Market Quote

{
  "asOf": "2026-10-12T12:20:14.411Z",
  "buyPlan": {
    "holdsFunds": false,
    "method": "GET",
    "mode": "direct_x402",
    "payTo": [
      {
        "amountUsd": "$0.005",
        "network": "eip155:8453",
        "payTo": "0x5b32c973596078a967562ca652761404f19be0e9",
        "rail": "x402:base"
      },
      {
        "amountUsd": "$0.005",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "BjY98A6dS3GGLZdz2zHy8wK7XAwnQgNhCc66mfmBTRPz",
        "rail": "x402:solana"
      }
    ],
    "ready": true,
    "reason": "Live 402 re-checked now; every network's payTo matches the index exactly.",
    "takeRate": 0,
    "url": "https://horizonpulse.dev/api/pulse"
  },
  "elapsedMs": 522,
  "evidence": [
    {
      "at": "2026-10-12T12:20:13.950Z",
      "detail": "Fresh unpaid GET to https://horizonpulse.dev/api/pulse (not cached) answered HTTP 402 through the SSRF guard (duration in live.ms).",
      "id": "live_probe"
    },
    {
      "at": "2026-10-12T12:20:13.950Z",
      "detail": "x402 challenge read from the PAYMENT-REQUIRED header (x402Version 2); 2 accepts entries parsed.",
      "id": "challenge_parsed"
    },
    {
      "at": "2026-10-12T12:20:13.950Z",
      "detail": "Live networks offered (CAIP-2; unrecognized values are not echoed): eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp.",
      "id": "live_networks"
    },
    {
      "at": "2026-10-12T12:20:14.407Z",
      "detail": "CDP Bazaar entry for this resource found (index lookup completed at this time).",
      "id": "index_entry"
    },
    {
      "at": "2026-10-12T12:20:14.407Z",
      "detail": "payTo on eip155:8453 matches the CDP Bazaar entry.",
      "id": "payto_network_match"
    },
    {
      "at": "2026-10-12T12:20:14.407Z",
      "detail": "payTo on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp matches the CDP Bazaar entry.",
      "id": "payto_network_match"
    },
    {
      "at": "2026-10-12T12:20:14.407Z",
      "detail": "Live amount equals the CDP Bazaar amount on every shared network.",
      "id": "price_matches_index"
    }
  ],
  "index": {
    "error": null,
    "found": true,
    "lastCalledAt": "2026-10-08T21:10:32.762Z",
    "lastUpdated": "2026-10-08T21:10:33.046Z",
    "url": "https://horizonpulse.dev/api/pulse"
  },
  "live": {
    "accepts": [
      {
        "amountAtomic": "5000",
        "amountUsd": "$0.005",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "assetLabel": "USDC (Base)",
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5b32c973596078a967562ca652761404f19be0e9",
        "rail": "x402:base",
        "scheme": "exact",
        "testnet": false
      },
      {
        "amountAtomic": "5000",
        "amountUsd": "$0.005",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "assetLabel": "USDC (Solana)",
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "BjY98A6dS3GGLZdz2zHy8wK7XAwnQgNhCc66mfmBTRPz",
        "rail": "x402:solana",
        "scheme": "exact",
        "testnet": false
      }
    ],
    "challengeSource": "header",
    "httpStatus": 402,
    "method": "GET",
    "ms": 96,
    "rails": [
      "x402:base",
      "x402:solana"
    ],
    "resourceUrl": "https://horizonpulse.dev/api/pulse",
    "x402Version": 2
  },
  "ok": true,
  "paytoCrossCheck": {
    "message": "Every network's live payTo matches the index entry exactly.",
    "networks": [
      {
        "agree": true,
        "indexed": "0x5b32c973596078a967562ca652761404f19be0e9",
        "live": "0x5b32c973596078a967562ca652761404f19be0e9",
        "network": "eip155:8453",
        "rail": "x402:base"
      },
      {
        "agree": true,
        "indexed": "BjY98A6dS3GGLZdz2zHy8wK7XAwnQgNhCc66mfmBTRPz",
        "live": "BjY98A6dS3GGLZdz2zHy8wK7XAwnQgNhCc66mfmBTRPz",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "rail": "x402:solana"
      }
    ],
    "status": "match"
  },
  "reasons": [],
  "source": "market-quote",
  "target": {
    "host": "horizonpulse.dev",
    "url": "https://horizonpulse.dev/api/pulse"
  },
  "unknowns": [
    {
      "id": "seller_delivery",
      "message": "Whether the seller delivers the paid response, and its quality, is not checked (we never pay)."
    },
    {
      "id": "seller_identity",
      "message": "Who operates the seller is not verified; listing text is untrusted."
    },
    {
      "id": "terms_after_probe",
      "message": "Terms can change after the live_probe time; re-check the seller's fresh 402 before paying."
    }
  ],
  "verdict": "pay"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://horizonpulse.dev/api/market/quote?url=https%3A%2F%2Fhorizonpulse.dev%2Fapi%2Fpulse'

# 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://horizonpulse.dev/api/market/quote?url=https%3A%2F%2Fhorizonpulse.dev%2Fapi%2Fpulse' \
  | 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 $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
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 $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fhorizonpulse.dev%2Fapi%2Fmarket%2Fquote
const res = await pay("https://horizonpulse.dev/api/market/quote?url=https%3A%2F%2Fhorizonpulse.dev%2Fapi%2Fpulse");
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 $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://horizonpulse.dev/api/market/quote?url=https%3A%2F%2Fhorizonpulse.dev%2Fapi%2Fpulse")
    print(res.status_code, res.text)