I'm using this URL which gets an article that is public:

mywebsite.com/index.php?option=com_jbackend&view=request&action=get&module=content&resource=articles&id=20

I have my Global Access Type set to "API". And I have a JBackend menu item (endpoint) that I created which is set to "Free".

The above link seems to be using the global configuration because when I set the Global config to "Free" it works fine, but when I set the Global config to "API" I get this:

{
"status": "ko",
"error_code": "REQ_AKR",
"error_description": "API key required"
}

How do I change the URL above to specify the Endpoint item that I created so I can use the "Free" setting on that endpoint while still keep the Global config to "API"?

Figured it out. It's "&Itemid=777". and it is case sensitive apparently.