{ "generated": "2026-07-27", "method": "probed", "source": "https://services6.arcgis.com/Ji2rusuWXDFSqNsP/ArcGIS/rest/services", "note": "Verbatim error bodies returned by EPCOR's public ArcGIS feature services. Every one of these was returned with HTTP status 200 - the ArcGIS REST interface signals failure in the body, not in the status line.", "responses": [ { "request": "GET /ocps_prod_av/FeatureServer/0/query?where=BOGUS(&outFields=*&f=json", "http_status": 200, "body": { "error": { "code": 400, "message": "Cannot perform query. Invalid query parameters.", "details": ["'where' parameter is invalid"] } } }, { "request": "GET /ocps_prod_av/FeatureServer/99?f=json", "http_status": 200, "body": { "error": { "code": 400, "message": "", "details": ["The requested layer (layerId: 99) was not found."] } } }, { "request": "GET /no_such_service/FeatureServer?f=json", "http_status": 200, "body": { "error": { "code": 400, "message": "Invalid URL", "details": ["Invalid URL"] } } } ] }