Board Thread:Support Requests - Getting Technical/@comment-26143371-20160811150235

I'm trying to get data from the WAM-API, something along the lines of Unfortunately this API is only available on w:c:www, w:c:c and a few others, which means I cannot access it through the wiki where it is needed. Seemingly neither CORS nor JSONP are allowed/supported. Thanks to Thread:878444 I've found out about YQL, which I can use as a workaround to get the information I want:

However, I'd like to avoid using a third-party service if possible. Am I missing something trivial or is it really not possible to access WAM-API (and some others APIs too) from a different wiki?  