Arc Agent Market

{
  "data": {
    "ageSeconds": 146,
    "agents": [
      {}
    ],
    "chain": "arc",
    "chainId": 5042,
    "meaning": "Measured 2026-10-06: of 1422 registered …",
    "measuredAt": "2026-10-06T05:02:47.695Z",
    "ok": true,
    "services": [
      {}
    ],
    "source": "ERC-8004 registry on Arc, read on a time…",
    "summary": {
      "acceptingX402": 105,
      "acceptingX402Share": 0.0738,
      "distinctOwners": 121,
      "distinctOwnersThatCanBePaid": 43,
      "distinctServiceTypes": 148,
      "registered": 1422,
      "withRegistrationFile": 1293
    }
  },
  "ok": true,
  "paid": 0.004
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://apexfaucet.xyz/api/x402/arc-agent-market'

# 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://apexfaucet.xyz/api/x402/arc-agent-market' \
  | 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 $0.004 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.004" });
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 $0.004 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapexfaucet.xyz%2Fapi%2Fx402%2Farc-agent-market
const res = await pay("https://apexfaucet.xyz/api/x402/arc-agent-market");
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 $0.004 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.004"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://apexfaucet.xyz/api/x402/arc-agent-market")
    print(res.status_code, res.text)