arXiv Preprints API
Pricing
from $1.40 / 1,000 preprint records
Search arXiv, bioRxiv and medRxiv preprints, or look up arXiv IDs and DOIs. One row per preprint with title, abstract, categories, version, dates, links and licence. No author fields. Independent tool, not affiliated with arXiv, bioRxiv or medRxiv.
ID
id
Optional
arXiv id without version (for example 2101.00001), or the bioRxiv or medRxiv DOI.
Server
server
Optional
arxiv, biorxiv or medrxiv.
DOI
doi
Optional
DOI of the preprint. For arXiv it is 10.48550/arXiv..
Published DOI
publishedDoi
Optional
DOI of the journal version when the source lists one, or null.
Title
title
Optional
Preprint title as plain text.
Abstract
abstract
Optional
Abstract as plain text, or null. Null when the preprint has none or Include abstract is off.
Categories
categories
Optional
arXiv category codes such as cs.LG, or the bioRxiv or medRxiv subject area.
Primary category
primaryCategory
Optional
Main arXiv category, or the bioRxiv or medRxiv subject area.
Version
version
Optional
Version number of the listed record. arXiv rows show the latest version.
First posted
firstPostedDate
Optional
Date the first version was posted (YYYY-MM-DD). For bioRxiv and medRxiv it is set only when the listed record is version 1.
Updated
updatedDate
Optional
Date of the listed version (YYYY-MM-DD).
Type
publicationType
Optional
bioRxiv or medRxiv article type such as new results. Null for arXiv.
Licence
licence
Optional
bioRxiv or medRxiv licence of the preprint, as the API writes it (for example cc_by). Null for arXiv, where the licence is set per e-print and is not in the API.
Page URL
absUrl
Optional
Link to the preprint page.
PDF URL
pdfUrl
Optional
Link to the PDF on the source site. The PDF is not downloaded.
Query
query
Optional
The search or identifier that produced the row.
Matched by
matchedBy
Optional
search, arxiv_id or doi.
Retrieved at
retrievedAt
Optional
Time the row was read (ISO 8601).
Data source
dataSource
Optional
arXiv, bioRxiv or medRxiv.
Status
resultStatus
Optional
ok, or not_found for an identifier that matched nothing.
