Onyx Bazaar vs The Guardian

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

Uptime · 30d
Uptime · 90d100%98.0%
Uptime · 30d100%98.3%
P50 · ms607742
P95 · ms13892726
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree developer key — registration required
Rate limitUnpublished5000 calls/day (developer tier)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Onyx Bazaar vs The Guardian: common questions

Which is more reliable, Onyx Bazaar or The Guardian?

On our scheduled checks, Onyx Bazaar leads on measured uptime — Onyx Bazaar at 100% versus The Guardian at 98.0% 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, Onyx Bazaar or The Guardian?

Onyx Bazaar has the lower median latency in our checks — Onyx Bazaar responds in 607 ms versus The Guardian at 742 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 Onyx Bazaar and The Guardian need an API key?

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

Can I call Onyx Bazaar and The Guardian from the browser?

Yes — both Onyx Bazaar and The Guardian 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 Onyx Bazaar and The Guardian free for commercial use?

Onyx Bazaar has unclear commercial terms, and The Guardian 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.