Issue a challenge for a TOTP factor
Auth
Issue a challenge for a TOTP factor
Called during the sign-in MFA step-up flow (using the mnemom_mfa_pending cookie) or during enrollment verification (using the existing mnemom_session). Returns a challenge_id to pass to /auth/mfa/verify.
POST
Issue a challenge for a TOTP factor
Authorizations
HttpOnly, Secure, SameSite=Lax cookie issued by /v1/auth/sign-in (or the SSO / email-callback flows). The value is an AES-256-GCM-encrypted blob of {access_token, refresh_token, issued_at, auth_method}. Browser clients include this automatically with credentials: "include".
Body
application/json
Response
Challenge issued.