GraphHopper vs Road511
Same instrument, two spec sheets — measured, not claimed.
GraphHopper vs Road511: common questions
Which is more reliable, GraphHopper or Road511?
On our scheduled checks, Road511 leads on measured uptime — GraphHopper at 0.0% versus Road511 at 27.5% 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 GraphHopper and Road511 need an API key?
Both ask you to authenticate — GraphHopper uses an API key and Road511 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 GraphHopper and Road511 from the browser?
Yes — both GraphHopper and Road511 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 GraphHopper and Road511 free for commercial use?
GraphHopper 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.