curl --request POST \
  --url https://api.example.com/v1/sessions/stop \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "reason": "USER_CLOSED"
}
'

{
  "code": 100,
  "data": "<unknown>",
  "message": "<string>"
}