curl --request POST \
  --url https://api.treet-test.co/v1/items/grade \
  --header 'Content-Type: application/json' \
  --header 'X-Treet-Authentication-Key: <api-key>' \
  --header 'X-Treet-Client-Id: <api-key>' \
  --data '
{
  "items": [
    {
      "id": "c7383262-e266-4b97-a957-40caa69b6a56",
      "condition": "GOOD",
      "notes": "Loose thread on button",
      "images": [
        {
          "url": "https://example.com/image1.jpg",
          "notes": "Front view of the item, see loose thread"
        },
        {
          "url": "https://example.com/image2.jpg"
        }
      ]
    }
  ]
}
'

{
  "items": [
    {
      "id": "c7383262-e266-4b97-a957-40caa69b6a56",
      "condition": "GOOD",
      "notes": "Loose thread on button",
      "images": [
        {
          "url": "<string>",
          "notes": "<string>"
        }
      ]
    }
  ]
}