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COVID-19 Tracker Sri Lanka vs Open Disease

Same instrument, two spec sheets — measured, not claimed.

APICOVID-19 Tracker Sri LankaHEALTHY79Open DiseaseHEALTHY94
Uptime · 30d
Uptime · 90d98.0%99.02%
Uptime · 30d96.7%98.3%
P50 · ms1439451
P95 · ms45481226
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (sources vary; see project repo)
Free tierFree — limits not publishedFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

COVID-19 Tracker Sri Lanka vs Open Disease: common questions

Which is more reliable, COVID-19 Tracker Sri Lanka or Open Disease?

On our scheduled checks, Open Disease leads on measured uptime — COVID-19 Tracker Sri Lanka at 98.0% versus Open Disease at 99.02% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, COVID-19 Tracker Sri Lanka or Open Disease?

Open Disease has the lower median latency in our checks — COVID-19 Tracker Sri Lanka responds in 1439 ms versus Open Disease at 451 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do COVID-19 Tracker Sri Lanka and Open Disease need an API key?

Neither needs a paid key — COVID-19 Tracker Sri Lanka is callable with no signup, and Open Disease is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call COVID-19 Tracker Sri Lanka and Open Disease from the browser?

Only Open Disease is browser-friendly — it returns CORS headers over HTTPS. COVID-19 Tracker Sri Lanka needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are COVID-19 Tracker Sri Lanka and Open Disease free for commercial use?

COVID-19 Tracker Sri Lanka has unclear commercial terms, and Open Disease has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.