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Blockchain vs PumpFunData

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

APIBlockchainNEW—PumpFunDataNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Blockchain vs PumpFunData: common questions

Which is more reliable, Blockchain or PumpFunData?

On our scheduled checks, PumpFunData leads on measured uptime — Blockchain 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 Blockchain and PumpFunData need an API key?

Both ask you to authenticate — Blockchain uses an API key and PumpFunData uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Blockchain and PumpFunData from the browser?

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

Are Blockchain and PumpFunData free for commercial use?

Blockchain 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.