{"success":true,"message":"Masterpass API v1.0","endpoints":{"POST \/api\/auth?action=register":"Register new user","POST \/api\/auth?action=login":"Login user","POST \/api\/security?action=...":"2FA\/PIN management (setup_2fa, verify_2fa, disable_2fa, setup_pin, verify_pin, change_pin, verify_login, unlock_session, get_security_status)","GET\/POST \/api\/cache?action=...":"Cache management (clear, clear_endpoint, stats, clear_all)","GET\/POST\/PUT\/DELETE \/api\/passwords":"Manage passwords (supports sorting\/filtering)","GET \/api\/password_categories":"List password categories (read-only)","GET\/POST\/PUT\/DELETE \/api\/cards":"Manage cards (supports sorting\/filtering)","GET\/POST\/PUT\/DELETE \/api\/notes":"Manage notes (supports sorting\/filtering)","GET\/POST\/PUT\/DELETE \/api\/clients":"Manage clients (supports sorting\/filtering)","GET\/POST\/PUT\/DELETE \/api\/client_services":"Manage client services","GET\/POST\/PUT\/DELETE \/api\/financial_accounts":"Manage financial accounts (supports sorting\/filtering)","GET\/POST\/PUT\/DELETE \/api\/transactions":"Manage transactions (supports sorting\/filtering)","GET\/POST\/PUT\/DELETE \/api\/tags":"Manage tags","GET\/POST\/PUT\/DELETE \/api\/encrypted_messages":"Manage encrypted messages","GET\/POST\/PUT\/DELETE \/api\/service_payments":"Manage service payments","GET\/POST\/PUT\/DELETE \/api\/transaction_categories":"Manage transaction categories","GET\/POST\/DELETE \/api\/note_tags":"Manage note tags","GET \/api\/password_history":"View password history"}}