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Metro Lisboa vs Road511

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

APIMetro LisboaNEW—Road511NEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublished70 req/window · 69 remaining · resets 1783522019
In directory since2026-07-052026-07-05
operationalpartialdownno data

Metro Lisboa vs Road511: common questions

Which is more reliable, Metro Lisboa or Road511?

On our scheduled checks, Road511 leads on measured uptime — Metro Lisboa at —% versus Road511 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 Metro Lisboa and Road511 need an API key?

Metro Lisboa needs no key, while Road511 requires a free API key. If you want to start calling without signup, reach for Metro Lisboa first.

Can I call Metro Lisboa and Road511 from the browser?

Neither sends browser-friendly CORS headers reliably, so call Metro Lisboa and Road511 from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Metro Lisboa and Road511 free for commercial use?

Metro Lisboa has unclear commercial terms, and Road511 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.