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ElonMuskAPI vs MarketAux

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

APIElonMuskAPINEW—MarketAuxNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — token required
Rate limitUnpublished100 requests/day on free plan
In directory since2026-07-052026-07-05
operationalpartialdownno data

ElonMuskAPI vs MarketAux: common questions

Which is more reliable, ElonMuskAPI or MarketAux?

On our scheduled checks, MarketAux leads on measured uptime — ElonMuskAPI at —% versus MarketAux 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 MarketAux need an API key?

ElonMuskAPI needs no key, while MarketAux requires a free API key. If you want to start calling without signup, reach for ElonMuskAPI first.

Can I call ElonMuskAPI and MarketAux from the browser?

Only MarketAux 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 MarketAux free for commercial use?

ElonMuskAPI has unclear commercial terms, and MarketAux 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.