curl --request GET \
  --url https://api.zapthinker.com/router/stats/{instance} \
  --header 'apikey: <api-key>'

{
  "period": {},
  "totalDecisions": 123,
  "successRate": 123,
  "fallbackRate": 123,
  "avgResponseTime": 123,
  "byIntegration": [
    {}
  ],
  "byRule": [
    {}
  ]
}