API Terms/Crypto & Blockchain/Mempool.space API

Mempool.space API

mempool.space

Provides REST, WebSocket, and Electrum RPC APIs for querying Bitcoin mempool data, transactions, blocks, addresses, and fee estimates.

The Mempool.space API API rate limits: Higher API limits available via Mempool Enterprise (specific limits not documented on crawled pages). Verified 2026-07-26 with per-field source links.

Crypto & Blockchain Verified 2026-07-26 low confidence
Base URL
not documented null
no source
Auth
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no source
Free tier
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Pricing model
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Pricing
not documented null
no source
Rate limits
Higher API limits available via Mempool Enterprise (specific limits not documented on crawled pages)
mempool.space ↗
OpenAPI spec
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no source
MCP server
not documented null
no source