x402-v2-mint-openbd-isbn-lookup.vercel.app
LiveOtherPay-per-call service
20/20Recent test calls that worked
229 msTypical response time (slow end: 442 ms)
$0.02Price asked on our checks
Same AddressPayment Address (payTo): the same on all 51 checks of the main route
2Directories listing it
6 min agoLast checked (2026-10-31T22:48:16Z)
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.
| Period | Actual |
|---|---|
| Since 2026-10-30 (daily summaries + today's latest 51 checks) | $0.02 |
What changed (last 30 days) #
From 2026-10-30 17:36 UTC. Stored checks cover about 7 days (label: last 30).
No measured changes in this window.
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 |
|---|---|---|---|---|---|
| b153d5feda1395b948e1 | 2026-10-31T22:48:16Z | 402 | Yes | 213 | $0.02 |
| 58919899476518bc8584 | 2026-10-31T22:12:18Z | 402 | Yes | 133 | $0.02 |
| ab7929d1217b32d0fb64 | 2026-10-31T21:36:25Z | 402 | Yes | 202 | $0.02 |
| 9630856ec7c15e0e6fc4 | 2026-10-31T21:02:17Z | 402 | Yes | 179 | $0.02 |
| ff0c8420787dea416f2b | 2026-10-31T20:26:18Z | 402 | Yes | 72 | $0.02 |
Signed, verifiable. Raw data · daily history (JSON) · free quick check (JSON)