ERC-20 token risk scan (owner, proxy, liquidity) API

Heuristic risk screen of an ERC-20 token on Base, Ethereum, Arbitrum, OP Mainnet, Polygon or Avalanche: name, symbol, supply; owner and renounce status; proxy and upgradeability; Sourcify verification; privileged functions in bytecode or verified ABI (mint, pause, blacklist, fee, limit, trading switch); Uniswap v2/v3 and Aerodrome pools with USD depth; risk score 0-100 with a reason per flag. Sources: on-chain reads via PublicNode JSON-RPC, Sourcify.

$0.01 per call USDC over x402 v2 on Base, Polygon, Arbitrum, Avalanche or Sei. No signup, no API key. Requests that fail or match nothing are not charged.

Endpoint

GET https://api.kit-rx.com/v1/chain/token-scan

Parameters

Name	Type	Required	Description
`chain`	string: base, ethereum, arbitrum, optimism, polygon, avalanche	yes	Chain of the token: base (8453), ethereum (1), arbitrum (42161), optimism (10), polygon (137), avalanche (43114). Chain ids and aliases such as eth, arb, op, matic, avax are also accepted. e.g. `base`
`address`	string	yes	Token contract address (0x followed by 40 hex characters). e.g. `0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed`

Example request

https://api.kit-rx.com/v1/chain/token-scan?chain=base&address=0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed

Without payment the server answers 402 Payment Required with the price (10000 atomic USDC) in the PAYMENT-REQUIRED header. Any x402 v2 client pays and retries automatically. A request with no parameters runs this example.

curl -i "https://api.kit-rx.com/v1/chain/token-scan?chain=base&address=0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"

Pay from an agent

AgentCash: fetch the URL. OpenDexter MCP: x402_fetch. Kit Rx MCP server: https://api.kit-rx.com/mcp. Code:

import { x402Client } from "@x402/core/client";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client();
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.BUYER_KEY) });
const pay = wrapFetchWithPayment(fetch, client);
const res = await pay("https://api.kit-rx.com/v1/chain/token-scan?chain=base&address=0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed");
console.log(await res.json());

Example response

{
  "query": {
    "chain": "base",
    "address": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed"
  },
  "result": {
    "chain": "base",
    "chain_id": 8453,
    "address": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed",
    "token": {
      "name": "Degen",
      "symbol": "DEGEN",
      "decimals": 18,
      "total_supply": "35850686746.3298680797264344",
      "burned_pct": 0.0006,
      "contract_self_balance_pct": 0.0267
    },
    "contract": {
      "code_size_bytes": 11608,
      "verified": true,
      "verified_name": "DegenToken",
      "verified_match": "exact_match",
      "compiler_version": "0.8.20+commit.a1b79de6",
      "proxy": {
        "is_proxy": false,
        "upgradeable": false,
        "type": null,
        "implementation": null,
        "implementation_verified": null,
        "implementation_name": null,
        "beacon": null,
        "admin": null,
        "admin_is_contract": null
      }
    },
    "ownership": {
      "owner": "0x704Ec5C12Ca20a293C2C0B72B22619A4231f3c0d",
      "owner_source": "owner()",
      "renounced": false,
      "owner_is_contract": true,
      "owner_balance_pct": 0.5312,
      "minter": null,
      "authority": null
    },
    "status": {
      "paused": false,
      "trading_enabled": null,
      "trading_getters": {},
      "limits_in_effect": null,
      "fee_getters_pct": {}
    },
    "privileged_functions": [
      {
        "category": "mint",
        "signature": "mint(address,uint96)",
        "source": "verified_abi"
      }
    ],
    "liquidity": {
      "price_usd": 0.000693288,
      "native_usd": 1726.92,
      "total_liquidity_usd": 380800,
      "total_quote_reserve_usd": 191300,
      "best_pool_address": "0xc9034c3E7F58003E6ae0C8438e7c8f4598d5ACAA",
      "pools": [
        {
          "dex": "Uniswap v3",
          "address": "0xc9034c3E7F58003E6ae0C8438e7c8f4598d5ACAA",
          "pair": "DEGEN/WETH",
          "fee_pct": 0.3,
          "price_usd": 0.000693288,
          "liquidity_usd": 195100,
          "quote_reserve_usd": 98950,
          "in_range": true
        }
      ],
      "pools_found": 16
    },
    "risk_score": 32,
    "risk_level": "medium",
    "flags": [
      {
        "code": "can_mint",
        "severity": "high",
        "points": 15,
        "reason": "Can create new tokens, diluting holders (mint)."
      }
    ],
    "block": 57571655
  },
  "sources": [
    {
      "name": "Base JSON-RPC via PublicNode",
      "url": "https://base-rpc.publicnode.com"
    },
    {
      "name": "Sourcify verified contract repository",
      "url": "https://sourcify.dev/"
    }
  ],
  "notes": [
    "Pools covered: Uniswap v3 (4 fee tiers), Uniswap v2, Aerodrome v2 and Slipstream, against WETH or native USDC."
  ],
  "generated_at": "2026-11-15T01:05:06.702Z"
}

Kit Rx: Pay-per-call data and safety tools for AI agents, paid in USDC over x402. No signup, no API key. Machine-readable: OpenAPI, llms.txt, /.well-known/x402, agent skills.