curl --location --request GET 'https://analytics.googleapis.com/analytics/v3/management/accounts//webproperties//customDataSources//uploads/'
{
"accountId": "string",
"customDataSourceId": "string",
"errors": [
"string"
],
"id": "string",
"kind": "analytics#upload",
"status": "string",
"uploadTime": "2019-08-24T14:15:22Z"
}