I am designing my own monitoring tool for use with the wix "Connect with external tools to monitor your site". The problem is I can get the endpoint to work if the URL is set to a .com domain but if I try to redirect to the actual URL I have in mind, which ends with .solutions, it rejects the URL.
Please see the attached photo to see where I am talking about. I am currently using a workaround by sending out the requests to my other site that ends with .com then forwarding back to my .solutions site for storage. So I know my endpoint works.
Thanks for the assistance,