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Binlist vs Fed Treasury

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

APIBinlistNEW—Fed TreasuryNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedOpen U.S. Government data (public domain)
Free tierFree — no key (requires 'Accept-Version: 3' header)Free — no API key
Rate limitRate limited for unauthenticated use; exact limit unpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Binlist vs Fed Treasury: common questions

Which is more reliable, Binlist or Fed Treasury?

On our scheduled checks, Fed Treasury leads on measured uptime — Binlist at —% versus Fed Treasury 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 Binlist and Fed Treasury need an API key?

Neither needs a paid key — Binlist is callable with no signup, and Fed Treasury is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Binlist and Fed Treasury from the browser?

Neither sends browser-friendly CORS headers reliably, so call Binlist and Fed Treasury from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Binlist and Fed Treasury free for commercial use?

Binlist has unclear commercial terms, and Fed Treasury allows commercial use on its free tier. 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.