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Abstract API vs Azure DevOps

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

APIAbstract APINEW—Azure DevOpsNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Abstract API vs Azure DevOps: common questions

Which is more reliable, Abstract API or Azure DevOps?

On our scheduled checks, Azure DevOps leads on measured uptime — Abstract API 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 Abstract API and Azure DevOps need an API key?

Both ask you to authenticate — Abstract API uses an API key and Azure DevOps uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Abstract API and Azure DevOps from the browser?

Only Abstract API 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 Abstract API and Azure DevOps free for commercial use?

Abstract API 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.