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Token Verdict

by GadgetHumans API in Onchain & crypto

x402 APIPassing, checked 4 h ago

Use when an agent needs a risk verdict on a Base token contract before buying, routing, swapping or holding it. Send a Base token address, get a scored verdict: honeypot check, buy and sell tax, mint and owner privileges, verified-source status, holder count, live liquidity and 24h volume, a 0-100 safety score with explicit red flags, and a one-line summary. Cheaper than one wrong trade. Poll it: echo the returned watch.change_token back as since=<token> to get ONLY the fields that moved (safety score, honeypot, taxes, mint/owner privileges, liquidity, holders, price) - a pre-trade gate to call before every trade.

GET
https://api.gadgethumans.com/token-verdict
Price
$0.01
per call in USDC
Uptime
100%
last 30 days
Response time
186 ms
358 ms slowest 5%
Last check
Passed
4 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to call it

GET https://api.gadgethumans.com/token-verdict

Each call costs $0.01 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.

GET https://api.gadgethumans.com/token-verdict?address=0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed

Parameters

ParameterTypeRequiredDescription
addressstringYesBase mainnet token contract address, 0x plus 40 hex characters
sincestringNoOptional: the watch.change_token returned by your previous call. Send it back to receive ONLY the fields that changed since that snapshot (changed: [{field, from, to}], unchanged: true|false) plus a fresh change_token - so an agent can poll this as a pre-trade gate before every trade instead of re-…

Example response

The provider's example. We can't check it without paying.

Example response, 37 lines
{
  "address": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed",
  "chain": "base",
  "contract": {
    "honeypot": false,
    "verified": true
  },
  "market": {
    "liquidity_usd": 1250000,
    "price_usd": "0.42",
    "volume_24h_usd": 310000
  },
  "ok": true,
  "red_flags": [],
  "risk_level": "low",
  "safety_score": 78,
  "summary": "No honeypot behaviour in Base simulation; liquidity locked; owner cannot mint.",
  "verdict": "LOW_RISK",
  "watch": {
    "change_token": "eyJ2ZXJkaWN0IjoiTE9XX1JJU0sifQ",
    "changed": [],
    "material_fields": [
      "verdict",
      "safety_score",
      "honeypot",
      "buy_tax_pct",
      "sell_tax_pct",
      "mintable",
      "owner_privileges",
      "liquidity_usd",
      "holder_count",
      "price_usd"
    ],
    "poll_hint": "Call again with ?since=<change_token> to receive only the fields that moved.",
    "unchanged": null
  }
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.01.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.gadgethumans.com/token-verdict?address=0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed'

# 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 - 'https://api.gadgethumans.com/token-verdict?address=0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.gadgethumans.com%2Ftoken-verdict
const res = await pay("https://api.gadgethumans.com/token-verdict?address=0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed");
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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.gadgethumans.com/token-verdict?address=0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed")
    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

WhenResultHTTPTimePrice
4 h agoPassed402158 ms$0.01
9 h agoPassed402202 ms$0.01
14 h agoPassed402177 ms$0.01
19 h agoPassed402210 ms$0.01
23 h agoPassed402211 ms$0.01
Show 10 older checks
28 h agoPassed402231 ms$0.01
33 h agoPassed402205 ms$0.01
37 h agoPassed402186 ms$0.01
42 h agoPassed402174 ms$0.01
46 h agoPassed402279 ms$0.01
2 days agoPassed402230 ms$0.01
2 days agoPassed402358 ms$0.01
2 days agoPassed402170 ms$0.01
3 days agoPassed402167 ms$0.01
3 days agoPassed402121 ms$0.01

History

13 Oct 2026Price changed from $0.02 to $0.01