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HasData: Structured Web Data APIs vs Wikipedia REST

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

APIHasData: Structured Web Data APIsHEALTHY70Wikipedia RESTHEALTHY99
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms76898
P95 · ms1464961
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC BY-SA 4.0
Free tierFree tier — API key requiredUnlimited within etiquette
Rate limitUnpublished200/sec global courtesy cap
In directory since2026-07-052026-05-09
operationalpartialdownno data

HasData: Structured Web Data APIs vs Wikipedia REST: common questions

Which is more reliable, HasData: Structured Web Data APIs or Wikipedia REST?

Both are neck-and-neck — HasData: Structured Web Data APIs and Wikipedia REST 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, HasData: Structured Web Data APIs or Wikipedia REST?

Wikipedia REST has the lower median latency in our checks — HasData: Structured Web Data APIs responds in 768 ms versus Wikipedia REST at 98 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 HasData: Structured Web Data APIs and Wikipedia REST need an API key?

Wikipedia REST needs no key, while HasData: Structured Web Data APIs requires a free API key. If you want to start calling without signup, reach for Wikipedia REST first.

Can I call HasData: Structured Web Data APIs and Wikipedia REST from the browser?

Yes — both HasData: Structured Web Data APIs and Wikipedia REST send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are HasData: Structured Web Data APIs and Wikipedia REST free for commercial use?

HasData: Structured Web Data APIs has unclear commercial terms, and Wikipedia REST 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.