curl --request GET \
  --url https://cloud.cdata.com/api/catalogs \
  --header 'Authorization: Basic <encoded-value>'

{
  "results": [
    {
      "affectedRows": -1,
      "schema": [
        {
          "catalogName": "CData",
          "columnLabel": "TABLE_CATALOG",
          "columnName": "TABLE_CATALOG",
          "dataType": 5,
          "dataTypeName": "VARCHAR",
          "length": 255,
          "nullable": true,
          "ordinal": 0,
          "precision": 255,
          "scale": 0,
          "schemaName": "QueryFederation",
          "tableName": "sys_catalogs"
        }
      ],
      "rows": [
        [
          "Salesforce1"
        ]
      ]
    }
  ]
}