CarAPI vs GraphHopper
Same instrument, two spec sheets — measured, not claimed.
CarAPI vs GraphHopper: common questions
Which is more reliable, CarAPI or GraphHopper?
On our scheduled checks, GraphHopper leads on measured uptime — CarAPI at —% versus GraphHopper 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 CarAPI and GraphHopper need an API key?
Both ask you to authenticate — CarAPI uses an API key and GraphHopper 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 CarAPI and GraphHopper from the browser?
Only GraphHopper is browser-friendly — it returns CORS headers over HTTPS. CarAPI needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are CarAPI and GraphHopper free for commercial use?
CarAPI has unclear commercial terms, and GraphHopper 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.