Hn Search

{
  "hits": [
    {
      "author": "soheilpro",
      "comments": 251,
      "created_at": "2026-07-01T13:59:13Z",
      "hn_url": "https://news.ycombinator.com/item?id=48746914",
      "points": 355,
      "title": "Monetization Gateway: Charge for any resource behind Cloudflare via x402",
      "url": "https://blog.cloudflare.com/monetization-gateway/"
    },
    {
      "author": "thm",
      "comments": 147,
      "created_at": "2025-09-23T14:14:46Z",
      "hn_url": "https://news.ycombinator.com/item?id=45347335",
      "points": 228,
      "title": "x402 — An open protocol for internet-native payments",
      "url": "https://www.x402.org/"
    },
    {
      "author": "morty28",
      "comments": 38,
      "created_at": "2026-07-06T10:37:58Z",
      "hn_url": "https://news.ycombinator.com/item?id=48802885",
      "points": 47,
      "title": "X402, a static blog monetization excercise",
      "url": "https://shtein.me/posts/x402-poc/"
    },
    {
      "author": "__erik",
      "comments": 6,
      "created_at": "2025-05-06T18:24:51Z",
      "hn_url": "https://news.ycombinator.com/item?id=43908129",
      "points": 16,
      "title": "Show HN: X402 – an open standard for internet native payments",
      "url": "https://www.x402.org/"
    },
    {
      "author": "z1z2z3",
      "comments": 0,
      "created_at": "2026-07-24T12:15:44Z",
      "hn_url": "https://news.ycombinator.com/item?id=49034474",
      "points": 14,
      "title": "Show HN: X402vps – Docker containers for AI agents, paid per hour with USDC",
      "url": "https://x402vps.com"
    }
  ],
  "query": "x402",
  "returned": 5,
  "sort": "relevance",
  "source": "Hacker News via Algolia",
  "total_matches": 9694,
  "type": "story",
  "window_days": null
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://saylorinnovations.com/api/hn/search?limit=5&q=x402'

# 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/hn/search?limit=5&q=x402' \
  | 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%2Fhn%2Fsearch
const res = await pay("https://saylorinnovations.com/api/hn/search?limit=5&q=x402");
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/hn/search?limit=5&q=x402")
    print(res.status_code, res.text)