Contratos Eeuu Pago

{
  "busqueda": "artificial intelligence",
  "contratos": [
    {
      "adjudicatario": "ECS FEDERAL, LLC",
      "agencia": "Department of Defense",
      "contrato": "W911QX20C0023",
      "descripcion": "RESEARCH AND DEVELOPMENT EFFORT TO DESIGN AND DEVELOP PROTOTYPES TO ARTIFICIAL INTELLIGENCE/MACHINE LEARNING ALGORITHMS.",
      "enlace": "https://www.usaspending.gov/award/CONT_AWD_W911QX20C0023_9700_-NONE-_-NONE-",
      "fin": "2027-03-11",
      "importe_usd": 120492195.74,
      "inicio": "2020-04-23"
    },
    {
      "adjudicatario": "TUKNIK GOVERNMENT SERVICES LLC",
      "agencia": "Department of the Interior",
      "contrato": "140D0421C0002",
      "descripcion": "INFORMATION TECHNOLOGY (IT), ARTIFICIAL INTELLIGENCE (AI), AND MACHINE LEARNING (ML) PROGRAMMATIC SUPPORT SERVICES FOR THE DEPARTMENT OF DEFENSE CHIEF INFORMATION OFFICER (DOD CIO) JOINT ARTIFICIAL INTELLIGENCE CENTER (JAIC)",
      "enlace": "https://www.usaspending.gov/award/CONT_AWD_140D0421C0002_1406_-NONE-_-NONE-",
      "fin": "2025-03-10",
      "importe_usd": 106725460.68,
      "inicio": "2020-12-23"
    },
    {
      "adjudicatario": "ECS FEDERAL, LLC",
      "agencia": "Department of Defense",
      "contrato": "W911QX25C0002",
      "descripcion": "CONTRACT TO RESEARCH, DEVELOP, MODIFY, DEPLOY, OPERATE, AND MAINTAIN ARTIFICIAL INTELLIGENCE/MACHINE LEARNING (AI/ML) ALGORITHMS AND MODELS.",
      "enlace": "https://www.usaspending.gov/award/CONT_AWD_W911QX25C0002_9700_-NONE-_-NONE-",
      "fin": "2027-07-01",
      "importe_usd": 78498695.2,
      "inicio": "2025-01-30"
    }
  ],
  "desde": "2025-10-02",
  "fuente": "USAspending.gov (Gobierno de EE. UU., dominio público)"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/contratos-eeuu-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"buscar":"artificial intelligence","limite":3}'

# 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 - -X POST 'https://api.vextorium.com/contratos-eeuu-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"buscar":"artificial intelligence","limite":3}' \
  | 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%2Fapi.vextorium.com%2Fcontratos-eeuu-pago&method=POST
const res = await pay("https://api.vextorium.com/contratos-eeuu-pago", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "buscar": "artificial intelligence",
    "limite": 3
  }),
});
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.post(
        "https://api.vextorium.com/contratos-eeuu-pago",
        json={
            "buscar": "artificial intelligence",
            "limite": 3,
        },
    )
    print(res.status_code, res.text)