api.anthropic.com (enforced by this page's Content-Security-Policy), never to this site's host. Use a key with a spend limit, created for labs, in its own Console workspace. For team or production apps, don't put keys in browsers: use a backend proxy.
New accounts are confirmed by email: check your inbox (and Junk). Your Claude API key is never stored in your account; it stays in your browser.
You opened a password reset link. Choose a new password below and press Update.
Signed in as . Your progress syncs automatically, and the dashboard shows team progress.