Look up scholarly metadata for any DOI via CrossRef. Returns title, authors, jou...
https://api.x402node.dev/citation/doiOverview
Look up scholarly metadata for any DOI via CrossRef. Returns title, authors, journal, publication date, abstract, citation count, references, license, URL. Use ?doi=10.1038/nature12373. Built for AI research agents doing literature review and citation graph traversal.
Protocol
x402
Price
$0.0080
Payment Asset
USD Coin
Payment Network
Base
Category
tools/search
Provider
x402node
Source
bazaar
Indexed
2026-05-28 20:24:55
Health
Status
healthy
Latency (p50)
416ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-07-30 02:26:11
Last Healthy
2026-07-30 02:26:11
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
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Input Schema
{
"discoverable": true,
"method": "GET",
"queryParams": {
"doi": "DOI string (required)"
},
"type": "http"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-07-30 02:26:11 | healthy | 402 | 419ms | |
| 2026-07-29 22:54:14 | healthy | 402 | 444ms | |
| 2026-07-29 16:01:15 | healthy | 402 | 416ms | |
| 2026-07-29 06:55:08 | healthy | 402 | 413ms | |
| 2026-07-29 03:11:00 | healthy | 402 | 409ms | |
| 2026-07-28 22:48:00 | healthy | 402 | 141ms | |
| 2026-07-28 18:54:38 | healthy | 402 | 421ms | |
| 2026-07-28 15:37:15 | healthy | 402 | 416ms | |
| 2026-07-28 12:16:31 | healthy | 402 | 416ms | |
| 2026-07-28 09:02:38 | healthy | 402 | 141ms | |
| 2026-07-28 03:17:44 | healthy | 402 | 141ms | |
| 2026-07-28 00:55:34 | healthy | 402 | 420ms | |
| 2026-07-27 17:07:12 | healthy | 402 | 141ms | |
| 2026-07-27 13:30:18 | healthy | 402 | 489ms | |
| 2026-07-27 10:44:49 | healthy | 402 | 139ms | |
| 2026-07-27 06:02:56 | healthy | 402 | 412ms |