curl --request GET \
  --url https://app.getcensus.com/api/v1/connectors/{service_name}/object_types \
  --header 'Authorization: Bearer <token>'

{
  "status": "success",
  "pagination": {
    "total_records": 14,
    "per_page": 25,
    "prev_page": 1,
    "page": 2,
    "next_page": 3,
    "last_page": 10
  },
  "data": [
    {
      "type": "Sheet",
      "object_attributes": [
        {
          "key": "sheetName",
          "label": "Sheet Name",
          "type": "string",
          "required": true,
          "hint": "Either spreadsheetName or spreadsheetId is required.",
          "possible_values": [
            "<string>"
          ]
        }
      ],
      "field_attributes": [
        {
          "key": "sheetName",
          "label": "Sheet Name",
          "type": "string",
          "required": true,
          "hint": "Either spreadsheetName or spreadsheetId is required.",
          "possible_values": [
            "<string>"
          ]
        }
      ]
    }
  ]
}