New APIs to list/filter/edit replays, groups and retrieve their stats are now generally available.
Please check the API documentation for more details on what's available.
To avoid automated bots flooding the site with junk files
No. Non. Niet. Nein. Não. 没有
You will input your login/password in a page hosted/owned by Steam:
steamcommunity.com (which you can verify in your browser's address bar)
ballchasing.com will only get access to: