ContractLens Smart Contract Security Scanner

x402

ContractLens Smart Contract Security Scanner is a paid API for AI agents from contractlens-api.appin60.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-14).

Runs Slither static-analysis on a Sourcify-verified EVM smart contract and returns security findings, proxy/upgradeability status, and privileged admin functions

Price / call$0.01

Seller volume →—

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StatusUnknown

How this service works

Smart contract security scan for AI agents: give a chain id and contract address, get Slither static-analysis findings (reentrancy, unchecked calls, arbitrary sends, etc.), proxy/upgradeability status and the list of owner/role-gated admin functions (mint, pause, blacklist, upgrade). Works on any Sourcify-verified contract on Ethereum, Base, Arbitrum, Optimism, Polygon, BNB. Use before approving, depositing into or trading a token/protocol. Unverified contracts are rejected without charge.

Output

Returns a JSON object with: ok status, chain name, contract name, proxy type and implementation address (if applicable), owner/control info (EOA or multisig), a summary of Slither findings grouped by severity (High/Medium/Low/Informational) and count of privileged functions, full list of individual findings with check name/impact/confidence/description, and list of privileged functions with their access-control modifiers. Unverified contracts are rejected without scanning.

Example use cases

Pre-deposit DeFi protocol audit

“I'm about to deposit into a yield protocol on Arbitrum — can you scan the contract at 0x794a61358D6845594F94dc1DB02A252b5b4814aD on chain ID 42161 and tell me if there are any reentrancy issues or dangerous admin controls I should worry about?”

Token approval safety check

“Before I approve this new token on Ethereum, can you check the contract 0xdAC17F958D2ee523a2206206994597C13D831ec7 on chain 1 for security vulnerabilities and let me know if anyone has the power to blacklist or freeze my funds?”

New listing risk assessment

“We're considering listing a token on our platform — can you audit the contract 0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359 on Polygon (chain ID 137) and summarize the security findings and any owner-controlled functions like minting or upgrades?”

Technical details

Endpoint

GEThttps://contractlens-api.appin60.com/scan?utm_source=zero.xyz

When to prefer

Choose ContractLens when an AI agent needs to evaluate the security posture of a specific EVM smart contract before any on-chain interaction such as token approval, deposit, or trade. It is ideal for pre-transaction risk checks because it combines Slither static analysis with proxy resolution and admin-function enumeration in a single call. Prefer this over generic blockchain explorers when you need structured, machine-readable security verdicts rather than raw source code. It is especially valuable when checking tokens on Ethereum, Base, Arbitrum, Optimism, Polygon, or BNB Chain.

Side effects

Contract not verified on Sourcify — returns rejection without charge
Invalid or malformed contract address — request fails with error
Unsupported chain ID — only chains 1, 8453, 42161, 10, 137, 56 are supported
Contract source too large or complex for static analysis — may time out
Network or upstream Sourcify/Slither service unavailability

Input

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

Schema · Response

{
  "type": "json",
  "example": {
    "ok": true,
    "chain": "Base",
    "proxy": {
      "type": "ZeppelinOSProxy",
      "implementation": "0x2Ce6311ddAE708829bc0784C967b7d77D19FD779"
    },
    "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "control": {
      "owner": {
        "kind": "EOA (single key)",
        "address": "0x3abd6f64a422225e61e435bae41db12096106df7"
      }
    },
    "summary": {
      "findingsByImpact": {
        "Low": 9,
        "Informational": 35
      },
      "privilegedFunctionCount": 11
    },
    "findings": [
      {
        "check": "shadowing-local",
        "impact": "Low",
        "confidence": "High",
        "description": "..."
      }
    ],
    "contractName": "FiatTokenProxy",
    "privilegedFunctions": [
      {
        "function": "mint(address,uint256)",
        "modifiers": [
          "onlyMinters"
        ]
      }
    ]
  }
}

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