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denpyo-api.hp-vladic.workers.dev verify
https://denpyo-api.hp-vladic.workers.dev/verify
answers 402
Verify a Japanese qualified-invoice registration number (適格請求書発行事業者 インボイス登録番号 / T番号, T+13 digits) against Japan's National Tax Agency (国税庁) registry — no OCR. Returns qualified/cancelled/not-found, registration date, registered name (法人名), corporate number (法人番号) and registry record, checksum, plus optional fuzzy name-match (&name=). Cheapest pre-payment counterparty check for Japanese invoices (請
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.01
- Network
- base
- Pay to
- 0xF2A6416EBb0C594Ab2977695bED061729ddEb47b
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 191 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-08-15T14:25:31.399Z (1h ago)
- Category
- identity
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fdenpyo-api.hp-vladic.workers.dev%2Fverify"