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0x vs CryptoLabel API

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

API0xNEW—CryptoLabel APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

0x vs CryptoLabel API: common questions

Which is more reliable, 0x or CryptoLabel API?

On our scheduled checks, CryptoLabel API leads on measured uptime — 0x at —% versus CryptoLabel API 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 0x and CryptoLabel API need an API key?

Neither needs a paid key — 0x is callable with no signup, and CryptoLabel API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call 0x and CryptoLabel API from the browser?

Yes — both 0x and CryptoLabel API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are 0x and CryptoLabel API free for commercial use?

0x has unclear commercial terms, and CryptoLabel API 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.