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Mempool vs Coinpaprika

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

APIMempoolNEW—CoinpaprikaNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (open-source project)Unverified
Free tierFree public API; no key for basic usageFree — limits not published
Rate limitEnforced — HTTP 429 on excess, repeated abuse may be banned; numeric limits unpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Mempool vs Coinpaprika: common questions

Which is more reliable, Mempool or Coinpaprika?

On our scheduled checks, Coinpaprika leads on measured uptime — Mempool at —% versus Coinpaprika 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 Mempool and Coinpaprika need an API key?

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

Can I call Mempool and Coinpaprika from the browser?

Yes — both Mempool and Coinpaprika 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 Mempool and Coinpaprika free for commercial use?

Mempool has unclear commercial terms, and Coinpaprika 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.