Opendata Search

{
  "price_usd": 0.1,
  "provenance": {
    "attempts": 1,
    "elapsed_ms": 340,
    "providers_used": [
      "coinbase-advanced-trade-public"
    ],
    "steps": [
      {
        "ms": 312,
        "ok": true,
        "provider": "coinbase-advanced-trade-public",
        "reason": "provider_timeout",
        "step": "quote"
      }
    ]
  },
  "receipt_id": "rcpt_9f1c2b3a4d5e6f70",
  "receipt_url": "/work/receipts/rcpt_9f1c2b3a4d5e6f70",
  "result": {
    "checked_at": "2026-09-26T18:00:00Z",
    "limit_per_portal": 5,
    "portals_failed": [],
    "portals_ok": [
      "data.e-gov.go.jp",
      "catalog.data.metro.tokyo.lg.jp"
    ],
    "portals_searched": [
      "data.e-gov.go.jp",
      "catalog.data.metro.tokyo.lg.jp"
    ],
    "query": "人口",
    "region": "jp",
    "result_count": 10,
    "results": [
      {
        "country": "JP",
        "description": "国勢調査の人口等基本集計...",
        "id": "5b2f1c7e-8a3d-4c1e-9f2a-1b2c3d4e5f60",
        "landing_url": "https://www.e-stat.go.jp/stat-search/files?toukei=00200521",
        "license": "CC-BY-4.0",
        "name": "population-census-2020",
        "organization": "総務省",
        "portal": "data.e-gov.go.jp",
        "region": "jp",
        "resource_count": 3,
        "resources": [
          {
            "format": "CSV",
            "last_modified": "2026-02-20T00:00:00",
            "name": "人口等基本集計 全国結果",
            "size_bytes": 1048576,
            "url": "https://www.e-stat.go.jp/stat-search/file-download?statInfId=000032143614"
          }
        ],
        "tags": [
          "人口",
          "国勢調査"
        ],
        "title": "令和2年国勢調査 人口等基本集計",
        "updated_at": "2026-03-01T09:12:44.512345"
      }
    ],
    "total_matches": {
      "catalog.data.metro.tokyo.lg.jp": 1523,
      "data.e-gov.go.jp": 4699
    }
  },
  "status": "ok",
  "worker": "opendata.search"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://hubvibe-io.com/work/opendata/search' \
  -H 'content-type: application/json' \
  --data-raw '{"limit":5,"query":"\u4eba\u53e3","region":"jp"}'

# 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://hubvibe-io.com/work/opendata/search' \
  -H 'content-type: application/json' \
  --data-raw '{"limit":5,"query":"\u4eba\u53e3","region":"jp"}' \
  | 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%2Fhubvibe-io.com%2Fwork%2Fopendata%2Fsearch&method=POST
const res = await pay("https://hubvibe-io.com/work/opendata/search", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "limit": 5,
    "query": "\u4eba\u53e3",
    "region": "jp"
  }),
});
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.post(
        "https://hubvibe-io.com/work/opendata/search",
        json={
            "limit": 5,
            "query": "\u4eba\u53e3",
            "region": "jp",
        },
    )
    print(res.status_code, res.text)