curl --request POST \
  --url https://{operatorDomain}/v1/public/offers/redeem \
  --header 'Content-Type: application/json' \
  --data '
{
  "code": "<string>",
  "departureId": "<string>"
}
'

{
  "id": "offer_01h...",
  "slug": "<string>",
  "title": "<string>",
  "discountType": "percentage",
  "value": 123
}