curl --header "zsessionid:<API Key - include the underscore before the key>" -H "Content-Type: application/json" https://rally1.rallydev.com/analytics/v2.0/service/rally/workspace/<WORKSPACE_OID>/artifact/snapshot/query.js?find={"ObjectID"%<OBJECT_OID>}&fields=["_SnapshotNumber"%2C"_ValidFrom"%2C"_ValidTo"]&start=0&pagesize=200