The Guardian vs Wikipedia REST

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC BY-SA 4.0
Free tierFree developer key — registration requiredUnlimited within etiquette
Rate limit5000 calls/day (developer tier)200/sec global courtesy cap
In directory since2026-07-052026-05-09
operationalpartialdownno data

The Guardian vs Wikipedia REST: common questions

Which is more reliable, The Guardian or Wikipedia REST?

On our scheduled checks, Wikipedia REST leads on measured uptime — The Guardian at —% versus Wikipedia REST 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 The Guardian and Wikipedia REST need an API key?

Wikipedia REST needs no key, while The Guardian requires a free API key. If you want to start calling without signup, reach for Wikipedia REST first.

Can I call The Guardian and Wikipedia REST from the browser?

Yes — both The Guardian 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 The Guardian and Wikipedia REST free for commercial use?

The Guardian 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.