{"message":"PolarBear Analytics API","version":"1.0.0","status":"healthy","security":{"level1":"Mobile App (API Key + HMAC Signature)","level2":"Analytics (Public + Optional Priority)","level3":"Business Portal (JWT + API Key)"},"endpoints":{"health":"/health","analytics":"/api/analytics","submissions":"/api/submissions","messages":"/api/messages","businessAuth":"/api/business/auth","business":"/api/business","test":"/api/test"}}