I'm sure why using POST for readonly methods is a problem in the browser. It potentially messes with caching, but it should still function correctly. (Granted,

I'm sure why using POST for readonly methods is a problem in the browser. It potentially messes with caching, but it should still function correctly. (Granted, this is probably a poor design design decision, but has nothing to do with correct functionality.) As far as constructing the XML, you should be able to use something like xmlbuilderjs[0]. That said, I completely agree that dealing with REST APIs in the browser is far more practical. [0] https://github.com/oozcitak/xmlbuilder-js/ https://github.com/oozcitak/xmlbuilder-js/