How do you call an endpoint from freemarker?

Hi jlutterloh, 

sorry, as I know, it is not possible to do this in component (including endpoint result without JavaScript) at this moment.

if you worries about the UI "flashing" effect by including endpoint result with JavaScript, you may want to hide the outter div first, call the endpoint, add generated html and show the div. for exmaple,  I created an Endpoint in Studio which reaches some 3-rd party API and generate a HTML, and in my another component, I just do something like this.

<#assign kb_endpoint_url = "/plugins/custom/customer-id-goes-here/community-id-goes-here/endpoint-goes-name-here" />

<@liaAddScript>
(function($) {
        $(document).ready(function() {
        
                function callLithiumEndpoint() {
                
                    $('.my-div-css-class-goes-here').hide();
                    
                    var jqxhr = $.get("${kb_endpoint_url}" function(data) {
                      console.log("success");                     
                      $('.my-div-css-class-goes-here').prepend(data); 
                    })
                    .done(function() { console.log("second success"); })
                    .fail(function() { console.log("error"); })
                    .always(function() { console.log("finished"); $('.tmy-div-css-class-goes-here').show(); });                   
                }                
                callLithiumEndpoint();
        });
})(LITHIUM.jQuery);
</@liaAddScript>

 I hope that this is helpful for you.