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MarketAux vs SnapshotAPI

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

APIMarketAuxDEAD0SnapshotAPIDEAD0
Uptime · 30d
Uptime · 90d0.0%6.9%
Uptime · 30d0.0%0.0%
P50 · ms—396
P95 · ms—547
AuthapiKeyapiKey
CORSnono
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?

On our scheduled checks, SnapshotAPI leads on measured uptime — MarketAux at 0.0% versus SnapshotAPI at 6.9% 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 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?

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

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.