ToolVet
16trust / 100

Hackernews Top

by Vextorium in News & content

x402 APIFailing, checked 3 h ago

What's being read on Hacker News now: top, new, best, Ask HN, Show HN or jobs stories with points, comments, author, age and link. A pulse of tech, AI and startups.

POST https://api.vextorium.com/v1/hackernews-top

Last 30 days

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Status and outage history · Atom feed

Uptime
0.0%
Response time
- typical, - slowest 5%
Last check
3 h ago: Amount "0.002" is not in atomic token units
Next check
any minute now

How to call it

POST https://api.vextorium.com/v1/hackernews-top

Each call costs $0.002 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.

POST https://api.vextorium.com/v1/hackernews-top
content-type: application/json

{
  "limit": 3
}

Parameters

ParameterTypeRequiredDescription
limitintegerNo
liststringNo One of: top, nuevas, mejores, ask, show, empleos.

Example response

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

Example response, 26 lines
{
  "list": "top",
  "source": "Hacker News API (Y Combinator)",
  "stories": [
    {
      "author": "signa11",
      "comments": 15,
      "discussion": "https://news.ycombinator.com/item?id=49933869",
      "hours_ago": 10.9,
      "points": 89,
      "rank": 1,
      "title": "The Forgetful CPU (Linux on M4)",
      "url": "https://yuka.dev/blog-2026-10-02-linux-m4.html"
    },
    {
      "author": "hn_acker",
      "comments": 221,
      "discussion": "https://news.ycombinator.com/item?id=49927754",
      "hours_ago": 26.9,
      "points": 493,
      "rank": 2,
      "title": "Court agrees with EFF: Utah's VPN law demands a technical impossibility",
      "url": "https://www.eff.org/deeplinks/2026/10/court-agrees-eff-utahs-vpn-law-demands-technical-impossibility"
    }
  ]
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.002.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/v1/hackernews-top' \
  -H 'content-type: application/json' \
  --data-raw '{"limit":3}'

# 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://api.vextorium.com/v1/hackernews-top' \
  -H 'content-type: application/json' \
  --data-raw '{"limit":3}' \
  | 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 $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
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 $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Fv1%2Fhackernews-top&method=POST
const res = await pay("https://api.vextorium.com/v1/hackernews-top", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "limit": 3
  }),
});
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 $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.vextorium.com/v1/hackernews-top",
        json={
            "limit": 3,
        },
    )
    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
3 h agoAmount "0.002" is not in atomic token units402108 ms$0.002
7 h agoAmount "0.002" is not in atomic token units40285 ms$0.002
12 h agoAmount "0.002" is not in atomic token units40279 ms$0.002
16 h agoAmount "0.002" is not in atomic token units40279 ms$0.002
20 h agoAmount "0.002" is not in atomic token units40287 ms$0.002
25 h agoAmount "0.002" is not in atomic token units402130 ms$0.002
29 h agoAmount "0.002" is not in atomic token units40284 ms$0.002
33 h agoAmount "0.002" is not in atomic token units40279 ms$0.002
37 h agoAmount "0.002" is not in atomic token units40284 ms$0.002
41 h agoAmount "0.002" is not in atomic token units40286 ms$0.002
45 h agoAmount "0.002" is not in atomic token units402304 ms$0.002
2 days agoAmount "0.002" is not in atomic token units40283 ms$0.002
2 days agoAmount "0.002" is not in atomic token units40289 ms$0.002
2 days agoAmount "0.002" is not in atomic token units40289 ms$0.002
3 days agoAmount "0.002" is not in atomic token units402504 ms$0.002