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Binlist vs Tax Data

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

APIBinlistNEW—Tax DataNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key (requires 'Accept-Version: 3' header)Free tier — API key required
Rate limitRate limited for unauthenticated use; exact limit unpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Binlist vs Tax Data: common questions

Which is more reliable, Binlist or Tax Data?

On our scheduled checks, Tax Data leads on measured uptime — Binlist at —% versus Tax Data 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 Tax Data need an API key?

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

Can I call Binlist and Tax Data from the browser?

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

Are Binlist and Tax Data free for commercial use?

Binlist has unclear commercial terms, and Tax Data 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.