{"service":"f3","version":"1.0.0","status":"active","timestamp":"2026-05-08T06:00:11.712962+00:00","message":"FastAPI F3 - IoT Testing Service","endpoints":{"http":["GET / - Service info","GET /health - Health check","GET /ping - Simple ping","POST /data - Submit data","GET /echo - Echo query params","POST /echo - Echo request body"],"tcp":"Port 9003 - Echo server","udp":"Port 9004 - Echo server"}}