x402.klimalabs.com
LiveDev UtilitiesEntry point to the x402 Carbon Retirement API on Base. Returns every endpoint you need plus a live snapshot of the top 3 carbon classes and (the service's own listing text)
20/20Recent Test Calls That Worked
347 msTypical Response Time (slow end: 579 ms)
$0.001 / $0.001Listed / Actual Price: match
Same AddressPayment Address (payTo): the same on all 19 checks of the main route
4Directories Listing It
17 min agoLast Checked (2026-10-24T10:54:19Z)
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 | $0.001 | $0.001 | Matches Listing |
Latest Signed Records
| Signed Record | Time (UTC) | Reply | Asked For Payment Correctly | ms | Price Asked |
|---|---|---|---|---|---|
| d9ba06e38c64448a8362 | 2026-10-24T10:54:19Z | 402 | Yes | 464 | $0.001 |
| 4f1eec8013db725b3883 | 2026-10-24T10:22:32Z | 402 | Yes | 295 | $0.001 |
| 41d307c470d104781790 | 2026-10-24T09:52:21Z | 402 | Yes | 231 | $0.001 |
| 0583cc863c25865ef1aa | 2026-10-24T09:20:36Z | 402 | Yes | 298 | $0.001 |
| 48558012cf9a64bd2370 | 2026-10-24T08:50:25Z | 402 | Yes | 364 | $0.001 |
Every record is digitally signed, so anyone can verify it. More: raw data page · free quick check (JSON)