Package Report

{
  "exampleTruncated": true,
  "fixedSubject": "typescript",
  "report": {
    "dependencies": {
      "@typescript/typescript-aix-ppc64": "7.0.2"
    },
    "dependencyCount": 20,
    "deprecated": null,
    "engines": {
      "node": ">=16.20.0"
    },
    "homepage": "https://www.typescriptlang.org/",
    "license": "Apache-2.0",
    "limitations": "Metadata inspection only. This is not a vulnerability scan, license opinion, or guarantee of package safety. Dependency maps are capped at 500 entries.",
    "name": "typescript",
    "peerDependencies": {},
    "repository": "git+https://github.com/microsoft/TypeScript.git",
    "signals": [],
    "version": "7.0.2"
  },
  "retrievedAt": "2026-09-18T13:57:05.856Z",
  "sample": true,
  "service": "package",
  "source": {
    "name": "npm Public Registry",
    "url": "https://registry.npmjs.org/typescript/latest"
  },
  "subject": "typescript"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://saylorinnovations.com/api/package/report?name=typescript'

# 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/package/report?name=typescript' \
  | 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%2Fpackage%2Freport
const res = await pay("https://saylorinnovations.com/api/package/report?name=typescript");
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/package/report?name=typescript")
    print(res.status_code, res.text)