Honeypot Check
by AgentUtility.ai in Onchain & crypto
Honeypot.is buy/sell simulation for any Base or Ethereum ERC-20. Returns is_honeypot verdict, buy/sell/transfer tax %, simulation success flag, and a reason string when a honeypot is detected. Use before every swap to detect sell-blocking risk.
https://x402.agentutility.ai/honeypot-check- Price
- $0.05
- per call in USDC
- Uptime
- 80.0%
- last 30 days
- Response time
- 161 ms
- 6.8 s slowest 5%
- Last check
- Passed
- 2 h ago, next any minute now
Reliability
How to call it
POST https://x402.agentutility.ai/honeypot-check
Each call costs $0.05 in USDC on Base, paid with the request over x402.
Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.
Example request
From the listing.
POST https://x402.agentutility.ai/honeypot-check
content-type: application/json
{
"chain": "base",
"token_address": "0x4200000000000000000000000000000000000006"
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
chain | string | No | EVM chain. Default 'base'. One of: base, ethereum, bsc. |
token_address | string | Yes | 0x-prefixed 20-byte EVM token contract address. |
Example response
The provider's example. We can't check it without paying.
Example response, 27 lines
{
"chain": "base",
"contract": {
"has_owner": false,
"has_proxy": false,
"has_renounced_ownership": true
},
"risk": {
"level": "low",
"reasons": []
},
"simulation": {
"buy_tax_pct": 0,
"is_honeypot": false,
"max_buy_amount": "1000000000000000000000",
"max_sell_amount": "1000000000000000000000",
"sell_tax_pct": 0,
"transfer_tax_pct": 0
},
"source": "https://api.honeypot.is",
"token": {
"address": "0x4200000000000000000000000000000000000006",
"decimals": 18,
"name": "Wrapped Ether",
"symbol": "WETH"
}
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.05.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://x402.agentutility.ai/honeypot-check' \
-H 'content-type: application/json' \
--data-raw '{"chain":"base","token_address":"0x4200000000000000000000000000000000000006"}'
# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://x402.agentutility.ai/honeypot-check' \
-H 'content-type: application/json' \
--data-raw '{"chain":"base","token_address":"0x4200000000000000000000000000000000000006"}' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
// Pays at most $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);
// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.agentutility.ai%2Fhoneypot-check&method=POST
const res = await pay("https://x402.agentutility.ai/honeypot-check", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"chain": "base",
"token_address": "0x4200000000000000000000000000000000000006"
}),
});
console.log(res.status, await res.text());Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client
# Pays at most $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))
with x402_requests(client) as session:
res = session.post(
"https://x402.agentutility.ai/honeypot-check",
json={
"chain": "base",
"token_address": "0x4200000000000000000000000000000000000006",
},
)
print(res.status_code, res.text)Security scan
No findings
We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.
Recent checks
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 2 h ago | Passed | 402 | 104 ms | $0.05 |
| 6 h ago | Passed | 402 | 3.6 s | $0.05 |
| 10 h ago | Passed | 402 | 3.2 s | $0.05 |
| 14 h ago | Passed | 402 | 119 ms | $0.05 |
| 18 h ago | Timed out | - | - | - |
Show 10 older checks
| 22 h ago | Timed out | - | - | - |
| 26 h ago | Passed | 402 | 195 ms | $0.05 |
| 30 h ago | Passed | 402 | 39 ms | $0.05 |
| 34 h ago | Passed | 402 | 129 ms | $0.05 |
| 38 h ago | Passed | 402 | 368 ms | $0.05 |
| 42 h ago | Passed | 402 | 127 ms | $0.05 |
| 46 h ago | Passed | 402 | 4.4 s | $0.05 |
| 2 days ago | Passed | 402 | 123 ms | $0.05 |
| 2 days ago | Timed out | - | - | - |
| 2 days ago | Passed | 402 | 608 ms | $0.05 |