shipapis
StarSubmit an APISubmit API

HasData: Structured Web Data APIs vs Shields

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

APIHasData: Structured Web Data APIsNEW—ShieldsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

HasData: Structured Web Data APIs vs Shields: common questions

Which is more reliable, HasData: Structured Web Data APIs or Shields?

On our scheduled checks, Shields leads on measured uptime — HasData: Structured Web Data APIs at —% versus Shields 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 HasData: Structured Web Data APIs and Shields need an API key?

Shields needs no key, while HasData: Structured Web Data APIs requires a free API key. If you want to start calling without signup, reach for Shields first.

Can I call HasData: Structured Web Data APIs and Shields from the browser?

Yes — both HasData: Structured Web Data APIs and Shields 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 HasData: Structured Web Data APIs and Shields free for commercial use?

HasData: Structured Web Data APIs has unclear commercial terms, and Shields 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.