Search

{
  "count": 1,
  "results": [
    {
      "address_en": null,
      "address_full": "東京都港区虎ノ門二丁目2番5号",
      "assignment_date": "2015-10-05",
      "change_date": "2015-10-05",
      "city": "港区",
      "close_cause": null,
      "close_cause_label": null,
      "close_date": null,
      "corp_kind": "101",
      "corp_kind_label": "National government agency",
      "corporate_number": "7000012050002",
      "name": "国立印刷局",
      "name_en": null,
      "name_kana": null,
      "postal_code": "1058445",
      "prefecture": "東京都",
      "prefecture_code": "13",
      "process_kind": "01",
      "status": "active",
      "street": "虎ノ門二丁目2番5号",
      "successor_corporate_number": null,
      "update_date": "2018-04-02"
    }
  ],
  "truncated": false
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://houjin.agentic-jp.com/search' \
  -H 'content-type: application/json' \
  --data-raw '{"limit":20,"name":"\u30c8\u30e8\u30bf","prefecture":"\u611b\u77e5\u770c"}'

# 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://houjin.agentic-jp.com/search' \
  -H 'content-type: application/json' \
  --data-raw '{"limit":20,"name":"\u30c8\u30e8\u30bf","prefecture":"\u611b\u77e5\u770c"}' \
  | 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 $0.009 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.009" });
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 $0.009 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fhoujin.agentic-jp.com%2Fsearch&method=POST
const res = await pay("https://houjin.agentic-jp.com/search", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "limit": 20,
    "name": "\u30c8\u30e8\u30bf",
    "prefecture": "\u611b\u77e5\u770c"
  }),
});
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 $0.009 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.009"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://houjin.agentic-jp.com/search",
        json={
            "limit": 20,
            "name": "\u30c8\u30e8\u30bf",
            "prefecture": "\u611b\u77e5\u770c",
        },
    )
    print(res.status_code, res.text)