GET /ontologies/{ontologyId}/properties
ac.uk:embl-ebi-ontology-lookup-service-ols-api
Summary: List properties in an ontology
Operation ID: getOntologyProperties
Auth: unknown
Operation ID: getOntologyProperties
Auth: unknown
Description
Returns a paginated list of all properties in the specified ontology
Parameters (4)
lang
(string, query, optional, default: en)
Language code
ontologyId
(string, path, required)
Ontology ID (e.g., 'go', 'efo', 'mondo')
page
(integer, query, optional, default: 0)
Page number (0-indexed)
size
(integer, query, optional, default: 20)
Page size
Examples (3)
| Title | Type | URL | Action |
|---|---|---|---|
| List properties in Gene Ontology | curl |
https://www.ebi.ac.uk/ols4/api/ontologies/go/properties |
|
| List properties with pagination | curl |
https://www.ebi.ac.uk/ols4/api/ontologies/go/properties?page=0&size=10 |
|
| List properties in Experimental Factor Ontology with larger page size | curl |
https://www.ebi.ac.uk/ols4/api/ontologies/efo/properties?page=0&size=50 |
Probe History
Status Codes
| Time | Status | Latency | Size |
|---|---|---|---|
| 2026-03-23 10:44:37.974819 | 200 | 210ms | |
| 2026-03-23 10:29:12.539281 | 200 | 178ms | |
| 2026-03-23 09:50:56.723324 | 200 | 497ms |
Response Changes
| When | Old | New |
|---|---|---|
| 2026-03-23 10:29:12.539281 | 5a462d888442 |
701bbf75251a |
| 2026-03-23 10:44:37.974819 | 701bbf75251a |
21966ff98134 |