Npm

{
  "elapsed_ms": 1800,
  "generated_at": "2026-09-22T23:00:00Z",
  "max_packages": 50,
  "rows": [
    {
      "behind": true,
      "deprecated": false,
      "ecosystem": "npm",
      "latest": "4.18.1",
      "latest_published": "2026-04-01T21:01:20Z",
      "license": "MIT",
      "max_severity": "HIGH",
      "name": "lodash",
      "notes": [],
      "pinned": "4.17.20",
      "requested": "4.17.20",
      "vulnerabilities": [
        {
          "aliases": [
            "CVE-2021-23337"
          ],
          "fixed_in": "4.17.21",
          "id": "GHSA-35jh-r3h4-6jhm",
          "severity": "HIGH",
          "summary": "Command injection in lodash"
        }
      ],
      "vulnerability_count": 5,
      "weekly_downloads": 128527290
    },
    {
      "behind": null,
      "deprecated": false,
      "ecosystem": "pypi",
      "latest": "3.1.2",
      "latest_published": "2025-08-19T00:00:00Z",
      "license": "BSD-3-Clause",
      "max_severity": null,
      "name": "flask",
      "notes": [
        "range \">=2.0\" audited at latest"
      ],
      "pinned": null,
      "requested": ">=2.0",
      "vulnerabilities": [],
      "vulnerability_count": 0,
      "weekly_downloads": null
    }
  ],
  "sources": [
    "api.deps.dev",
    "api.osv.dev",
    "registry.npmjs.org",
    "api.npmjs.org",
    "pypi.org"
  ],
  "summary": {
    "behind_latest": 1,
    "deprecated": 0,
    "lookup_errors": 0,
    "packages": 2,
    "unpinned": 1,
    "with_vulnerabilities": 1
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://audit.152-53-82-29.sslip.io/v1/npm' \
  -H 'content-type: application/json' \
  --data-raw '{"packages":["[email protected]","express","left-pad"]}'

# 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://audit.152-53-82-29.sslip.io/v1/npm' \
  -H 'content-type: application/json' \
  --data-raw '{"packages":["[email protected]","express","left-pad"]}' \
  | 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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Faudit.152-53-82-29.sslip.io%2Fv1%2Fnpm&method=POST
const res = await pay("https://audit.152-53-82-29.sslip.io/v1/npm", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "packages": [
      "[email protected]",
      "express",
      "left-pad"
    ]
  }),
});
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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://audit.152-53-82-29.sslip.io/v1/npm",
        json={
            "packages": [
                "[email protected]",
                "express",
                "left-pad",
            ],
        },
    )
    print(res.status_code, res.text)