Overview
Academic and scientific paper search API. Search research papers and scholarly literature across arXiv, PubMed, OpenAlex, Crossref, and Semantic Scholar in one call, deduplicated into a ranked result set: title, authors, year, venue, abstract, citation count, DOI, and direct PDF link. Query by keyword or restrict to one source; filter by year range; sort by relevance, recency, or citations. Keyless.
Protocol
x402
Price
—
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
research
Provider
kadec0
Source
bazaar
Indexed
2026-06-21 23:15:32
Health
Status
healthy
Latency (p50)
538ms
Uptime (30d)
100.0%
Reliability Score
90/100
Last Checked
2026-10-08 02:03:13
Last Healthy
2026-10-08 02:03:13
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-08 02:03:13 | healthy | 402 | 509ms | |
| 2026-10-07 06:31:17 | healthy | 402 | 670ms | |
| 2026-10-06 20:01:19 | healthy | 402 | 229ms | |
| 2026-10-06 07:00:21 | degraded | 402 | 538ms | |
| 2026-10-05 23:16:26 | healthy | 402 | 1107ms | |
| 2026-10-05 07:28:35 | healthy | 402 | 536ms |