curl --request POST \
  --url https://app.datafold.com/api/v1/data_sources/{data_source_id}/query \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "query": "<string>"
}
'

{
  "rows": [
    {}
  ],
  "columns": [
    {
      "name": "<string>",
      "db_type": "<string>",
      "description": "<string>",
      "is_nullable": true,
      "number": 123,
      "type": "<string>"
    }
  ]
}