[atlas] Confused by the documentation

I confess I have a lot of problems finding something in the documentation in its current state. For instance, I assume that HTTP requests can have a "method" parameter to switch from GET, HEAD, etc but where is it documented? Not here: https://atlas.ripe.net/docs/apis/rest-api-manual/measurements/types/type_spe... Not here: https://atlas.ripe.net/docs/apis/rest-api-reference/#measurements