Mempool.space API
Open-source Bitcoin mempool and blockchain explorer API with fee estimates, block data, and transaction tracking.
Status
🟡 Unknown
🟡 Unknown
30-day uptime
collecting…
collecting…
Free tier
Unlimited, no key, no credit card
Unlimited, no key, no credit card
Auth
No key required
No key required
Free alternatives (live ranking)
- Coinpaprika — 🟡 Unknown · 25,000 calls/month, no key, no credit card
- CoinLore — 🟡 Unknown · Unlimited (rate-limited), no key, no credit card
- Binance Public API — 🟡 Unknown · 1,200 requests/min, no key for public data