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.
Base URL
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no sourceAuth
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no sourceFree tier
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no sourcePricing model
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no sourcePricing
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no sourceRate limits
Higher API limits available via Mempool Enterprise (specific limits not documented on crawled pages)
mempool.space ↗OpenAPI spec
not documented null
no sourceMCP server
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no source