Task

Pubmed

4 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

x402 Web Search x402 REST usage

Web search that returns structured SERP results as JSON. Runs on a dedicated SearXNG instance aggregating multiple engines, so there is no per-engine API key, quota or HTML scraping to manage. Each result carries title,...

search.cyberwarex.com Search & Research 73 calls / 30d checked 2026-11-01

0.003 USDC per call per call

Saylor Innovations Papers x402 REST usage

Paper lookup by DOI, arXiv id, PMID or OpenAlex id - abstract, authors, venue and citations

saylorinnovations.com Search & Research 4 calls / 30d checked 2026-11-01

0.01 USDC per call per call

PubMed search | Vextorium x402 REST usage

Search biomedical literature indexed in PubMed, via OpenAlex (CC0): title, authors, journal, date, DOI, PMID, citation count and open-access link, newest first, with optional year filter. Metadata only (no abstracts).

api.vextorium.com Search & Research 5 calls / 30d checked 2026-11-01

0.003 USDC per call per call

Lumen Works x402 REST

Search PubMed (36M+ biomedical citations): PMID, title, journal, date, authors, DOI, URL and abstract. {query, limit<=50, sort:relevance|date, abstracts:true}.

lumenworks-x402-decoder.onrender.com Search & Research checked 2026-10-29

0.001 USDC per call per call

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