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Mempool API

by Mempool Free tier

Bitcoin API Service focusing on the transaction fee

finance

Quick Reference

Base URL https://mempool.space Auth type none Auth header # No auth required Rate limit See documentation Pricing Free tier available Free quota Completely free Documentation https://mempool.space/api Endpoint status Live — HTTP 200 — endpoint is accessible1.32s (checked Mar 29, 2026) Builder score C 52% builder-friendly
Pricing
90
Latency
60
Depth
18

Authentication

No authentication required

# No auth required

Pricing

Model freemium Starting price Free tier available Free quota Completely free

Free — open public API, no authentication required.

Key Endpoints

MethodPathDescription
GET / See documentation for endpoint reference

Sample Request

curl 'https://mempool.space'

Sample Response

{}

Data sourced from API Map. Always verify pricing and rate limits against the official Mempool documentation.