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APIs.guru vs Azure DevOps

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

APIAPIs.guruNEW—Azure DevOpsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
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?

On our scheduled checks, Azure DevOps leads on measured uptime — APIs.guru at —% versus Azure DevOps 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 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.