denpyo-api.hp-vladic.workers.dev
LivePayments/RailsVerify 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) (the service's own listing text)
20/20Recent Test Calls That Worked
262 msTypical Response Time (slow end: 604 ms)
$0.01 / $0.01Listed / Actual Price: match
Same AddressPayment Address (payTo): the same on all 21 checks of the main route
2Directories Listing It
25 min agoLast Checked (2026-10-24T11:14:15Z)
Listed Vs. Actual Price
Listed = the price in the directory listing today, for the main route we test. Actual = the price that route asked for when we called it (from our signed records). Some differences are normal, like prices that depend on the request.
| Period | Listed | Actual | Result |
|---|---|---|---|
| Recent Checks | $0.01 | $0.01 | Matches Listing |
Latest Signed Records
| Signed Record | Time (UTC) | Reply | Asked For Payment Correctly | ms | Price Asked |
|---|---|---|---|---|---|
| 74fba1680dec1e1004a2 | 2026-10-24T11:14:15Z | 402 | Yes | 145 | $0.01 |
| aa818ff5a5d5301e0a1f | 2026-10-24T10:42:21Z | 402 | Yes | 144 | $0.01 |
| 1bf35c599d9b859d959c | 2026-10-24T10:12:16Z | 402 | Yes | 147 | $0.01 |
| 75c7ebdc0366e137022a | 2026-10-24T09:40:23Z | 402 | Yes | 272 | $0.01 |
| b9b2d29c54d6cee3eb35 | 2026-10-24T09:10:24Z | 402 | Yes | 679 | $0.01 |
Every record is digitally signed, so anyone can verify it. More: raw data page · free quick check (JSON)