Etherscan

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.

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BlockchainCryptocurrencyEthereumEVMWeb3

APIs

Etherscan API

Etherscan API V2 provides unified access to blockchain data across Ethereum and 60+ EVM-compatible chains, including transactions, addresses, blocks, smart contracts, token tran...

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Etherscan API

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Pricing Plans

Etherscan Plans Pricing

3 plans

PLANS

Rate Limits

Etherscan Rate Limits

5 limits

RATE LIMITS

FinOps

Etherscan Finops

FINOPS

Resources

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GitHubOrganization

Sources

opencollection: 1.0.0
info:
  name: Etherscan API
  version: '2.0'
request:
  auth:
    type: apikey
    key: apikey
    value: '{{apikey}}'
    placement: query
items:
- info:
    name: Accounts
    type: folder
  items:
  - info:
      name: Unified API endpoint
      type: http
    http:
      method: GET
      url: https://api.etherscan.io/v2/api/
      params:
      - name: chainid
        value: ''
        type: query
        description: Numeric chain ID (e.g. 1 for Ethereum mainnet, 56 for BNB Smart Chain, 8453 for Base).
      - name: module
        value: ''
        type: query
        description: API module (account, contract, transaction, block, stats, gastracker, token).
      - name: action
        value: ''
        type: query
        description: Action within the module (e.g. balance, txlist, tokenbalance, getabi).
      - name: address
        value: ''
        type: query
        description: Ethereum address for account or token operations.
      - name: contractaddress
        value: ''
        type: query
        description: Smart contract address for token or contract operations.
      - name: startblock
        value: ''
        type: query
      - name: endblock
        value: ''
        type: query
      - name: page
        value: ''
        type: query
      - name: offset
        value: ''
        type: query
      - name: sort
        value: ''
        type: query
      - name: tag
        value: ''
        type: query
        description: Block tag (latest, earliest, pending) or block number.
    docs: All Etherscan API V2 calls are issued against the same endpoint, with the `module`, `action`, and `chainid` query
      parameters selecting the operation and target chain.
bundled: true