apilayer aviationstack vs Transport for Norway

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

Uptime · 30d
Uptime · 90d98.0%100%
Uptime · 30d96.7%100%
P50 · ms535432
P95 · ms11471762
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedNorwegian Licence for Open Government Data (NLOD)
Free tierFree tier — API key requiredFree — open data, no key; ET-Client-Name header requested
Rate limitUnpublishedRate-limited for unidentified consumers (no numeric threshold published)
In directory since2026-07-052026-07-05
operationalpartialdownno data

apilayer aviationstack vs Transport for Norway: common questions

Which is more reliable, apilayer aviationstack or Transport for Norway?

On our scheduled checks, Transport for Norway leads on measured uptime — apilayer aviationstack at 98.0% versus Transport for Norway at 100% 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 Transport for Norway?

Transport for Norway has the lower median latency in our checks — apilayer aviationstack responds in 535 ms versus Transport for Norway at 432 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 Transport for Norway need an API key?

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

Can I call apilayer aviationstack and Transport for Norway from the browser?

Only Transport for Norway 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 Transport for Norway free for commercial use?

apilayer aviationstack has unclear commercial terms, and Transport for Norway allows commercial use on its free tier. 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.