hash-hmac.underscoredone.com
LiveDev UtilitiesGive this API any text or binary data and it returns its fingerprint under whichever hash algorithms you choose - SHA-256, SHA-512, MD5, BLA (the service's own listing text)
19/19Recent Test Calls That Worked
151 msTypical Response Time (slow end: 761 ms)
$0.01 / $0.01Listed / Actual Price: match
Same AddressPayment Address (payTo): the same on all 17 checks of the main route
3Directories Listing It
23 min agoLast Checked (2026-10-24T10:24:31Z)
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 |
|---|---|---|---|---|---|
| 00c4c8b98d35d649d23e | 2026-10-24T10:24:31Z | 402 | Yes | 67 | $0.01 |
| 6532174357870985c46b | 2026-10-24T09:54:27Z | 402 | Yes | 114 | $0.01 |
| c3241a8297b3ca7c0d50 | 2026-10-24T09:24:19Z | 402 | Yes | 155 | $0.01 |
| 96f545cdf6ffaadb9d02 | 2026-10-24T08:52:28Z | 402 | Yes | 493 | $0.01 |
| 46ac58dae6f64a1e17c0 | 2026-10-24T08:04:19Z | 402 | Yes | 122 | $0.01 |
Every record is digitally signed, so anyone can verify it. More: raw data page · free quick check (JSON)