GET /languages

openalex.org:openalex-api

Summary: List languages
Operation ID: listLanguages
Auth: unknown
Description

Get a list of languages used in scholarly works.

Parameters (10)

api_key (string, query, required)

Your OpenAlex API key (required). Get a free key at https://openalex.org/settings/api

cursor (string, query, optional)

Cursor for deep pagination. Use `cursor=*` to start, then use the `next_cursor` from the response.

filter (string, query, optional)

Filter languages. Examples: `id:en` (English), `works_count:>100000` See [all Language fields](/api-reference/languages#available-filter-sort-and-group_by-fields).

group_by (string, query, optional)

Group results by a field and return counts. Available fields vary by entity type. See [all Language fields](/api-reference/languages#available-filter-sort-and-group_by-fields).

page (integer, query, optional)

Page number for pagination. Use cursor for deep pagination beyond 10,000 results.

Constraints: {'minimum': 1}

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

Number of results per page (1-100, default 25)

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

sample (integer, query, optional)

Return a random sample of N results (max 10,000). Cannot be used with sort or page.

Constraints: {'maximum': 10000}

search (string, query, optional)

Full-text search across titles, abstracts, and other text fields. Example: `search=machine learning`

select (string, query, optional)

Comma-separated list of fields to return. Reduces response size. Example: `select=id,display_name,cited_by_count`

sort (string, query, optional)

Sort by: `works_count`, `cited_by_count`. Prefix with `-` for descending. See [all Language fields](/api-reference/languages#available-filter-sort-and-group_by-fields).

Examples (3)

TitleTypeURLAction
List languages with pagination curl https://api.openalex.org/languages?page=1&per_page=10
Filter languages by works count and sort by citations curl https://api.openalex.org/languages?filter=works_count:%3E100000&sort=-cited_by_count&per_page=5
Search for English with selected fields curl https://api.openalex.org/languages?search=english&select=id,display_name,works_count

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:51:53.971255 200 220ms
2026-03-23 09:44:11.154636 200 214ms
2026-03-23 09:12:46.055034 400 210ms

Response Changes

WhenOldNew
2026-03-23 09:44:11.154636 a4cf6a0a8158 84b4f1569a0e
2026-03-23 10:51:53.971255 84b4f1569a0e 8f9df525430b