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