# users.getByUsername Returns a user selected by exact username after applying READ_USER authority. includeDeleted permits an authorized caller to inspect a permanent tombstone; it does not grant additional authority. Missing and unauthorized matches both return 404 so this guessable identifier cannot reveal whether a user exists. ```ts getByUsername(username: string, options?: UsersGetByUsernameOptions, requestOptions?: RequestOptions): Promise ``` [users](../users.md) · [TypeScript](../../typescript.md) Related types — open only those used by your request: - [RequestOptions](../models/RequestOptions.md) - [UsersGetByUsernameOptions](../models/UsersGetByUsernameOptions.md)