MarketAux vs Microlink.io

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

Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms
P95 · ms
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedN/A — returns metadata extracted from the URL you pass
Free tierFree tier — token requiredFree tier — no key required (Pro plans need a key)
Rate limit100 requests/day on free planFree tier is rate-limited per day (see pricing)
In directory since2026-07-052026-07-05
operationalpartialdownno data

MarketAux vs Microlink.io: common questions

Which is more reliable, MarketAux or Microlink.io?

Both are neck-and-neck — MarketAux and Microlink.io 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 Microlink.io need an API key?

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

Can I call MarketAux and Microlink.io from the browser?

Only Microlink.io 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 Microlink.io free for commercial use?

MarketAux has unclear commercial terms, and Microlink.io 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.