Get passkey registration options
Profile & security
Get passkey registration options
Session-only. Produce WebAuthn registration options for adding a
passkey to the current account. The challenge rides in a signed cookie
bound to the account and must accompany POST /me/passkeys/register.
POST
Get passkey registration options
Authorizations
Browser session cookie minted by POST /auth/login (or passkey
login). httpOnly, SameSite=Lax, 24 h TTL. Endpoints marked
Session-only accept only this credential and return
403 session_required for API keys.