Japan Post Bank uses a unique symbol (記号) + number (番号) account format that differs from the standard Zengin format. Torify converts between the two for cross-bank transfers.
https://torify.dev/v1/yucho/convert
| Name | Type | Required | Description | Example |
|---|---|---|---|---|
kigo |
string | Yes | 5-digit Japan Post symbol (記号) | 12345 |
bango |
string | Yes | 7-8 digit Japan Post number (番号) | 12345678 |
{ "ok": true, "data": { "bankCode": "9900", "branchCode": "...", "accountNumber": "..." } }curl "https://torify.dev/v1/yucho/convert?kigo=12345&bango=12345678"import { wrapFetchWithPayment } from 'x402-fetch';
import { privateKeyToAccount } from 'viem/accounts';
const account = privateKeyToAccount(process.env.PRIVATE_KEY as `0x${string}`);
const fetchWithPayment = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPayment(
'https://torify.dev/v1/yucho/convert?kigo=12345&bango=12345678'
);
const data = await res.json();
console.log(data); // { ok: true, data: { ... } }import requests
# Free MCP tier (no auth) or API key (X-API-Key header)
res = requests.get(
"https://torify.dev/v1/yucho/convert?kigo=12345&bango=12345678",
headers={"X-API-Key": "your_torify_pro_key"}
)
print(res.json())/v1/bank/lookup — Japan Bank Code Lookup: Full Zengin (全銀協) API
/v1/bank/search — Japan Bank Search: Zengin Bank & Branch Name API
/v1/bank/list — Japan Financial Institution List API
/v1/bank/transfer/validate — Japan Bank Transfer Validation API