Base Token

{
  "address": "0x940181a94A35A4569E4529A3CDfB74e38FD98631",
  "card": "AERO · SOLID · 88/100 — Liquidity $12.4M across the top pair",
  "chain": "base",
  "fetched_at": "2026-09-24T00:00:00.000Z",
  "grade": "SOLID",
  "headline": "AERO shows no honeypot, tax or ownership red flags and trades with deep liquidity.",
  "market": {
    "liquidity_usd": 12400000,
    "volume_24h_usd": 3100000
  },
  "name": "Aerodrome",
  "one_liner": "Liquidity $12.4M across the top pair",
  "reasons": [
    "Contract source is verified",
    "No buy/sell tax",
    "Liquidity $12.4M across the top pair"
  ],
  "score": 88,
  "security": {
    "buy_tax": 0,
    "is_honeypot": false,
    "sell_tax": 0
  },
  "sources_failed": [],
  "sources_ok": [
    "goplus",
    "dexscreener"
  ],
  "symbol": "AERO",
  "verdict": "looks-ok"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://saylorinnovations.com/api/base/token/:address'

# 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://saylorinnovations.com/api/base/token/:address' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// 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%2Fsaylorinnovations.com%2Fapi%2Fbase%2Ftoken%2F%3Aaddress
const res = await pay("https://saylorinnovations.com/api/base/token/:address");
console.log(res.status, await res.text());

# 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://saylorinnovations.com/api/base/token/:address")
    print(res.status_code, res.text)