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0x vs PumpFunData

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

API0xNEW—PumpFunDataNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

0x vs PumpFunData: common questions

Which is more reliable, 0x or PumpFunData?

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

0x needs no key, while PumpFunData requires a free API key. If you want to start calling without signup, reach for 0x first.

Can I call 0x and PumpFunData from the browser?

Only 0x is browser-friendly — it returns CORS headers over HTTPS. PumpFunData needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are 0x and PumpFunData free for commercial use?

0x has unclear commercial terms, and PumpFunData 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.