# Etherscan API **Provider:** Etherscan **Category:** finance **Base URL:** `https://etherscan.io` **Auth:** api-key โ€” `Authorization: Bearer YOUR_TOKEN` **Rate Limit:** 5 calls/s (free) ยท Higher on Pro **Free Tier:** Yes โ€” available **Pricing:** Enterprise / contact sales (subscription) **Docs:** https://etherscan.io/apis ## Description Ethereum explorer API ## Endpoints | Method | Endpoint | Description | |--------|----------|-------------| | GET | `https://etherscan.io/` | See documentation for endpoint reference | ## Authentication See documentation for auth details ``` Authorization: Bearer YOUR_TOKEN ``` ## Sample Request ```bash curl 'https://etherscan.io' ``` ## Sample Response ```json {} ``` ## Pricing Details Free: 5 calls/s, up to 100K API calls/day. Pro from $99/mo: higher rate limits, additional endpoints, no branding. Enterprise custom. --- *Source: [API Map](https://apimap.dev/apis/etherscan/) โ€” CC BY 4.0*