Aare.guru API vs openSenseMap
Same instrument, two spec sheets — measured, not claimed.
Aare.guru API vs openSenseMap: common questions
Which is more reliable, Aare.guru API or openSenseMap?
On our scheduled checks, Aare.guru API leads on measured uptime — Aare.guru API at 100% versus openSenseMap at 90.2% 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, Aare.guru API or openSenseMap?
openSenseMap has the lower median latency in our checks — Aare.guru API responds in 1025 ms versus openSenseMap at 655 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 Aare.guru API and openSenseMap need an API key?
Neither needs a paid key — Aare.guru API is callable with no signup, and openSenseMap is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Aare.guru API and openSenseMap from the browser?
Yes — both Aare.guru API and openSenseMap 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 Aare.guru API and openSenseMap free for commercial use?
Aare.guru API has unclear commercial terms, and openSenseMap 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.