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Metro Lisboa vs Sabre for Developers

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

APIMetro LisboaHEALTHY82Sabre for DevelopersHEALTHY94
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms1308449
P95 · ms24591531
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Metro Lisboa vs Sabre for Developers: common questions

Which is more reliable, Metro Lisboa or Sabre for Developers?

Both are neck-and-neck — Metro Lisboa and Sabre for Developers each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Metro Lisboa or Sabre for Developers?

Sabre for Developers has the lower median latency in our checks — Metro Lisboa responds in 1308 ms versus Sabre for Developers at 449 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 Metro Lisboa and Sabre for Developers need an API key?

Metro Lisboa needs no key, while Sabre for Developers requires a free API key. If you want to start calling without signup, reach for Metro Lisboa first.

Can I call Metro Lisboa and Sabre for Developers from the browser?

Only Sabre for Developers is browser-friendly — it returns CORS headers over HTTPS. Metro Lisboa needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Metro Lisboa and Sabre for Developers free for commercial use?

Metro Lisboa has unclear commercial terms, and Sabre for Developers 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.