I'm trying to batch geo-code 13.804 addresses but for some reason the server often either doesn't respond at all (I've disabled timeouts) or I'll get an empty 502 response. I'm chunking the requests into 150 addresses per request as defined by the SuggestedBatchSize that I'm getting from http://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer?f=pjson
Is this an issue on my end? Should I send the requests slower? Or is this an issue with the ArcGIS geocoding api.
The endpoint I'm using is