Tenders Brief

{
  "confidence": "high",
  "notice": "Information, not advice.",
  "query": {
    "ocid": "ocds-h6vhtk-06df8b"
  },
  "result": {
    "buyer": "Hull City Council",
    "cpv": [
      {
        "code": "90733000",
        "desc": "Services related to water pollution"
      }
    ],
    "deadline": "2026-09-02T11:00:00+00:00",
    "source": {
      "name": "Find a Tender",
      "notice_url": "https://www.find-tender.service.gov.uk/Notice/075483-2026"
    },
    "title": "Provision of Water Testing Services",
    "value": {
      "amount": 180000,
      "currency": "GBP"
    }
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.ukintel.uk/v1/tenders/:ocid/brief'

# 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://api.ukintel.uk/v1/tenders/:ocid/brief' \
  | 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 $0.1 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.1" });
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 $0.1 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.ukintel.uk%2Fv1%2Ftenders%2F%3Aocid%2Fbrief
const res = await pay("https://api.ukintel.uk/v1/tenders/:ocid/brief");
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 $0.1 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.1"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.ukintel.uk/v1/tenders/:ocid/brief")
    print(res.status_code, res.text)