curl --request POST \
  --url https://app.plugchoice.com/api/v3/sites/{site}/cards/import \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{}'

{
  "message": "<string>",
  "created": 123,
  "skipped": 123,
  "errors": [
    {
      "row": 123,
      "name": "<string>",
      "id_token": "<string>",
      "error": "<string>"
    }
  ]
}