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After 6 Labo Japanese Bank Transfer Name Validator (Zengin)
x402
After 6 Labo Japanese Bank Transfer Name Validator (Zengin) is a paid API for AI agents from after6labo-x402.silly-detective.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-12).
Validates and corrects Japanese bank transfer recipient/sender names to Zengin halfwidth katakana format, returning issues and a corrected candidate string.
Price / call$0.001
Success—
StatusUnknown
How this service works
Deterministic Japanese text utilities for AI agents, paid per call with x402 (USDC on Base): Unicode/Japanese script text statistics, and a Japanese bank-transfer name (Zengin halfwidth kana) format check with reviewable correction candidates.
Output
Returns a JSON object with: a boolean formatValid flag, a list of character-level issues with severity and UTF-16 offsets, a candidate object with the corrected halfwidth kana name and its unit count, a list of changes applied with reasons (e.g. PROFILE_NORMALIZATION, EXPLICIT_CORPORATION), the maximum allowed halfwidth units, source reference to the PayPay Bank manual, and a scope disclaimer clarifying this is syntax/rules validation only, not account-name lookup.
Example use cases
Validate corporate recipient name for payroll
“I need to verify that '有限会社サクラ商事' is correctly formatted as a recipient name for a Japanese bank transfer — the corporation type is 有限会社 as a prefix — and tell me what the corrected Zengin halfwidth kana name should be.”
Fix sender name for Zengin CSV upload
“Can you check whether 'タナカ タロウ' is a valid sender name for a PayPay bank Sofuri Zengin CSV upload, and show me what changes are needed to make it pass?”
Check individual recipient name before wire transfer
“Before I submit this bank transfer, validate that 'ヤマダ ハナコ' is an acceptable recipient name in Zengin halfwidth katakana format using the paypay-web-sofuri-zengin-csv-20241107 profile, and let me know if there are any issues.”
Technical details
Endpoint
POSThttps://after6labo-x402.silly-detective.workers.dev/paid/ja-bank-name-check?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need deterministic, rules-based validation of Japanese bank transfer names against the Zengin halfwidth katakana standard — specifically for the PayPay Bank Sofuri/Zengin CSV profile. It is ideal for pre-flight checks before submitting bank transfers, batch payroll file generation, or any workflow that must ensure recipient/sender names comply with Japanese banking character restrictions. Unlike general text normalization tools, it understands Japanese corporate entity abbreviations, UTF-16 character offsets, and produces a ready-to-use corrected candidate name with per-character change explanations.
Side effects
- Name contains characters entirely outside Zengin allowed set — all characters flagged as DISALLOWED_CHARACTER errors
- Corporation type or position mismatch causing incorrect abbreviation insertion
- Name exceeds 30 halfwidth units after normalization — candidate still returned but flagged invalid
- Payment fails or x402 authorization not provided — endpoint returns 402 without processing
- Input name is empty or exceeds 2048 UTF-16 units — schema validation error
- Profile enum value not recognized — request rejected with validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| name | string | UTF-16 max 2048. Full name, or base name when corporation is supplied. |
| field | string | |
| profile | string | |
| corporation | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"paid": true,
"field": "recipient",
"input": {
"name": "ニホン",
"halfwidthUnits": null
},
"scope": "Name field syntax and listed corporate abbreviations only; no account-name lookup or transfer guarantee.",
"issues": [
{
"code": "DISALLOWED_CHARACTER",
"message": "This character is not in the selected profile.",
"endUtf16": 1,
"severity": "error",
"startUtf16": 0
},
{
"code": "DISALLOWED_CHARACTER",
"message": "This character is not in the selected profile.",
"endUtf16": 2,
"severity": "error",
"startUtf16": 1
},
{
"code": "DISALLOWED_CHARACTER",
"message": "This character is not in the selected profile.",
"endUtf16": 3,
"severity": "error",
"startUtf16": 2
}
],
"source": {
"url": "https://www.paypay-bank.co.jp/business/payment/transfer-all/guide/manual.pdf",
"pages": [
32,
33,
34
],
"revision": "2024-11-07"
},
"changes": [
{
"to": "ｶ)",
"from": "",
"reason": "EXPLICIT_CORPORATION",
"endUtf16": 0,
"startUtf16": 0
},
{
"to": "ﾆ",
"from": "ニ",
"reason": "PROFILE_NORMALIZATION",
"endUtf16": 1,
"startUtf16": 0
},
{
"to": "ﾎ",
"from": "ホ",
"reason": "PROFILE_NORMALIZATION",
"endUtf16": 2,
"startUtf16": 1
},
{
"to": "ﾝ",
"from": "ン",
"reason": "PROFILE_NORMALIZATION",
"endUtf16": 3,
"startUtf16": 2
}
],
"profile": "paypay-web-sofuri-zengin-csv-20241107",
"candidate": {
"name": "ｶ)ﾆﾎﾝ",
"issues": [],
"formatValid": true,
"halfwidthUnits": 5
},
"formatValid": false,
"rulesVersion": "2026-09-30.1",
"maxHalfwidthUnits": 30,
"accountNameVerified": false,
"requiresConfirmation": true
}
}Tags
x402
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