curl --request GET \
  --url https://api.g2cplatform.com/v2/health \
  --header 'X-API-Key: <api-key>'

{
  "status": "healthy",
  "timestamp": "2023-11-07T05:31:56Z",
  "version": "2.0.0",
  "uptime": 123,
  "checks": {
    "database": "healthy",
    "blockchain": "healthy",
    "storage": "healthy"
  }
}