GET /autocomplete/{entity_type}

openalex.org:openalex-api

Summary: Autocomplete search
Operation ID: autocomplete
Auth: unknown
Description

Fast typeahead search returning up to 10 results. Use for search-as-you-type interfaces.

Parameters (4)

api_key (string, query, required)

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

entity_type (string, path, required)

Type of entity to search

Constraints: {'enum': ['works', 'authors', 'sources', 'institutions', 'topics', 'keywords', 'publishers', 'funders']}

filter (string, query, optional)

Filter results using field:value syntax. Multiple filters can be combined with commas (AND) or pipes (OR). Available fields vary by entity type.

q (string, query, required)

Search query string

Examples (5)

TitleTypeURLAction
Autocomplete works for 'machine learning' curl https://api.openalex.org/autocomplete/works?q=machine+learning
Autocomplete authors with filter curl https://api.openalex.org/autocomplete/authors?q=smith&filter=last_known_institution.type:education
Autocomplete institutions curl https://api.openalex.org/autocomplete/institutions?q=university+of+california
Autocomplete authors query doc_extracted https://api.openalex.org/autocomplete/authors?q=einst
Autocomplete institutions query doc_extracted https://api.openalex.org/autocomplete/institutions?q=Royal%20Institute%20of%20Technology

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:47:36.219456 200 501ms
2026-03-23 10:32:07.602980 200 4837ms
2026-03-23 10:23:30.318770 200 523ms
2026-03-23 09:45:19.442190 400 230ms
2026-03-23 09:10:37.510287 200 743ms

Response Changes

WhenOldNew
2026-03-23 09:45:19.442190 1729b0f5f45e d40f0f538235
2026-03-23 10:23:30.318770 d40f0f538235 976d980916e1
2026-03-23 10:32:07.602980 976d980916e1 d231bc76fe8f
2026-03-23 10:47:36.219456 d231bc76fe8f a252c600de93