Discover research and citations

Scholarly and trial metadata for topic alerts, literature monitors, and research discovery tools that link back to the source.

Curated by Trilemma Data · Reviewed 2026-08-19

intermediateSmall

Curated biomedical citation records for building topic alerts, evidence discovery tools, publication monitors, and research trend summaries.

First project: Track newly indexed biomedical articles

ResearchJSON +1No key

intermediateSmall

Open scholarly metadata linking works, authors, institutions, sources, topics, and citations for building research-monitoring products.

First project: Track recent work on one research topic

ResearchJSON +2Key

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Open preprint descriptive metadata for building topic alerts and research discovery tools that link back to arXiv.

First project: Watch recent machine-learning preprints

ResearchAtom XMLNo key

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Registered clinical study protocols, locations, recruitment states, and results for building trial finders and research-monitoring tools.

First project: Find recruiting trials for one condition

HealthJSON +1No key

beginnerSmall

Per-article and project pageview counts for building attention monitors and topic-trend tools.

First project: Chart one Wikipedia article's daily pageviews

ResearchJSONNo key

intermediateSmall

Publisher-deposited DOI metadata for building literature monitors, journal alerts, funding analyses, and scholarly-reference tools.

First project: Monitor recent deposits about one topic

ResearchJSONNo key

intermediateLarge

U.S. patent bibliographic records for building assignee, classification, and filing-volume research tools.

First project: List recent utility patent applications

ResearchJSON +3Key

beginnerLarge

Chemical identifiers, properties, and bioassay links for building compound lookup and structure-reference tools.

First project: Look up aspirin identifiers

ResearchJSON +2No key