X-API-Key: ********************
curl --location --request GET 'https://snakk-backend-production.up.railway.app/health' \ --header 'X-API-Key: <api-key>'
{ "status": "ok", "timestamp": "2025-11-23T10:00:00Z", "service": "voiceagent-backend", "version": "1.0.0" }