OpenCorporates vs Photon API
Same instrument, two spec sheets — measured, not claimed.
OpenCorporates vs Photon API: common questions
Which is more reliable, OpenCorporates or Photon API?
On our scheduled checks, Photon API leads on measured uptime — OpenCorporates at —% versus Photon API 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 OpenCorporates and Photon API need an API key?
Photon API needs no key, while OpenCorporates requires a free API key. If you want to start calling without signup, reach for Photon API first.
Can I call OpenCorporates and Photon API from the browser?
Only Photon API is browser-friendly — it returns CORS headers over HTTPS. OpenCorporates needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are OpenCorporates and Photon API free for commercial use?
OpenCorporates has unclear commercial terms, and Photon API 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.