/ catalog…
Catalog
Every x402, MPP, MCP, and skill listing we've indexed, normalized, and enriched.
x402· baseq 0.72
Search Semantic Scholar's 200M+ papers via x402 micropayment — citations, abstracts, open-access PDFs.
semantic-scholar-searchacademic-paper-searchcitation-graph-data+5
per_call
x402· baseq 0.72
Search arXiv papers for academic preprints via x402 micropayment at $0.005 per query.
arxiv-searchacademic-paper-lookupcategory-filtering+5
per_call
x402· baseq 0.82
Multi-source intelligence search across 19+ platforms in a single API call, paid via x402 micropayments.
multi-source-searchparallel-aggregationhacker-news-search+16
per_call
x402· baseq 0.82
Search 19+ platforms (GitHub, HN, arXiv, X/Twitter, Reddit, npm, PyPI, and more) in a single x402 API call.
multi-source-searchhacker-news-searchgithub-search+17
per_call
x402· baseq 0.82
Discover rising sub-topics within any biomedical research field via multi-year growth analysis from OpenAlex data.
pubmed-analyticsopenalex-topic-breakdownsubtopic-growth-detection+7
per_call
x402· baseq 0.88
Year-by-year PubMed publication trends, growth analytics, and CAGR for any biomedical topic — $0.01/query via x402.
pubmed-searchpublication-trend-analysisyear-over-year-growth+10
per_call
x402· baseq 0.82
Single-year biomedical publication count from PubMed, paid per query via USDC on Base.
pubmed-searchpublication-countsingle-year-lookup+6
per_call
x402· baseq 0.82
Real-time biomedical research pulse — 7d/30d/90d publication volumes from PubMed with year-over-year change for any topic.
pubmed-searchpublication-volume-trackingyear-over-year-change+6
per_call
x402· baseq 0.55
Pay-per-query research trend analytics from 36M+ PubMed articles via x402/MPP in USDC.
pubmed-searchpublication-trendsemerging-topic-detection+11
per_call
x402· baseq 0.40
Pay-per-call AI memecoin research with sentiment, momentum, and trading insights via x402.
memecoin-researchsentiment-analysismomentum-tracking+8
per_call
x402· baseq 0.15
Market research analyst API: competitive intelligence, market sizing, and customer insights via x402.
market-analysiscompetitive-intelligencemarket-sizing+3
0.03 USDC / call
x402· baseq 0.45
Pay-per-query deep Web3 research agent via x402 on Base
web3-researchx402-paymentbase-network+4
0.5 AUSD / call