curl --request POST \
  --url https://api.example.com/v2/tasks/{task_id}/session \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "callback_url": "<string>"
}
'

{
  "url": "<string>",
  "created_at": "<string>",
  "expires_at": "<string>"
}