GET /sources

openalex.org:openalex-api

Summary: List and search sources
Operation ID: listSources
Auth: unknown
Description

Search and filter through publication sources (journals, conferences, repositories) with filtering by ISSN, open access status, and more.

Parameters (8)

cursor (string, query, optional)

Cursor token for deep pagination (start with 'cursor=*')

filter (string, query, optional)

Filter constraints using field:value syntax. Multiple filters can be combined with commas (AND). Supports OR with pipe (|) and NOT with !. Examples: publication_year:2024, authorships.author.id:A5023888391, is_oa:true

page (integer, query, optional, default: 1)

Page number for pagination (capped at 10,000 results total; use cursor for deeper pagination)

Constraints: {'minimum': 1}

per_page (integer, query, optional, default: 25)

Number of results per page (default: 25, max: 100)

Constraints: {'minimum': 1, 'maximum': 100}

sample (integer, query, optional)

Return a random sample of N results (max: 10000)

Constraints: {'minimum': 1, 'maximum': 10000}

search (string, query, optional)

Full-text search query

select (string, query, optional)

Return only specified fields (comma-separated)

sort (string, query, optional)

Sort order using field:direction syntax. Direction can be 'asc' or 'desc'. Example: cited_by_count:desc

Examples (5)

TitleTypeURLAction
Search for Nature journal curl https://api.openalex.org/sources?search=nature
Search with pagination (page 2, 10 results) curl https://api.openalex.org/sources?search=machine%20learning&page=2&per_page=10
Search conferences with max results curl https://api.openalex.org/sources?search=conference&per_page=200
Search sources by name doc_extracted https://api.openalex.org/sources?search=Nature
List sources probe-gate https://api.openalex.org/sources?per_page=25

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:54:57.841392 200 1461ms 0.6MB
2026-03-23 10:53:55.738719 200 1197ms
2026-03-23 10:33:13.056302 200 1978ms 0.6MB
2026-03-23 09:29:41.682040 200 1516ms 2.0MB
2026-03-23 09:28:30.066157 200 2066ms 1.0MB

Response Changes

WhenOldNew
2026-03-23 09:29:41.682040 6aa4011f7ad1 61afb385594d
2026-03-23 10:33:13.056302 61afb385594d 004cc95c97a8
2026-03-23 10:53:55.738719 004cc95c97a8 48520d579629
2026-03-23 10:54:57.841392 48520d579629 d45240f9820c