curl --request GET \
  --url https://api.fungies.io/v0/orders/{orderIdOrNumber} \
  --header 'x-fngs-public-key: <api-key>'

{
  "status": "<string>",
  "data": {
    "order": {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "number": "<string>",
      "createdAt": 4503599627370495,
      "orderNumber": "<string>",
      "object": "order",
      "value": 0,
      "tax": 0,
      "fee": 0,
      "totalItems": 0,
      "country": null,
      "currency": null,
      "currencyDecimals": null,
      "userId": null,
      "user": null,
      "lastPaymentId": null,
      "lastPaymentNumber": null,
      "lastPayment": null,
      "subscriptionId": null,
      "subscription": null
    },
    "subscription": {
      "id": "<string>",
      "createdAt": 4503599627370495,
      "currentIntervalEnd": 4503599627370495,
      "currentIntervalStart": 4503599627370495,
      "orderId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "orderNumber": "<string>",
      "order": {
        "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
        "number": "<string>",
        "object": "order"
      },
      "object": "subscription",
      "cancelAtIntervalEnd": false,
      "canceledAt": null,
      "userId": null,
      "user": null,
      "lastPaymentId": null,
      "lastPaymentNumber": null,
      "lastPayment": null
    }
  }
}