authichain.com
LiveOtherAuthiChain machine verification. Unpaid POST returns HTTP 402. Price is 0.05 USDC on Base. (the service's own listing text)
20/20Recent Test Calls That Worked
127 msTypical Response Time (slow end: 381 ms)
$0.05 / $0.05Listed / Actual Price: match
Same AddressPayment Address (payTo): the same on all 21 checks of the main route
2Directories Listing It
72 s agoLast Checked (2026-10-24T10:40:27Z)
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 | $0.05 | $0.05 | Matches Listing |
Latest Signed Records
| Signed Record | Time (UTC) | Reply | Asked For Payment Correctly | ms | Price Asked |
|---|---|---|---|---|---|
| 537e9b2b229287c074a6 | 2026-10-24T10:40:27Z | 402 | Yes | 78 | $0.05 |
| d716c3f69f82495977e5 | 2026-10-24T10:10:26Z | 402 | Yes | 504 | $0.05 |
| ed57af4c97284164b591 | 2026-10-24T09:40:13Z | 402 | Yes | 112 | $0.05 |
| 574e5a16923288baa18e | 2026-10-24T09:08:32Z | 402 | Yes | 381 | $0.05 |
| 949692acb93fa2582bb9 | 2026-10-24T08:38:20Z | 402 | Yes | 159 | $0.05 |
Every record is digitally signed, so anyone can verify it. More: raw data page · free quick check (JSON)