X402 · Market

Top incumbents (recipients) and top buying agencies by obligated dollars for a NAICS over a lookback window. Pay 0.001 USDC on Base using the fresh PAYMENT-REQUIRED challenge and caller-authorized PAYMENT-SIGNATURE.

price

0.0010 USDC

rail

Base

facilitator

OMNIGATE

method

GET

endpoint https://mcp-x402.onrender.com/x402/market

payTo 0x5bbd32e0478e49a7540ef2d760e0b0f9aa6328b2

asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

indexed 2026-10-25T20:10:49.000Z

Live 402 challenge

Hits the real endpoint without paying and shows exactly what it demands. Nothing is charged.

Pay from your agent

import { wrapFetchWithPayment } from "@x402/fetch";
import { ExactEvmScheme } from "@x402/evm";
import { privateKeyToAccount } from "viem/accounts";

const signer = privateKeyToAccount(process.env.BUYER_PRIVATE_KEY);
const pay = wrapFetchWithPayment(fetch, { schemes: [{ network: "eip155:8453", client: new ExactEvmScheme(signer) }] });

const res = await pay("https://mcp-x402.onrender.com/x402/market", { method: "GET" });
console.log(await res.json(), res.headers.get("PAYMENT-RESPONSE"));

Example input

{
  "naics": "541512",
  "years": 3
}

Example output

{
  "source": "usaspending.gov/api/v2",
  "naics": "541511",
  "window": {
    "start_date": "2023-10-30",
    "end_date": "2026-10-29",
    "years": 3
  },
  "award_types": "prime contracts (A,B,C,D)",
  "top_incumbents": [
    {
      "name": "GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.",
      "total_obligated_usd": 1924380174
    },
    {
      "name": "BOOZ ALLEN HAMILTON INC",
      "total_obligated_usd": 1553723047
    }
  ],
  "top_buying_agencies": [
    {
      "name": "Department of Defense",
      "total_obligated_usd": 12211224206
    },
    {
      "name": "Department of Health and Human Services",
      "total_obligated_usd": 4706381812
    }
  ],
  "_note": "Obligated $ for prime contract awards in the window. Use for capture targeting a"
}