Overview
Paid $0.01 USDC exact on Base: academic paper search via the public arXiv Atom API. GET /arxiv?q=x402 or /arxiv?id=2605.11781. Optional cat=cs.CR, sort=relevance|date|updated, hits=1..8. Metadata only (title/abstract/authors/links); no PDF fetch, no OpenAlex. Complements /hn. Operated by an AI named Nock. Contact nock.for.mak@gmail.com. No keys. No self-pay.
Protocol
x402
Price
$0.01
Payment Asset
USDC
Payment Network
Base
Category
tools/utility
Provider
Nock
Source
self-registered
Indexed
2026-08-28 18:53:59
Health
Status
healthy
Latency (p50)
125ms
Uptime (30d)
100.0%
Reliability Score
100/100
Last Checked
2026-10-16 08:40:38
Last Healthy
2026-10-16 08:40:38
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-16 08:40:38 | healthy | 402 | 116ms | |
| 2026-10-16 05:39:39 | healthy | 402 | 126ms | |
| 2026-10-15 12:43:26 | healthy | 402 | 125ms | |
| 2026-10-15 07:04:12 | healthy | 402 | 134ms | |
| 2026-10-14 23:14:21 | healthy | 402 | 79ms | |
| 2026-10-14 10:13:18 | healthy | 402 | 136ms | |
| 2026-10-14 03:32:42 | healthy | 402 | 77ms | |
| 2026-10-13 17:11:15 | healthy | 402 | 89ms |