Ja Bank Name Check

{
  "accountNameVerified": false,
  "candidate": {
    "formatValid": true,
    "halfwidthUnits": 5,
    "issues": [],
    "name": "ｶ)ﾆﾎﾝ"
  },
  "changes": [
    {
      "endUtf16": 0,
      "from": "",
      "reason": "EXPLICIT_CORPORATION",
      "startUtf16": 0,
      "to": "ｶ)"
    },
    {
      "endUtf16": 1,
      "from": "ニ",
      "reason": "PROFILE_NORMALIZATION",
      "startUtf16": 0,
      "to": "ﾆ"
    },
    {
      "endUtf16": 2,
      "from": "ホ",
      "reason": "PROFILE_NORMALIZATION",
      "startUtf16": 1,
      "to": "ﾎ"
    },
    {
      "endUtf16": 3,
      "from": "ン",
      "reason": "PROFILE_NORMALIZATION",
      "startUtf16": 2,
      "to": "ﾝ"
    }
  ],
  "field": "recipient",
  "formatValid": false,
  "input": {
    "halfwidthUnits": null,
    "name": "ニホン"
  },
  "issues": [
    {
      "code": "DISALLOWED_CHARACTER",
      "endUtf16": 1,
      "message": "This character is not in the selected profile.",
      "severity": "error",
      "startUtf16": 0
    },
    {
      "code": "DISALLOWED_CHARACTER",
      "endUtf16": 2,
      "message": "This character is not in the selected profile.",
      "severity": "error",
      "startUtf16": 1
    },
    {
      "code": "DISALLOWED_CHARACTER",
      "endUtf16": 3,
      "message": "This character is not in the selected profile.",
      "severity": "error",
      "startUtf16": 2
    }
  ],
  "maxHalfwidthUnits": 30,
  "ok": true,
  "paid": true,
  "profile": "paypay-web-sofuri-zengin-csv-20241107",
  "requiresConfirmation": true,
  "rulesVersion": "2026-09-30.1",
  "scope": "Name field syntax and listed corporate abbreviations only; no account-name lookup or transfer guarantee.",
  "source": {
    "pages": [
      32,
      33,
      34
    ],
    "revision": "2024-11-07",
    "url": "https://www.paypay-bank.co.jp/business/payment/transfer-all/guide/manual.pdf"
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://after6labo-x402-testnet.silly-detective.workers.dev/paid/ja-bank-name-check' \
  -H 'content-type: application/json' \
  --data-raw '{"corporation":{"position":"prefix","type":"\u682a\u5f0f\u4f1a\u793e"},"field":"recipient","name":"\u30cb\u30db\u30f3","profile":"paypay-web-sofuri-zengin-csv-20241107"}'

# 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://after6labo-x402-testnet.silly-detective.workers.dev/paid/ja-bank-name-check' \
  -H 'content-type: application/json' \
  --data-raw '{"corporation":{"position":"prefix","type":"\u682a\u5f0f\u4f1a\u793e"},"field":"recipient","name":"\u30cb\u30db\u30f3","profile":"paypay-web-sofuri-zengin-csv-20241107"}' \
  | 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 $0.001 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.001" });
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 $0.001 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fafter6labo-x402-testnet.silly-detective.workers.dev%2Fpaid%2Fja-bank-name-check&method=POST
const res = await pay("https://after6labo-x402-testnet.silly-detective.workers.dev/paid/ja-bank-name-check", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "corporation": {
      "position": "prefix",
      "type": "\u682a\u5f0f\u4f1a\u793e"
    },
    "field": "recipient",
    "name": "\u30cb\u30db\u30f3",
    "profile": "paypay-web-sofuri-zengin-csv-20241107"
  }),
});
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 $0.001 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.001"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://after6labo-x402-testnet.silly-detective.workers.dev/paid/ja-bank-name-check",
        json={
            "corporation": {
                "position": "prefix",
                "type": "\u682a\u5f0f\u4f1a\u793e",
            },
            "field": "recipient",
            "name": "\u30cb\u30db\u30f3",
            "profile": "paypay-web-sofuri-zengin-csv-20241107",
        },
    )
    print(res.status_code, res.text)