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APIs.guru vs Global Shark Attack API

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

APIAPIs.guruHEALTHY97Global Shark Attack APIHEALTHY91
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms266719
P95 · ms14211794
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree and open, no keyFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

APIs.guru vs Global Shark Attack API: common questions

Which is more reliable, APIs.guru or Global Shark Attack API?

Both are neck-and-neck — APIs.guru and Global Shark Attack API each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, APIs.guru or Global Shark Attack API?

APIs.guru has the lower median latency in our checks — APIs.guru responds in 266 ms versus Global Shark Attack API at 719 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 APIs.guru and Global Shark Attack API need an API key?

Neither needs a paid key — APIs.guru is callable with no signup, and Global Shark Attack API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call APIs.guru and Global Shark Attack API from the browser?

Yes — both APIs.guru and Global Shark Attack API 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 APIs.guru and Global Shark Attack API free for commercial use?

APIs.guru has unclear commercial terms, and Global Shark Attack API 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.