name: PolygonScan
description: PolygonScan is the leading blockchain explorer, search, API, and analytics platform for the Polygon PoS network. It provides a REST API for querying transactions, token transfers, smart contract source code, ERC-20/ERC-721/ERC-1155 balances, gas prices, and network statistics on the Polygon blockchain (Chain ID 137). API access is unified under Etherscan API V2, enabling access with a single API key across 60+ EVM-compatible chains.
image: https://polygonscan.com/images/svg/brands/main.svg?v=24.1.2.0
tags:
  - Blockchain
  - Polygon
  - Explorer
  - Web3
  - EVM
  - Smart Contracts
  - DeFi
  - Cryptocurrency
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
apis:
  - name: PolygonScan API
    description: REST API for querying Polygon PoS blockchain data including account balances, transactions, token transfers, smart contract source code and ABI, event logs, gas prices, and network statistics via Etherscan V2 unified endpoint with chainid 137.
    humanURL: https://polygonscan.com/apis
    baseURL: https://api.etherscan.io/v2/api
    tags:
      - Blockchain
      - Polygon
      - Transactions
      - Tokens
      - Smart Contracts
      - Gas Tracker
      - Event Logs
      - Statistics
    properties:
      - type: Documentation
        url: https://docs.etherscan.io/etherscan-v2
      - type: OpenAPI
        url: openapi/openapi.json
      - type: Authentication
        url: https://polygonscan.com/myapikey
      - type: RateLimits
        url: https://info.polygonscan.com/api-return-errors/
      - type: Plans
        url: https://polygonscan.com/apis
      - type: TermsOfService
        url: https://polygonscan.com/apiterms
      - type: x-plans
        url: plans/plans.yml
      - type: x-rate-limits
        url: rate-limits/rate-limits.yml
      - type: x-finops
        url: finops/finops.yml
      - type: x-json-schema
        url: json-schema/api-response.json
      - type: x-json-ld
        url: json-ld/jsonld.json
    contact:
      - FN: PolygonScan Support
        email: apisupport@etherscan.io
    x-chainId: 137
    x-network: Polygon PoS
    x-legacyBaseURL: https://api.polygonscan.com/api
    x-v2BaseURL: https://api.etherscan.io/v2/api
    x-testnetBaseURL: https://api-amoy.polygonscan.com/api
    x-testnetChainId: 80002

common:
  - type: Website
    url: https://polygonscan.com/
  - type: Documentation
    url: https://docs.etherscan.io/etherscan-v2
  - type: Signup
    url: https://polygonscan.com/register
  - type: Login
    url: https://polygonscan.com/login
  - type: Blog
    url: https://polygonscan.com/blogs
  - type: Status
    url: https://etherscan.freshstatus.io/
  - type: Terms
    url: https://polygonscan.com/terms
  - type: Privacy
    url: https://polygonscan.com/privacypolicy
  - type: Contact
    url: https://polygonscan.com/contactus
  - type: Twitter
    url: https://twitter.com/polygonscan