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Polygon PoS ERC-20 Token Due-Diligence Snapshot
x402
Polygon PoS ERC-20 Token Due-Diligence Snapshot is a paid API for AI agents from ca-tax-api-mainnet.lxtap.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-23).
Returns a comprehensive due-diligence snapshot of an ERC-20 token on Polygon PoS, including metadata, ownership, proxy/upgradeability status, risky owner-only functions, and live USD price/liquidity/FDV from Uniswap v3.
Price / call$0.01
Success—
StatusUnknown
How this service works
Pay-per-call data for AI agents, paid in USDC on Base with x402: token risk checks (rug check) on Base, Ethereum, Arbitrum, Optimism, Polygon and Solana, onchain reads (balances, transactions, gas, contracts, NFTs, whale trades, new pools, ENS and Basenames), ECB exchange rates, and Canadian sales tax and business days.
Output
A JSON object containing: token name, symbol, decimals, total supply; owner address and a boolean indicating whether ownership has been renounced; whether the contract is an upgradeable proxy; a list of detected owner-only functions in the bytecode (e.g. mint, pause, blacklist, fee setters); and live market data including USD price, total liquidity, and fully diluted valuation sourced from the deepest WPOL or USDC pool on Uniswap v3 on Polygon PoS.
Example use cases
Pre-investment token safety check
“Before I buy this Polygon token at 0x7ceB23fD6bC0adD59E62ac25578270cFf1b9f619, can you check if the owner has renounced control, whether the contract is a proxy, and if there are any dangerous functions like minting or blacklisting baked in?”
DeFi liquidity research
“What's the current USD price, liquidity depth, and fully diluted valuation for the Polygon ERC-20 token at 0x0d500B1d8E8eF31E21C99d1Db9A6444d3ADf1270 from its deepest Uniswap v3 pool?”
Smart contract audit flag review
“I'm auditing the token contract 0x8f3Cf7ad23Cd3CaDbD9735AFf958023239c6A063 on Polygon PoS — can you tell me what owner-only functions are present in the bytecode, like pause, fee changes, or mint, and whether the contract is upgradeable?”
Technical details
Endpoint
GEThttps://ca-tax-api-mainnet.lxtap.workers.dev/polygon/token?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, fact-based security and liquidity overview of a specific ERC-20 token deployed on Polygon PoS. It is ideal for pre-investment due diligence, rug-pull risk screening, or on-chain research workflows. Prefer this over generic block explorers when you need structured, machine-readable output combining both contract metadata and live Uniswap v3 market data in a single call. Choose the sibling Base or Arbitrum endpoints for tokens on those respective chains.
Side effects
- Invalid or non-ERC-20 contract address returns an error or empty metadata
- Token with no Uniswap v3 pool returns null for price/liquidity/FDV fields
- Unverified or minimal bytecode contract may show incomplete owner-only function detection
- Network or RPC timeouts on Polygon PoS may cause delayed or failed responses
- Non-checksummed or malformed address format rejected by the address regex pattern
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"name": "ChainLink Token",
"risk": {
"level": "low",
"score": 0,
"reasons": [],
"summary": "No risky powers or liquidity problems found."
},
"chain": "polygon",
"flags": {
"canMint": false,
"ownerCanAct": false,
"upgradeable": false,
"canBlacklist": false,
"noLiquidPool": false,
"canChangeFees": false,
"thinLiquidity": false
},
"notes": "Privileged functions are detected from bytecode selectors and may have false positives or misses. Liquidity is the WPOL or USDC held by the deepest Uniswap v3 pool found.",
"owner": null,
"proxy": {
"upgradeable": false
},
"market": {
"dex": "uniswap-v3",
"pool": "0x79E4240E33C121402dfc9009dE266356c91f241d",
"priceUsd": 12.1865,
"feeTierBps": 30,
"pairedWith": "USDC",
"poolsFound": 8,
"fullyDilutedValueUsd": 13780000,
"quoteSideLiquidityUsd": 89170
},
"symbol": "LINK",
"address": "0x53E0bca35eC356BD5ddDFebbD1Fc0fD03FaBad39",
"decimals": 18,
"nativeUsd": {
"price": 0.091905,
"source": "Chainlink POL/USD",
"symbol": "POL",
"updatedAt": "2026-10-23T04:07:50.000Z"
},
"totalSupply": 1130446.8868,
"ownershipRenounced": null,
"privilegedFunctions": {
"mint": false,
"pause": false,
"setFees": false,
"blacklist": false,
"tradingSwitch": false,
"maxTransaction": false
}
}
}Tags
x402
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