curl --request POST \
  --url https://api.pocketenv.io/xrpc/io.pocketenv.sandbox.exposePort \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "port": 33280,
  "description": "<string>"
}
'

{
  "previewUrl": "<string>"
}