{"service":"Mock SMS Gateway v2.0","endpoints":{"GET /health":"Health check","GET /stats":"Statistics","GET /otp/{phone}":"Get latest OTP","GET /otps":"List all active OTPs","DELETE /otps":"Clear OTP store","GET /requests":"SMS request log","DELETE /requests":"Clear request log","GET /events":"SSE real-time stream","GET /credentials":"View SMS credentials","POST /credentials":"Update credentials","POST /smsgw/login":"SMS gateway login (IDSafe)","POST /smsgw/send-sms":"Send SMS (IDSafe)"}}