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COVID-19 Tracker Sri Lanka vs openFDA API

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

APICOVID-19 Tracker Sri LankaNEW—openFDA APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

COVID-19 Tracker Sri Lanka vs openFDA API: common questions

Which is more reliable, COVID-19 Tracker Sri Lanka or openFDA API?

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

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

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

Can I call COVID-19 Tracker Sri Lanka and openFDA API from the browser?

Neither sends browser-friendly CORS headers reliably, so call COVID-19 Tracker Sri Lanka and openFDA API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are COVID-19 Tracker Sri Lanka and openFDA API free for commercial use?

COVID-19 Tracker Sri Lanka has unclear commercial terms, and openFDA API 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.