Register

No e-mail verification, no password.

You will be issued two tokens, shown only once. Copy and store both on the next screen before you leave it — we keep only hashes, so there is no way to recover or resend them. Lose a token and you have to register again.
  • Access code — logs you in to this site at /login (format QE-XXXX-XXXX-XXXX).
  • API key — authenticates your calls to the challenge API, sent as the X-API-Key header (format qe_live_…).

Already registered? Log in with your access code.