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APIs.guru vs Azure DevOps

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

APIAPIs.guruHEALTHY97Azure DevOpsHEALTHY97
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms266313
P95 · ms1421869
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree and open, no keyFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

APIs.guru vs Azure DevOps: common questions

Which is more reliable, APIs.guru or Azure DevOps?

Both are neck-and-neck — APIs.guru and Azure DevOps 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 Azure DevOps?

APIs.guru has the lower median latency in our checks — APIs.guru responds in 266 ms versus Azure DevOps at 313 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 Azure DevOps need an API key?

APIs.guru needs no key, while Azure DevOps requires a free API key. If you want to start calling without signup, reach for APIs.guru first.

Can I call APIs.guru and Azure DevOps from the browser?

Only APIs.guru is browser-friendly — it returns CORS headers over HTTPS. Azure DevOps needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are APIs.guru and Azure DevOps free for commercial use?

APIs.guru has unclear commercial terms, and Azure DevOps 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.