EntitiesSources Overview
Sources are where works are hosted: journals, conferences, preprint repositories, and institutional repositories.
Filter, sort, and group_by fields
The API supports filtering, sorting, and grouping on sources fields. See Filtering, Sorting, and Grouping for syntax.
Fields marked (deprecated) are .search filters — use the search parameter instead.
Top-level
| Field |
Sort |
Group_by |
Filter |
apc_usd |
✓ |
✓ |
✓ |
cited_by_count |
✓ |
✓ |
✓ |
continent |
✓ |
✓ |
✓ |
country_code |
✓ |
✓ |
✓ |
display_name |
✓ |
|
✓ |
first_publication_year |
✓ |
|
✓ |
from_created_date |
✓ |
|
✓ |
has_issn |
✓ |
✓ |
✓ |
host_organization |
✓ |
✓ |
✓ |
host_organization_lineage |
✓ |
✓ |
✓ |
is_core |
✓ |
✓ |
✓ |
is_global_south |
✓ |
✓ |
✓ |
is_high_oa_rate |
✓ |
✓ |
✓ |
is_high_oa_rate_since_year |
✓ |
|
✓ |
is_in_doaj |
✓ |
✓ |
✓ |
is_in_doaj_since_year |
✓ |
|
✓ |
is_in_jstage |
|
✓ |
✓ |
is_in_jstage_since_year |
|
|
✓ |
is_oa |
✓ |
✓ |
✓ |
is_ojs |
✓ |
✓ |
✓ |
issn |
✓ |
✓ |
✓ |
issn_l |
✓ |
✓ |
✓ |
last_publication_year |
✓ |
|
✓ |
oa_flip_year |
✓ |
|
✓ |
openalex |
✓ |
✓ |
✓ |
openalex_id |
|
✓ |
✓ |
to_created_date |
✓ |
|
✓ |
to_updated_date |
✓ |
|
✓ |
type |
✓ |
✓ |
✓ |
works_count |
✓ |
✓ |
✓ |
Apc Prices
| Field |
Sort |
Group_by |
Filter |
apc_prices.currency |
✓ |
✓ |
✓ |
apc_prices.price |
✓ |
|
✓ |
Concept
| Field |
Sort |
Group_by |
Filter |
concept.id |
✓ |
✓ |
✓ |
Concepts
| Field |
Sort |
Group_by |
Filter |
concepts.id |
✓ |
✓ |
✓ |
Default
| Field |
Sort |
Group_by |
Filter |
default.search (deprecated) |
|
|
✓ |
Display Name
| Field |
Sort |
Group_by |
Filter |
display_name.search (deprecated) |
|
|
✓ |
Host Organization
| Field |
Sort |
Group_by |
Filter |
host_organization.id |
✓ |
|
✓ |
Ids
| Field |
Sort |
Group_by |
Filter |
ids.mag |
✓ |
|
✓ |
ids.openalex |
✓ |
✓ |
✓ |
Summary Stats
| Field |
Sort |
Group_by |
Filter |
summary_stats.2yr_mean_citedness |
✓ |
✓ |
✓ |
summary_stats.h_index |
✓ |
✓ |
✓ |
summary_stats.i10_index |
✓ |
✓ |
✓ |
Topic Share
| Field |
Sort |
Group_by |
Filter |
topic_share.id |
✓ |
✓ |
✓ |
Topics
| Field |
Sort |
Group_by |
Filter |
topics.id |
|
|
✓ |
X Concepts
| Field |
Sort |
Group_by |
Filter |
x_concepts.id |
✓ |
✓ |
✓ |