Feeds X402 Services

{
  "alive": 64,
  "catalogTotal": 27055,
  "count": 300,
  "feed": "x402-services",
  "probed": 120,
  "services": [
    {
      "accepts": [
        {
          "amount": "1000",
          "network": "eip155:8453",
          "scheme": "exact"
        }
      ],
      "description": "…",
      "liveness": {
        "httpStatus": 402,
        "lastChecked": "2026-06-10T11:47:10.000Z",
        "latencyMs": 182,
        "result": "alive-402"
      },
      "resource": "https://example.com/api/data"
    }
  ],
  "updatedAt": "2026-06-10T12:00:00.000Z"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://fresh-feeds.foomworks.workers.dev/feeds/x402-services'

# 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://fresh-feeds.foomworks.workers.dev/feeds/x402-services' \
  | 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ffresh-feeds.foomworks.workers.dev%2Ffeeds%2Fx402-services
const res = await pay("https://fresh-feeds.foomworks.workers.dev/feeds/x402-services");
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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://fresh-feeds.foomworks.workers.dev/feeds/x402-services")
    print(res.status_code, res.text)