Overview
Citation lookup and reference list for a paper. Given a DOI, arXiv id, OpenAlex id, or PMID, returns its references (the works it cites) and its cited-by list (recent works that cite it), plus full metadata and citation count — for bibliography building and citation lookup. Keyless via OpenAlex and Semantic Scholar.
Protocol
x402
Price
—
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
research
Provider
kadec0
Source
bazaar
Indexed
2026-06-23 00:15:23
Health
Status
healthy
Latency (p50)
218ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-10-07 07:48:37
Last Healthy
2026-10-07 07:48:37
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-07 07:48:37 | healthy | 402 | 512ms | |
| 2026-10-06 17:50:51 | healthy | 402 | 218ms | |
| 2026-10-06 08:04:56 | healthy | 402 | 503ms | |
| 2026-10-05 23:04:05 | healthy | 402 | 537ms | |
| 2026-10-05 01:59:52 | healthy | 402 | 209ms |