Tool detail

token-tax

Given an ERC20 token contract address, returns buy/sell tax fields, owner-renouncement status and basic honeypot risk flags on EVM chains.

Categories: Crypto risk, Market prices

Use when

check a token contract for hidden buy/sell tax before trading
screen a meme coin for honeypot or rug-pull risk
confirm whether a token's owner has renounced control

Not for

not a full smart-contract security audit
not for non-EVM chains such as Solana

Inputs

GET query params: address (string, token contract, required); chain (string, optional: ethereum, base default, arbitrum, optimism, polygon); token (string, optional, alternate contract param).

Admitted input schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Token contract address (required)"
    },
    "chain": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "ethereum, base (default), arbitrum, optimism, polygon"
    },
    "token": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "ERC20 contract address (optional)"
    }
  },
  "required": [
    "address"
  ],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://api.x402node.dev/chain/token-tax

Payment

Protocol: x402
Listed price: 0.006 USDC per call on Base (Solana also accepted per listing)
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://api.x402node.dev/chain/token-tax
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z