curl --request POST \
  --url https://api.example.com/api/regions \
  --header 'Content-Type: application/json' \
  --cookie better-auth.session_token= \
  --data '
{
  "key": "<string>",
  "flag": "<string>",
  "location": "<string>",
  "multiplier": 1,
  "active": true
}
'

{
  "id": "<string>",
  "key": "<string>",
  "flag": "<string>",
  "location": "<string>",
  "multiplier": 123,
  "active": true,
  "createdAt": "<string>",
  "updatedAt": "<string>"
}