the402 endpoint detail

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denpyo-api.hp-vladic.workers.dev read invoice

https://denpyo-api.hp-vladic.workers.dev/read/invoice

answers 402

OCR a Japanese invoice (請求書) into JSON — vendor, line items, 8%/10% consumption-tax (消費税) breakdown — and verify the qualified-invoice registration number (適格請求書 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 in one call: qualified/cancelled, registered-name match, corporate record (法人番号). Pre-payment 経理/AP check. POST {url|base64} (PDF/JPEG/PNG). First 2 pages. F

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.04
Network
base
Pay to
0xF2A6416EBb0C594Ab2977695bED061729ddEb47b
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
218 ms
Payment options
2 usable of 2
Last checked
2026-08-15T14:25:25.384Z (1h ago)
Category
identity

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fdenpyo-api.hp-vladic.workers.dev%2Fread%2Finvoice"