Search

{
  "data": [
    {
      "delta": {
        "event": "documents_changed"
      },
      "facts": {
        "buyer": "Deutsche Gesellschaft für Internationale Zusammenarbeit (GIZ) GmbH",
        "countries": [
          "DEU"
        ],
        "cpv": [
          "31400000"
        ],
        "deadlines": [
          "2026-09-18+02:00"
        ],
        "publication_id": "595117-2026",
        "ted_url": "https://ted.europa.eu/en/notice/-/detail/595117-2026",
        "title": "18 Batteriesysteme 60 kWh"
      },
      "kind": "changed_notice",
      "relevance": {
        "label": "high",
        "score": 90
      }
    }
  ],
  "pagination": {
    "count": 1,
    "offset": 0,
    "total": 8
  },
  "snapshot_as_of": "2026-09-25"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://tenderdelta-preview.mooncakemonkey1.workers.dev/x402/v1/search?country=DEU&label=high&limit=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 - 'https://tenderdelta-preview.mooncakemonkey1.workers.dev/x402/v1/search?country=DEU&label=high&limit=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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftenderdelta-preview.mooncakemonkey1.workers.dev%2Fx402%2Fv1%2Fsearch
const res = await pay("https://tenderdelta-preview.mooncakemonkey1.workers.dev/x402/v1/search?country=DEU&label=high&limit=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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://tenderdelta-preview.mooncakemonkey1.workers.dev/x402/v1/search?country=DEU&label=high&limit=3")
    print(res.status_code, res.text)