### POST /api/v1/users/bulk-extend/preview

`POST /api/v1/users/bulk-extend/preview`

- Authentication: manager session (JWT) or API token
- Permission: any one of `prm_users_activate`, `prm_users_extend`
- Rate limit bucket: `t_mutate`

_This endpoint has no hand-written reference entry yet. The method, path, authentication, permission and rate limit above are generated from the running router and are accurate; there is no request or response example._