CoinDCX vs Mempool

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

Uptime · 30d
Uptime · 90d94.1%86.3%
Uptime · 30d100%90.0%
P50 · ms190100
P95 · ms8772258
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified (open-source project)
Free tierFree tier — API key requiredFree public API; no key for basic usage
Rate limitUnpublishedEnforced — HTTP 429 on excess, repeated abuse may be banned; numeric limits unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CoinDCX vs Mempool: common questions

Which is more reliable, CoinDCX or Mempool?

On our scheduled checks, CoinDCX leads on measured uptime — CoinDCX at 94.1% versus Mempool at 86.3% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, CoinDCX or Mempool?

Mempool has the lower median latency in our checks — CoinDCX responds in 190 ms versus Mempool at 100 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do CoinDCX and Mempool need an API key?

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

Can I call CoinDCX and Mempool from the browser?

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

Are CoinDCX and Mempool free for commercial use?

CoinDCX has unclear commercial terms, and Mempool 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.