SLA availability (99.9 percent, three nines) to allowed downtime per day, month ...

{ "method": "GET", "queryParams": { "availability": 99.9 }, "type": "http" }

{ "example": { "allowedDowntime": [ { "downtime": "1 min 26.4 s", "downtimeSeconds": 86.39999999999048, "period": "per day" }, { "downtime": "10 min 4.8 s", "downtimeSeconds": 604.7999999999333, "period": "per week" } ], "asOf": "2026-10-11T20:19:40.493Z", "availabilityPercent": 99.9, "degraded": false, "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.", "nines": 3, "notChecked": [ "how your provider measures availability (the monitored window, partial outages, excluded maintenance and the credits the SLA actually pays)", "failure correlation: replicas in one data center share power, network and software bugs, so the parallel figure is an upper bound", "…1 more" ], "reasons": [ "Downtime = (1 - availability) x period; the year is 365 days and the month 30 days.", "Series (all must work): multiply availabilities, so the chain is weaker than its weakest link. Parallel (any one suffices): multiply unavailabilities.", "…1 more" ], "source": "computed locally", "summary": "99.9% (3 nines) allows 8 h 45 min 36 s per 365-day year, 43 min 12 s per 30-day month, 1 min 26.4 s per day.", "verdict": "STANDARD_SLA" }, "type": "json" }