80trust / 100

Pay Base

by badhttp in Onchain & crypto

x402 APIPassing, checked 2 h ago

badhttp /402/pay: a real x402 v2 paywall for testing clients. Pay 0.01 USDC on Base mainnet and get a 200 with a PAYMENT-RESPONSE receipt and the transaction hash. Nothing else is sold; sibling endpoints under /402 misbehave on purpose.

GET https://badhttp.dev/402/pay/base

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
136 ms typical, 136 ms slowest 5%
Last check
2 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://badhttp.dev/402/pay/base"
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fbadhttp.dev%2F402%2Fpay%2Fbase
const res = await pay("https://badhttp.dev/402/pay/base");
console.log(await res.json());

Example output

{
  "amount_atomic": "10000",
  "amount_usd": 0.01,
  "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
  "explorer": "https://basescan.org/tx/0x0000000000000000000000000000000000000000000000000000000000000000",
  "facilitator": "https://example.invalid",
  "network": "eip155:8453",
  "network_name": "base",
  "paid": true,
  "pay_to": "0x2b14ad50d63c7fee5a33847f95153ac37a690170",
  "payer": "0x0000000000000000000000000000000000000000",
  "real_money": true,
  "scenario": "/402/pay",
  "transaction": "0x0000000000000000000000000000000000000000000000000000000000000000"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed402261 ms$0.01
7 h agoPassed402136 ms$0.01