PolygonScan
Block explorer for Polygon PoS built by the Etherscan team, sharing Etherscan's multichain API plans.
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PolygonScan key facts
| Category | Block explorer |
|---|---|
| Chains | Polygon PoS |
| Platforms | Web, API |
| Company | Etherscan (Built by Team Etherscan) |
| Chains | Polygon Mainnet, Amoy Testnet |
| Pricing | Lite $49/mo, Standard $199/mo, Advanced $299/mo, Professional $399/mo, Pro Plus $899/mo |
| Free plan | 3 calls/sec, up to 100,000 calls/day, attribution required; Polygon Mainnet included |
| US availability | Available: terms name no country restrictions |
What is PolygonScan?
PolygonScan is a block explorer and analytics site for Polygon PoS (chain ID 137), built by Team Etherscan. It shows Plasma deposits, cross-chain transactions and AA transactions, and its API runs on Etherscan API V2, where Polygon is covered by the free tier of 3 calls per second.
How PolygonScan works
PolygonScan indexes Polygon PoS mainnet and the Amoy testnet.
Its menus list pending transactions, internal contract calls, cross-chain transactions, Plasma deposit transactions, AA transactions and EIP-7702 authorizations, next to verified contracts, top ERC-20 tokens, NFT mints and a gas tracker. Developer tools copy the Etherscan set: Input Data Encoder and Decoder, Verify Contract, Similar Contract Search, Contract Diff Checker, the Vyper Online Compiler and a token approvals checker.
Programmatic access runs through Etherscan API V2 at api.etherscan.io with chainid=137 for Polygon Mainnet or 80002 for Amoy. Etherscan's supported chains list marks both as available on the free tier, so one free key covers Polygon along with Ethereum, Arbitrum, Linea and the other free chains. Both networks sit in the chain switcher at the top of every page, and the same key and endpoint serve Ethereum.
How to start with PolygonScan
- No account is needed to search an address, transaction hash or block.
- For API access, register on etherscan.io, create a key in the API dashboard and call the V2 endpoint with chainid=137.
- Free keys allow 3 calls per second and up to 100,000 calls a day, counted across all your keys, and require attribution to Etherscan.
- Keep the key in an environment variable or secrets manager, as the docs advise, and do not ship it in browser code.
PolygonScan fees and limits
- Paid Etherscan plans raise limits: Lite $49 a month (5 calls per second), Standard $199 (10 calls per second, PRO endpoints), Advanced $299, Professional $399 and Pro Plus $899, which adds the Address Metadata endpoint.
- Quarterly billing saves 10% and yearly billing 15%.
PolygonScan data is free on the web and on the API free tier.
Risks to know before using PolygonScan
- The explorer only reads chain data and holds no funds.
- Etherscan's terms, updated August 13, 2026, exclude liability for losses from phishing, mistyped addresses and incorrectly built transactions, and ban scraping outside search indexing and reuse of public labels or API data without consent.
- The About us link on the PolygonScan site returned a notice that the feature is not available when we checked, so company details here come from the page footer, which reads Built by Team Etherscan.
PolygonScan alternatives
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Where PolygonScan ranks on DappAtlas
Listed next to PolygonScan
PolygonScan pros and cons
- Polygon Mainnet is on the Etherscan API free tier: 3 calls/sec, up to 100,000 calls/day
- Shows Plasma deposits, cross-chain and AA transactions
- One Etherscan API key covers Polygon and other chains
- API Pro endpoints start at the $199/month Standard plan
- Free API tier requires attribution
- Covers Polygon PoS and Amoy testnet only
PolygonScan FAQ
What is PolygonScan?
PolygonScan is a block explorer and analytics site for Polygon PoS (chain ID 137), built by Team Etherscan. It shows Plasma deposits, cross-chain transactions and AA transactions, and its API runs on Etherscan API V2, where Polygon is covered by the free tier of 3 calls per second.
Which chains does PolygonScan support?
Polygon PoS.
How much does PolygonScan cost?
Lite $49/mo, Standard $199/mo, Advanced $299/mo, Professional $399/mo, Pro Plus $899/mo, according to PolygonScan’s own page (checked Sep 26, 2026). Free plan: 3 calls/sec, up to 100,000 calls/day, attribution required; Polygon Mainnet included.
Is PolygonScan available in the US?
Available: terms name no country restrictions, according to PolygonScan’s own page (checked Sep 26, 2026).
Sources
How this page works
Sources: PolygonScan: official site, PolygonScan: Homepage, PolygonScan: API pricing. Data as of Sep 26, 2026.
Not affiliated with any project listed. Educational content, not financial advice.