Apimetro vs Transport for United States
Same instrument, two spec sheets — measured, not claimed.
Apimetro vs Transport for United States: common questions
Which is more reliable, Apimetro or Transport for United States?
On our scheduled checks, Transport for United States leads on measured uptime — Apimetro at 99.02% versus Transport for United States 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, Apimetro or Transport for United States?
Apimetro has the lower median latency in our checks — Apimetro responds in 649 ms versus Transport for United States at 1093 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 Apimetro and Transport for United States need an API key?
Neither needs a paid key — Apimetro is callable with no signup, and Transport for United States is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Apimetro and Transport for United States from the browser?
Yes — both Apimetro and Transport for United States send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are Apimetro and Transport for United States free for commercial use?
Apimetro has unclear commercial terms, and Transport for United States 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.