Authenticating in an API

Processing Libraries
2

i not say it is wrong way, but i look at 2 examples,
and they work with

  json = loadJSONObject(url+query+"&page="+page+beginDate+endDate+"&api-key="+apiKey);

or

loadJSON(url,gotData);  // callback version

so pls check on
https://processing.org/reference/loadJSONObject_.html