Intercome Messenger Custom App Integration


I’m having trouble hosting my custom button on Intercom Messenger, every time I try to add the button through the Add an app option, I can see it there but when it tries to load it says status 400 (“{“support_url”:null,“error_code”:“third_party_request_error”,“message”:“Something went wrong with the third party server during the request”}”), it seems that the request to my glitch project failed and this worked, like 3 days ago…

For Intercome, I followed this tutorial for this integration, it worked great on Friday, when I tried today, it keeps getting status code 400.

Any form of help is appreciated.

Thanks in advance