# Etherscan

**Canonical:** https://apis.io/providers/etherscan/  
**Website:** https://etherscan.io/  
**APIs profiled:** 7

Etherscan is the leading blockchain explorer, search, API, and analytics platform for Ethereum and other EVM-compatible chains. It allows users to easily access and explore blockchain data, including transaction histories, smart contracts, token balances, and network activity. Etherscan's unified V2 API covers 60+ chains under a single account and API key, with a free tier offering 100,000 daily calls and paid tiers up to enterprise.

## Kin Score — 38.1 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 38.1).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 55.2 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 50.0 |
| Access Clarity | 50.0 |

## Agent readiness — 34.7 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (7)

- **Etherscan Accounts API** — Address balances, transactions, and token holdings
- **Etherscan Blocks API** — Block details, rewards, and uncles
- **Etherscan Contracts API** — Smart contract source, ABI, and verification
- **Etherscan Gas Tracker API** — Network gas oracle and gas price estimates
- **Etherscan Stats API** — Network and supply statistics
- **Etherscan Tokens API** — ERC-20, ERC-721, and ERC-1155 token data
- **Etherscan Transactions API** — Transaction status and receipts

## Agentic access (1)

- **Etherscan Agentic Access** — 1 operation

## Security (3)

- **Etherscan Authentication** — apiKey · 1 scheme
- **Etherscan Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC
- **Etherscan Vulnerability Disclosure** — disclosure policy published

## Plans (1)

- **Etherscan Plans Pricing**

## Tags

Blockchain, Cryptocurrency, Ethereum, EVM, Web3

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/etherscan/). Scores are computed from the provider's own public artifacts under a published rubric.