in the browser? And is the path to it correct?
Please provide a link where i can check that.
well that’s really bizarre. the link i provided works perfectly, but from wappler the browser check does not. May have been a cache thing 
The page and the server action there work fine for me.
Yup, all working fine now. Thanks for your time.