/api/auth/webauthn/optionsGenerate WebAuthn authentication options for logging in with an existing passkey.GET/api/auth/webauthn/optionsResponse Body200application/json4xxapplication/jsoncURLJavaScriptGoPythonJavaC#Rustcurl -X GET "https://example.com/api/auth/webauthn/options"2004xxnull/api/auth/register POSTRegister a new user account and immediately authenticate them, optionally consuming an invite code./api/auth/webauthn POSTVerify a WebAuthn authentication response and log in the user associated with the matching passkey.