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Best Buy vs MarketAux

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

APIBest BuyDEAD0MarketAuxDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — token required
Rate limitUnpublished100 requests/day on free plan
In directory since2026-07-052026-07-05
operationalpartialdownno data

Best Buy vs MarketAux: common questions

Which is more reliable, Best Buy or MarketAux?

Both are neck-and-neck — Best Buy and MarketAux each measure 0.0% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Do Best Buy and MarketAux need an API key?

Both ask you to authenticate — Best Buy uses an API key and MarketAux uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Best Buy and MarketAux from the browser?

Neither sends browser-friendly CORS headers reliably, so call Best Buy and MarketAux from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Best Buy and MarketAux free for commercial use?

Best Buy 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.