https://checkdigit.openverbs.com/v1/isbn
https://checkdigit.openverbs.com/v1/isbnOverview
Protocol
x402
Price
—
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
checkdigit
Source
bazaar
Indexed
2026-09-05 13:13:50
Health
Status
healthy
Latency (p50)
436ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-09-27 09:31:16
Last Healthy
2026-09-27 09:31:16
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-09-27 09:31:16 | healthy | 402 | 433ms | |
| 2026-09-26 23:56:39 | healthy | 402 | 942ms | |
| 2026-09-26 14:58:24 | healthy | 402 | 422ms | |
| 2026-09-26 12:41:52 | healthy | 402 | 503ms | |
| 2026-09-25 23:30:18 | healthy | 402 | 427ms | |
| 2026-09-25 17:59:49 | healthy | 402 | 863ms | |
| 2026-09-24 23:37:18 | healthy | 402 | 458ms | |
| 2026-09-24 21:38:24 | healthy | 402 | 436ms | |
| 2026-09-24 16:38:05 | healthy | 402 | 426ms |