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IBANforge vs Marketstack

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

APIIBANforgeNEW—MarketstackNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tier200 requests/month with a free API key; /v1/demo and /health are keylessFree tier — key may be required
Rate limitUnpublished (200/month free quota)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

IBANforge vs Marketstack: common questions

Which is more reliable, IBANforge or Marketstack?

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

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

Can I call IBANforge and Marketstack from the browser?

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

Are IBANforge and Marketstack free for commercial use?

IBANforge has unclear commercial terms, and Marketstack 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.