curl --request GET \
  --url https://api.polymarket.us/v1/order/{orderId}

{
  "order": {
    "id": "<string>",
    "market_slug": "<string>",
    "side": 1,
    "type": 1,
    "price": {
      "value": "0.55",
      "currency": "USD"
    },
    "quantity": 123,
    "cumQuantity": 123,
    "leavesQuantity": 123,
    "tif": 1,
    "goodTillTime": "2023-11-07T05:31:56Z",
    "intent": 1,
    "marketMetadata": {
      "slug": "<string>",
      "icon": "<string>",
      "title": "<string>",
      "outcome": "<string>",
      "eventSlug": "<string>"
    },
    "state": 123,
    "avgPx": {
      "value": "0.55",
      "currency": "USD"
    },
    "insertTime": "2023-11-07T05:31:56Z",
    "createTime": "2023-11-07T05:31:56Z"
  }
}