GET /institution-types
Operation ID: listInstitutionTypes
Auth: unknown
Description
Get a list of institution types (education, healthcare, company, etc.).
Parameters (10)
(string, query, required)
Your OpenAlex API key (required). Get a free key at https://openalex.org/settings/api
(string, query, optional)
Cursor for deep pagination. Use `cursor=*` to start, then use the `next_cursor` from the response.
(string, query, optional)
Filter institution types. Examples: `id:education`, `works_count:>1000000`
(string, query, optional)
Group results by a field and return counts. Available fields vary by entity type.
(integer, query, optional)
Page number for pagination. Use cursor for deep pagination beyond 10,000 results.
Constraints: {'minimum': 1}
(integer, query, optional, default: 25)
Number of results per page (1-100, default 25)
Constraints: {'minimum': 1, 'maximum': 100}
(integer, query, optional)
Return a random sample of N results (max 10,000). Cannot be used with sort or page.
Constraints: {'maximum': 10000}
(string, query, optional)
Full-text search across titles, abstracts, and other text fields. Example: `search=machine learning`
(string, query, optional)
Comma-separated list of fields to return. Reduces response size. Example: `select=id,display_name,cited_by_count`
(string, query, optional)
Sort by: `works_count`, `cited_by_count`. Prefix with `-` for descending.
Examples (3)
| Title | Type | URL | Action |
|---|---|---|---|
| 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
Status Codes
| Time | Status | Latency | Size |
|---|---|---|---|
| 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
| When | Old | New |
|---|---|---|
| 2026-03-22 21:30:22.438170 | 6854f008adf4 |
cfee29f30da4 |
| 2026-03-23 09:02:04.835840 | cfee29f30da4 |
d77c55a63d86 |