Module sources 

Modules

arxiv

biorxiv

core

crossref

dblp

doaj

europepmc

hal

medrxiv

openaire

openalex

pmc

pubmed

scholar

semantic

unpaywall

xueshu

zenodo

Structs

Capabilities

What a source can do. Drives both argument validation and fastpaper sources.

Paper

A paper returned from any source.

SearchCaps

Which search filters a source can honour natively.

SearchQuery

A normalized search request.

Enums

Direction

Which way along a citation edge to walk.

SortField

Field to sort search results by.

SortOrder

Functions

contact_email

Contact address used to identify this client to APIs that ask for one (Crossref’s polite pool, OpenAlex, NCBI E-utilities).

encode_query

Percent-encode a query string for use in URLs.

validate_ymd

Check that a --after / --before value is a plain YYYY-MM-DD date.