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
eip155:8453
Category
tools/search
Provider
x402node
Source
bazaar
Indexed
2026-05-28 20:24:55
Health
Status
healthy
Latency (p50)
862ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-10-31 06:58:23
Last Healthy
2026-10-31 06:58:23
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
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Input Schema
{
"method": "GET",
"queryParams": {
"doi": "string"
},
"type": "http"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
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| 2026-10-31 06:58:23 | healthy | 402 | 2521ms | |
| 2026-10-31 05:59:18 | healthy | 402 | 931ms | |
| 2026-10-31 04:58:13 | healthy | 402 | 829ms | |
| 2026-10-31 03:58:20 | healthy | 402 | 657ms | |
| 2026-10-31 02:58:51 | healthy | 402 | 561ms | |
| 2026-10-31 01:58:08 | healthy | 402 | 1143ms | |
| 2026-10-31 00:56:39 | healthy | 402 | 875ms | |
| 2026-10-30 23:57:01 | healthy | 402 | 847ms | |
| 2026-10-30 22:56:39 | healthy | 402 | 787ms | |
| 2026-10-30 21:56:56 | healthy | 402 | 1855ms | |
| 2026-10-30 20:56:38 | healthy | 402 | 862ms | |
| 2026-10-30 19:57:21 | healthy | 402 | 1108ms | |
| 2026-10-30 18:57:23 | healthy | 402 | 749ms |