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MarketAux vs NoSQLBooster API

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

APIMarketAuxNEW—NoSQLBooster APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — token requiredFree — limits not published
Rate limit100 requests/day on free planUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

MarketAux vs NoSQLBooster API: common questions

Which is more reliable, MarketAux or NoSQLBooster API?

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

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

Can I call MarketAux and NoSQLBooster API from the browser?

Yes — both MarketAux and NoSQLBooster API 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 MarketAux and NoSQLBooster API free for commercial use?

MarketAux has unclear commercial terms, and NoSQLBooster API 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.