PolygonScan

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