GET /institution-types

openalex.org:openalex-api

Summary: List institution types
Operation ID: listInstitutionTypes
Auth: unknown
Description

Get a list of institution types (education, healthcare, company, etc.).

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 institution types. Examples: `id:education`, `works_count:>1000000`

group_by (string, query, optional)

Group results by a field and return counts. Available fields vary by entity type.

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.

Examples (3)

TitleTypeURLAction
List all institution types with pagination curl https://api.openalex.org/institution-types?per_page=10&page=1
Filter institution types by ID curl https://api.openalex.org/institution-types?filter=id:education
Select specific fields for institution types curl https://api.openalex.org/institution-types?select=id,display_name,works_count&per_page=5

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 09:02:04.835840 200 226ms
2026-03-22 21:30:22.438170 200 2122ms
2026-03-22 21:14:55.257337 200 350ms

Response Changes

WhenOldNew
2026-03-22 21:30:22.438170 6854f008adf4 cfee29f30da4
2026-03-23 09:02:04.835840 cfee29f30da4 d77c55a63d86