Best Buy vs Energy-Charts API

Same instrument, two spec sheets — measured, not claimed.

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Best Buy vs Energy-Charts API: common questions

Which is more reliable, Best Buy or Energy-Charts API?

On our scheduled checks, Energy-Charts API leads on measured uptime — Best Buy 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 Best Buy and Energy-Charts API need an API key?

Energy-Charts API needs no key, while Best Buy requires a free API key. If you want to start calling without signup, reach for Energy-Charts API first.

Can I call Best Buy and Energy-Charts API from the browser?

Only Energy-Charts API is browser-friendly — it returns CORS headers over HTTPS. Best Buy needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Best Buy and Energy-Charts API free for commercial use?

Best Buy 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.