402x402Hub
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Academic Paper Search

api

api.kadec0.xyz

A87

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.

network: basepaid$0.02 USDCx402HTTP

Trust Score breakdown

Usage

187 calls/30d

57 /100
×0.294
Maintenance (recency)

called 0d ago

100 /100
×0.235
Verification

verification verified (100%)

100 /100
×0.353
Metadata completeness

meta: description, tags, price

100 /100
×0.118

Total is a weighted sum; missing signals are excluded and the rest renormalized — a transparent, open algorithm.

x402Hub verification

✓ Verified
✓Valid endpoint URLapi.kadec0.xyz
✓HTTPS secure connectionhttps
✓Valid x402 payment schemebase / paid
✓Complete metadata402 chars, 5 tags
✓Recent real usage0d ago, 187 calls/30d

Verified independently by x402Hub — not self-reported by the source (e.g. Bazaar). We check publicly observable signals: URL, HTTPS, x402 protocol conformance, and real usage.

30-day calls
187
Success rate
—
Data source
bazaar
Endpoint ↗