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MarketAux vs Open Data Minneapolis

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

APIMarketAuxDEAD0Open Data MinneapolisHEALTHY87
Uptime · 30d
Uptime · 90d0.0%99.02%
Uptime · 30d0.0%98.3%
P50 · ms—817
P95 · ms—3677
AuthapiKeynone
CORSnoyes
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 Open Data Minneapolis: common questions

Which is more reliable, MarketAux or Open Data Minneapolis?

On our scheduled checks, Open Data Minneapolis leads on measured uptime — MarketAux at 0.0% versus Open Data Minneapolis at 99.02% 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 Open Data Minneapolis need an API key?

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

Can I call MarketAux and Open Data Minneapolis from the browser?

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

Are MarketAux and Open Data Minneapolis free for commercial use?

MarketAux has unclear commercial terms, and Open Data Minneapolis 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.