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Covid Tracking Project vs Healthcare.gov

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

APICovid Tracking ProjectHEALTHY98Healthcare.govHEALTHY92
Uptime · 30d
Uptime · 90d100%96.1%
Uptime · 30d100%93.3%
P50 · ms237420
P95 · ms6121696
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesyes
Data licenseCC BY 4.0U.S. Government content (CMS)
Free tierFree — no key required (archived dataset)Free — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Covid Tracking Project vs Healthcare.gov: common questions

Which is more reliable, Covid Tracking Project or Healthcare.gov?

On our scheduled checks, Covid Tracking Project leads on measured uptime — Covid Tracking Project at 100% versus Healthcare.gov at 96.1% 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 Tracking Project or Healthcare.gov?

Covid Tracking Project has the lower median latency in our checks — Covid Tracking Project responds in 237 ms versus Healthcare.gov at 420 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 Tracking Project and Healthcare.gov need an API key?

Neither needs a paid key — Covid Tracking Project is callable with no signup, and Healthcare.gov is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Covid Tracking Project and Healthcare.gov from the browser?

Only Covid Tracking Project is browser-friendly — it returns CORS headers over HTTPS. Healthcare.gov needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Covid Tracking Project and Healthcare.gov free for commercial use?

Covid Tracking Project allows commercial use on its free tier, and Healthcare.gov allows commercial use on its free tier. 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.