curl --request PATCH \
  --url https://api.fungies.io/v0/orders/{orderIdOrNumber}/cancel \
  --header 'Content-Type: application/json' \
  --header 'x-fngs-public-key: <api-key>' \
  --header 'x-fngs-secret-key: <api-key>' \
  --data '{}'

{
  "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
    }
  }
}