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MarketAux vs SnapshotAPI

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

APIMarketAuxDEAD0SnapshotAPIDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — token requiredFree tier — API key required
Rate limit100 requests/day on free planUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

MarketAux vs SnapshotAPI: common questions

Which is more reliable, MarketAux or SnapshotAPI?

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

Both ask you to authenticate — MarketAux uses an API key and SnapshotAPI 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 MarketAux and SnapshotAPI from the browser?

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

Are MarketAux and SnapshotAPI free for commercial use?

MarketAux has unclear commercial terms, and SnapshotAPI 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.