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Smartcar vs Transport for Sweden

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

APISmartcarNEW—Transport for SwedenNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublished60 req/window · 58 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

Smartcar vs Transport for Sweden: common questions

Which is more reliable, Smartcar or Transport for Sweden?

On our scheduled checks, Transport for Sweden leads on measured uptime — Smartcar at —% versus Transport for Sweden 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 Smartcar and Transport for Sweden need an API key?

Both ask you to authenticate — Smartcar uses an API key and Transport for Sweden uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Smartcar and Transport for Sweden from the browser?

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

Are Smartcar and Transport for Sweden free for commercial use?

Smartcar has unclear commercial terms, and Transport for Sweden 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.