curl --request GET \
  --url https://www.getinboxzero.com/api/v1/stats/response-time \
  --header 'API-Key: <api-key>'

{
  "summary": {
    "medianResponseTime": 123,
    "averageResponseTime": 123,
    "within1Hour": 123,
    "previousPeriodComparison": {
      "medianResponseTime": 123,
      "percentChange": 123
    }
  },
  "distribution": {
    "lessThan1Hour": 123,
    "oneToFourHours": 123,
    "fourTo24Hours": 123,
    "oneToThreeDays": 123,
    "threeToSevenDays": 123,
    "moreThan7Days": 123
  },
  "trend": [
    {
      "period": "<string>",
      "periodDate": "<string>",
      "medianResponseTime": 123,
      "count": 123
    }
  ],
  "emailsAnalyzed": 123,
  "maxEmailsCap": 123
}