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Shields vs SnapshotAPI

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

APIShieldsNEW—SnapshotAPINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Shields vs SnapshotAPI: common questions

Which is more reliable, Shields or SnapshotAPI?

On our scheduled checks, SnapshotAPI leads on measured uptime — Shields at —% versus SnapshotAPI 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 Shields and SnapshotAPI need an API key?

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

Can I call Shields and SnapshotAPI from the browser?

Yes — both Shields and SnapshotAPI 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 Shields and SnapshotAPI free for commercial use?

Shields has unclear commercial terms, and SnapshotAPI 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.