Optional Authentification (E621 E926) - Xwilarg/BooruSharp GitHub Wiki
Every Booru also can take a BooruSharp.Booru.BooruAuth in parameter.
This is only useful if you want to check related tags for E621 and E926.
public BooruAuth(string login, string passwordHash);
login is your login to the website
passwordHash is an API key you can obtain here (you need to be logged in the website): https://e621.net/user/api_key