CarVector vs Transport for Philadelphia, US

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms547714
P95 · ms18244585
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CarVector vs Transport for Philadelphia, US: common questions

Which is more reliable, CarVector or Transport for Philadelphia, US?

Both are neck-and-neck — CarVector and Transport for Philadelphia, US 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, CarVector or Transport for Philadelphia, US?

CarVector has the lower median latency in our checks — CarVector responds in 547 ms versus Transport for Philadelphia, US at 714 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 CarVector and Transport for Philadelphia, US need an API key?

Transport for Philadelphia, US needs no key, while CarVector requires a free API key. If you want to start calling without signup, reach for Transport for Philadelphia, US first.

Can I call CarVector and Transport for Philadelphia, US from the browser?

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

Are CarVector and Transport for Philadelphia, US free for commercial use?

CarVector has unclear commercial terms, and Transport for Philadelphia, US 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.