Sign in
Enter your email and we will send a sign-in link — no password.
What happens next
- We email you a link. Opening it signs you in — there is no password to set.
- The link is good for 15 minutes. Once it expires, ask for another.
- After that you stay signed in on this browser for 30 days.
Not signing in yet? The free generator makes one card without an account, and the quickstart shows the API shape before you commit to anything.