x402.silverbackdefi.app
No Recent Successful ChecksOnchain/Crypto DataPay-per-call service
No Recent Successful ChecksLast check
271 msTypical response time (slow end: 360 ms)
–Price asked on our checks
Not Enough Checks YetPayment Address (payTo)
1Directories listing it
23 h agoLast checked (2026-10-30T00:46:29Z)
No longer listed: no USDC-on-Base option in any directory for 3+ days (a directory fact, not a service fact).
Price Asked
Main route, as asked on our signed checks. We found this service through a directory we use only to find services, so its listed price is not shown or compared.
No price recorded yet.
What changed (last 30 days) #
From 2026-10-23 12:47 UTC. Stored checks cover about 7 days (label: last 30).
| When (UTC) | What changed | Measured | Signed record |
|---|---|---|---|
| 2026-10-29 12:05 | Directory listing changed | listed → delisted | Signed receipts |
| 2026-10-24 19:36 | HTTP reply changed | 503 → 530 | Signed receipt |
Our unpaid checks only. Each row links the signed record for the new state. Full machine-readable history (NDJSON) is on Data Pro. See plans · Reply or dispute
Watch this host Email when measured facts change · 1 tool free for 30 days · up to 50 with Pro.
Latest signed receipts
| Signed receipt | Time (UTC) | Reply | Asked For Payment Correctly | ms | Price Asked |
|---|---|---|---|---|---|
| 4e68bb70008874120414 | 2026-10-30T00:46:29Z | 530 | No | 24 | |
| c2b7b9e5b7683ef88626 | 2026-10-29T02:20:19Z | 530 | No | 70 | |
| 52831b5904dac3e04cf1 | 2026-10-27T10:18:13Z | 530 | No | 360 | |
| 4a55260e5be01b1b0460 | 2026-10-24T19:36:14Z | 530 | No | 54 | |
| dc850fb2f0ea0021287f | 2026-10-24T01:06:14Z | 503 | No | 337 |
Signed, verifiable. Raw data · daily history (JSON) · free quick check (JSON)