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Data Dragon API vs openFDA API

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

APIData Dragon APIHEALTHY99openFDA APIHEALTHY88
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms153806
P95 · ms14281868
Authnonenone
CORSyesno
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

Data Dragon API vs openFDA API: common questions

Which is more reliable, Data Dragon API or openFDA API?

Both are neck-and-neck — Data Dragon API and openFDA API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Data Dragon API or openFDA API?

Data Dragon API has the lower median latency in our checks — Data Dragon API responds in 153 ms versus openFDA API at 806 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 Data Dragon API and openFDA API need an API key?

Neither needs a paid key — Data Dragon API 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 Data Dragon API and openFDA API from the browser?

Only Data Dragon API is browser-friendly — it returns CORS headers over HTTPS. openFDA API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Data Dragon API and openFDA API free for commercial use?

Data Dragon API 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.