curl --request POST \
  --url https://rest.kyckr.com/core/filing/order \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "countryISO": "IE",
  "productKey": "CROOFF_12345",
  "companyName": "Kyckr",
  "orderRef": "Optional reference here"
}
'

{
  "Result": true,
  "Message": "Order Successful",
  "orderRef": "My Reference"
}