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Etherscan API

by Etherscan Free tier

Ethereum explorer API

finance

Quick Reference

Base URL https://etherscan.io Auth type API Key Header Auth header Authorization: Bearer YOUR_TOKEN Rate limit 5 calls/s (free) · Higher on Pro Pricing Enterprise / contact sales Free quota None Documentation https://etherscan.io/apis Endpoint status Live — HTTP 200 — endpoint is accessible626ms (checked Mar 29, 2026) Builder score D 37% builder-friendly
Pricing
28
Latency
76
Depth
14

Authentication

See documentation for auth details

Authorization: Bearer YOUR_TOKEN

Pricing

Model subscription Starting price Enterprise / contact sales Free quota None

Free: 5 calls/s, up to 100K API calls/day. Pro from $99/mo: higher rate limits, additional endpoints, no branding. Enterprise custom.

Key Endpoints

MethodPathDescription
GET / See documentation for endpoint reference

Sample Request

curl 'https://etherscan.io'

Sample Response

{}

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