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NoSQLBooster API vs The Guardian

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

APINoSQLBooster APIHEALTHY94The GuardianDEAD0
Uptime · 30d
Uptime · 90d100%50.6%
Uptime · 30d100%0.0%
P50 · ms324517
P95 · ms21262726
AuthnoneapiKey
CORSyesno
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

NoSQLBooster API vs The Guardian: common questions

Which is more reliable, NoSQLBooster API or The Guardian?

On our scheduled checks, NoSQLBooster API leads on measured uptime — NoSQLBooster API at 100% versus The Guardian at 50.6% 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, NoSQLBooster API or The Guardian?

NoSQLBooster API has the lower median latency in our checks — NoSQLBooster API responds in 324 ms versus The Guardian at 517 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 NoSQLBooster API and The Guardian need an API key?

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

Can I call NoSQLBooster API and The Guardian from the browser?

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

Are NoSQLBooster API and The Guardian free for commercial use?

NoSQLBooster API 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.