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Buddy vs MarketAux

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

APIBuddyDEAD0MarketAuxDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesyes
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

Buddy vs MarketAux: common questions

Which is more reliable, Buddy or MarketAux?

Both are neck-and-neck — Buddy 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 Buddy and MarketAux need an API key?

Both ask you to authenticate — Buddy 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 Buddy and MarketAux from the browser?

Yes — both Buddy and MarketAux send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Buddy and MarketAux free for commercial use?

Buddy 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.