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apilayer aviationstack vs OpenVan

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

APIapilayer aviationstackUNMONITORED—OpenVanNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — no auth
Rate limitUnpublished120 req/window · 119 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

apilayer aviationstack vs OpenVan: common questions

Which is more reliable, apilayer aviationstack or OpenVan?

Only OpenVan is on our probe schedule so far (—% uptime over 90 days). The other is catalogued but not yet live-checked, so we can't compare measured reliability head-to-head — check the uncovered API's own status page for now.

Do apilayer aviationstack and OpenVan need an API key?

OpenVan needs no key, while apilayer aviationstack requires a free API key. If you want to start calling without signup, reach for OpenVan first.

Can I call apilayer aviationstack and OpenVan from the browser?

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

Are apilayer aviationstack and OpenVan free for commercial use?

apilayer aviationstack has unclear commercial terms, and OpenVan 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.