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ElonMuskAPI vs Energy-Charts API

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

APIElonMuskAPINEW—Energy-Charts APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ElonMuskAPI vs Energy-Charts API: common questions

Which is more reliable, ElonMuskAPI or Energy-Charts API?

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

Neither needs a paid key — ElonMuskAPI is callable with no signup, and Energy-Charts API is callable with no signup. Both are quick to prototype with; rate limits still apply.

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

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

Are ElonMuskAPI and Energy-Charts API free for commercial use?

ElonMuskAPI 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.