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IBM X-Force Exchange API vs MarketAux

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

APIIBM X-Force Exchange APIHEALTHY96MarketAuxDEAD0
Uptime · 30d
Uptime · 90d98.0%0.0%
Uptime · 30d98.3%0.0%
P50 · ms238—
P95 · ms868—
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — token required
Rate limitUnpublished100 requests/day on free plan
In directory since2026-07-052026-07-05
operationalpartialdownno data

IBM X-Force Exchange API vs MarketAux: common questions

Which is more reliable, IBM X-Force Exchange API or MarketAux?

On our scheduled checks, IBM X-Force Exchange API leads on measured uptime — IBM X-Force Exchange API at 98.0% versus MarketAux at 0.0% 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 IBM X-Force Exchange API and MarketAux need an API key?

Both ask you to authenticate — IBM X-Force Exchange API uses an API key and MarketAux 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 IBM X-Force Exchange API and MarketAux from the browser?

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

Are IBM X-Force Exchange API and MarketAux free for commercial use?

IBM X-Force Exchange API has unclear commercial terms, and MarketAux 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.