data.spencermcw.com
LiveGov/Regulatory/ProductQuarterly sales-tax rate and boundary changes in the Streamlined Sales Tax states (the service's own listing text)
11/11Recent Test Calls That Worked
305 msTypical Response Time (slow end: 539 ms)
$0.05 / $0.05Listed / Actual Price: match
Same AddressPayment Address (payTo): the same on all 10 checks of the main route
2Directories Listing It
7 min agoLast Checked (2026-10-24T05:10:17Z)
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 |
|---|---|---|---|---|---|
| af65dd3af06cea188db9 | 2026-10-24T05:10:17Z | 402 | Yes | 199 | $0.05 |
| ea895b47c7b0fcab072f | 2026-10-24T04:40:17Z | 402 | Yes | 442 | $0.05 |
| 0112f5a346f4e55c08a6 | 2026-10-24T03:38:13Z | 402 | Yes | 320 | $0.05 |
| 1313623443cd35f937cf | 2026-10-24T01:48:13Z | 402 | Yes | 89 | $0.05 |
| b5365dde410a99a18e1b | 2026-10-23T23:58:13Z | 402 | Yes | 525 | $0.05 |
Every record is digitally signed, so anyone can verify it. More: raw data page · free quick check (JSON)