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Johto Data API – Japan Invoice Registration Check
x402
Johto Data API – Japan Invoice Registration Check is a paid API for AI agents from johto-x402-api.johtodata.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-28).
Looks up a Japanese consumption tax invoice registration number (T + 13 digits) against Japan's NTA invoice publication system and returns entity name, registration status, prefecture, and key dates.
Price / call$0.02
Success—
StatusUnknown
How this service works
Valuable data. Quality leads. Paid per call in USDC on Base via x402. Not charged if the fetch fails or nothing matches. Prices per call (USDC): /v1/jp-invoice-check $0.002; /v1/sec-13f $0.003; /v1/sec-8k $0.003; /v1/sanctions-screen $0.0025; /v1/tenders $0.011; /v1/uk-tenders $0.003; /v1/fr-tenders $0.006; /v1/au-contracts $0.0035; /v1/wallet-risk $0.0025; /v1/kyb $0.0029; /v1/read $0.0019; /v1/crawl $0.0045; /v1/jobs $0.01; /v1/domain-profile $0.003.
Output
A JSON object containing an array of matched records (data) and a row count. Each record includes the entity's Japanese name, registration number, status (registered or expired), prefecture, registration date, last update date, optional expiry date, data freshness date, and the NTA source URL. Returns an empty array with rows: 0 if no match is found; no charge is applied for failed or empty fetches.
Example use cases
Accounts payable invoice validation
“Before I process this invoice from our Japanese supplier, can you verify their registration number T1010705000243 is still active and tell me the company name and when it was registered?”
Vendor due diligence on Japanese partner
“I'm onboarding a new vendor in Tokyo — their invoice number is T1011705001685. Can you pull their registration details from the NTA system so I can confirm they're legit?”
Automated compliance audit of JP invoices
“I have a batch of Japanese invoices and the first one claims registration number T2021234567890 — can you check if that number is registered, expired, or unknown so I can flag it for my compliance review?”
Technical details
Endpoint
GEThttps://johto-x402-api.johtodata.workers.dev/v1/jp-invoice-check?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to validate or enrich data about a Japanese entity using its consumption tax invoice registration number (T-number). It is the right choice for accounts payable automation, supplier onboarding, or compliance workflows involving Japanese businesses. It sources directly from the authoritative NTA invoice publication system and is pay-per-successful-call, making it cost-efficient for both bulk and one-off lookups.
Side effects
- Invalid registration number format (must match T + exactly 13 digits) — request rejected before payment
- No matching record found — empty data array returned, no charge applied
- NTA source system unavailable — fetch fails, no charge applied
- Payment failure via x402 — request not processed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"data": [
{
"name": "リベージュインターナショナル有限会社",
"source": "https://www.invoice-kohyo.nta.go.jp/",
"status": "registered",
"data_as_of": "2026-10-21",
"prefecture": "東京都",
"update_date": "2023-01-25",
"registration_date": "2023-10-01",
"registration_number": "T1010102010845"
},
{
"name": "霊源寺",
"source": "https://www.invoice-kohyo.nta.go.jp/",
"status": "expired",
"data_as_of": "2026-10-21",
"prefecture": "東京都",
"expire_date": "2025-04-01",
"update_date": "2025-03-27",
"registration_date": "2023-10-01",
"registration_number": "T1010705000243"
},
{
"name": "特定非営利活動法人Ｑｕａｌｉｔｙ Ｓｐｏｒｔｓ Ｌｉｆｅ",
"source": "https://www.invoice-kohyo.nta.go.jp/",
"status": "expired",
"data_as_of": "2026-10-21",
"prefecture": "東京都",
"expire_date": "2025-07-01",
"update_date": "2025-07-18",
"registration_date": "2023-10-01",
"registration_number": "T1011705001685"
}
],
"rows": 3
}
}Tags
x402
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