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apilayer aviationstack vs BVG transport.rest

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

APIapilayer aviationstackHEALTHY92BVG transport.restDYING67
Uptime · 30d
Uptime · 90d98.0%71.6%
Uptime · 30d96.7%66.7%
P50 · ms5351106
P95 · ms11474431
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

apilayer aviationstack vs BVG transport.rest: common questions

Which is more reliable, apilayer aviationstack or BVG transport.rest?

On our scheduled checks, apilayer aviationstack leads on measured uptime — apilayer aviationstack at 98.0% versus BVG transport.rest at 71.6% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, apilayer aviationstack or BVG transport.rest?

apilayer aviationstack has the lower median latency in our checks — apilayer aviationstack responds in 535 ms versus BVG transport.rest at 1106 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 apilayer aviationstack and BVG transport.rest need an API key?

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

Can I call apilayer aviationstack and BVG transport.rest from the browser?

Only BVG transport.rest 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 BVG transport.rest free for commercial use?

apilayer aviationstack has unclear commercial terms, and BVG transport.rest 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.