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Shields vs ShopSavvy

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

APIShieldsNEW—ShopSavvyNEW—
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 ShopSavvy: common questions

Which is more reliable, Shields or ShopSavvy?

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

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

Can I call Shields and ShopSavvy from the browser?

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

Shields has unclear commercial terms, and ShopSavvy 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.