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The Guardian vs Yelp

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

APIThe GuardianNEW—YelpNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree developer key — registration requiredFree tier — API key required
Rate limit5000 calls/day (developer tier)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

The Guardian vs Yelp: common questions

Which is more reliable, The Guardian or Yelp?

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

Both ask you to authenticate — The Guardian uses an API key and Yelp uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call The Guardian and Yelp from the browser?

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

Are The Guardian and Yelp free for commercial use?

The Guardian has unclear commercial terms, and Yelp 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.