Tw Property Check

{
  "comparables": {
    "asking_price_per_sqm": 125000,
    "asking_vs_median_pct": 28.5,
    "available": true,
    "count": 50,
    "median_unit_price_per_sqm": 97261,
    "note": "50 comparable sale(s) found for 臺中市西屯區, most recent first (transaction dates 2026-06-10 to 2026-08-03). The data is a single 實價登錄 release batch ingested 2026-09-05, not full market history.",
    "sample": [
      {
        "address": "臺中市西屯區櫻城二街２０號三樓之８",
        "building_area_sqm": 20.43,
        "building_type": "華廈(10層含以下有電梯)",
        "total_price_twd": 2000000,
        "transaction_date_roc": "1150803",
        "unit_price_per_sqm": 97895
      },
      {
        "address": "臺中市西屯區工業區一路５８巷１１弄６號十一樓之８",
        "building_area_sqm": 30.43,
        "building_type": "住宅大樓(11層含以上有電梯)",
        "total_price_twd": 2480000,
        "transaction_date_roc": "1150731",
        "unit_price_per_sqm": 81499
      },
      {
        "address": "臺中市西屯區福上巷２１４號三樓之６",
        "building_area_sqm": 21.36,
        "building_type": "華廈(10層含以下有電梯)",
        "total_price_twd": 1650000,
        "transaction_date_roc": "1150728",
        "unit_price_per_sqm": 77247
      }
    ]
  },
  "disclaimer": "This is guidance based on publicly verified data and known limitations, not a valuation and not legal advice, and does not determine an actual case. Price comparables come from a single 實價登錄 release batch ingested 2026-09-05, a sample and not full market history. Only a licensed appraiser, the court...",
  "liquefaction": {
    "available": false,
    "map_url": "https://www.geologycloud.tw/eq/liquid/map",
    "note": "Not available per-address in this version -- placing a specific address inside a specific liquefaction zone requires real coordinates (geocoding), which this endpoint deliberately does not do (see code comments for why). Check the official interactive map directly for this address."
  },
  "parsed_location": {
    "county": "臺中市",
    "district": "西屯區",
    "matched_from": "臺中市西屯區"
  },
  "red_flags": [],
  "seismic_code_context": {
    "built_year": 1996,
    "note": "Supplied construction year 1996 falls before the widely-used 1999 (921 earthquake) proxy cutoff. Taiwan's Building Seismic Design Code (建築物耐震設計規範) has been revised multiple times, not just once in 1999 -- a pre-921 version, a post-921 revision (raised requirements after the Chi-Chi earthquake reclas..."
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://tariffmonkee.com/paid/tw-property-check?address=%E8%87%BA%E4%B8%AD%E5%B8%82%E8%A5%BF%E5%B1%AF%E5%8D%80%E8%87%BA%E7%81%A3%E5%A4%A7%E9%81%93%E4%B8%89%E6%AE%B5&asking_price_twd=15000000&built_year=1996&unit_area_sqm=120'

# 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://tariffmonkee.com/paid/tw-property-check?address=%E8%87%BA%E4%B8%AD%E5%B8%82%E8%A5%BF%E5%B1%AF%E5%8D%80%E8%87%BA%E7%81%A3%E5%A4%A7%E9%81%93%E4%B8%89%E6%AE%B5&asking_price_twd=15000000&built_year=1996&unit_area_sqm=120' \
  | 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 $0.07 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.07" });
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 $0.07 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftariffmonkee.com%2Fpaid%2Ftw-property-check
const res = await pay("https://tariffmonkee.com/paid/tw-property-check?address=%E8%87%BA%E4%B8%AD%E5%B8%82%E8%A5%BF%E5%B1%AF%E5%8D%80%E8%87%BA%E7%81%A3%E5%A4%A7%E9%81%93%E4%B8%89%E6%AE%B5&asking_price_twd=15000000&built_year=1996&unit_area_sqm=120");
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 $0.07 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.07"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://tariffmonkee.com/paid/tw-property-check?address=%E8%87%BA%E4%B8%AD%E5%B8%82%E8%A5%BF%E5%B1%AF%E5%8D%80%E8%87%BA%E7%81%A3%E5%A4%A7%E9%81%93%E4%B8%89%E6%AE%B5&asking_price_twd=15000000&built_year=1996&unit_area_sqm=120")
    print(res.status_code, res.text)