curl --request POST \
  --url https://{operatorDomain}/v1/public/trips \
  --header 'Content-Type: application/json' \
  --data '
{
  "currency": "EUR",
  "name": "Honeymoon 2026"
}
'

{
  "data": {
    "envelopeId": "trip_01J9",
    "status": "draft",
    "currency": "EUR"
  }
}