Enmax Hosting Capacity Query Response is an example object payload from ENMAX, with 9 top-level fields. It illustrates the shape of data this provider's APIs accept or return.
{"objectIdFieldName":"OBJECTID","uniqueIdField":{"name":"OBJECTID","isSystemMaintained":true},"globalIdFieldName":"","geometryProperties":{"shapeLengthFieldName":"Shape__Length","units":"esriMeters"},"geometryType":"esriGeometryPolyline","spatialReference":{"wkt":"PROJCS[\"Calgary_3TM_WGS_1984_W114\",GEOGCS[\"GCS_WGS_1984\",DATUM[\"D_WGS_1984\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",-114.0],PARAMETER[\"Scale_Factor\",0.9999],PARAMETER[\"Latitude_Of_Origin\",0.0],UNIT[\"Meter\",1.0]]","wkt2":"PROJCS[\"Calgary_3TM_WGS_1984_W114\",GEOGCS[\"GCS_WGS_1984\",DATUM[\"D_WGS_1984\",SPHEROID[\"WGS_1984\",6378137.0,298.257223563]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",-114.0],PARAMETER[\"Scale_Factor\",0.9999],PARAMETER[\"Latitude_Of_Origin\",0.0],UNIT[\"Meter\",1.0]]"},"fields":[{"name":"OBJECTID","type":"esriFieldTypeOID","alias":"OBJECTID","sqlType":"sqlTypeOther","domain":null,"defaultValue":null},{"name":"FEEDERID","type":"esriFieldTypeString","alias":"FEEDERID","sqlType":"sqlTypeOther","length":20,"domain":null,"defaultValue":null},{"name":"Description","type":"esriFieldTypeString","alias":"Description","sqlType":"sqlTypeOther","length":255,"domain":null,"defaultValue":null},{"name":"Phase_Designation","type":"esriFieldTypeString","alias":"Phase_Designation","sqlType":"sqlTypeOther","length":50,"domain":null,"defaultValue":null},{"name":"Range","type":"esriFieldTypeString","alias":"Range","sqlType":"sqlTypeOther","length":70,"domain":null,"defaultValue":null},{"name":"Date_Last_Updated","type":"esriFieldTypeString","alias":"Date_Last_Updated","sqlType":"sqlTypeOther","length":20,"domain":null,"defaultValue":null},{"name":"Shape__Length","type":"esriFieldTypeDouble","alias":"Shape__Length","sqlType":"sqlTypeDouble","domain":null,"defaultValue":null}],"exceededTransferLimit":true,"features":[{"attributes":{"OBJECTID":32,"FEEDERID":null,"Description":"Three Phase Primary Overhead","Phase_Designation":"ABC","Range":"1,000 kW - 4,999 kW","Date_Last_Updated":"February 2025","Shape__Length":224.12013180832838}},{"attributes":{"OBJECTID":33,"FEEDERID":null,"Description":"Three Phase Primary Overhead","Phase_Designation":"N/A","Range":"\u003c 199 kW (Highest likelihood for system upgrades)","Date_Last_Updated":"February 2025","Shape__Length":126.27583087321494}}]}