databases > DOI:10.25504/FAIRsharing.Mkl9RR
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ready Ontology Lookup Service


General Information
The Ontology Lookup Service (OLS) is a repository for biomedical ontologies that aims to provide a single point of access to the latest ontology versions. You can browse the ontologies through the website as well as programmatically via the OLS API.

How to cite this record OLS; Ontology Lookup Service; DOI:; Last edited: Jan. 25, 2021, 4:27 p.m.; Last accessed: Oct 27 2021 5:12 p.m.

This record is maintained by OLSSupport

Record added: Dec. 18, 2019, 1:40 p.m.
Record updated: Feb. 6, 2020, 1:01 p.m. by The FAIRsharing Team.

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Additional Information


    No tools defined

Access / Retrieve Data

Conditions of Use

Applies to: Data use

Data Access

REST Web Services


No publications available

Related Standards

Reporting Guidelines

No guidelines defined

Terminology Artifacts

No semantic standards defined

Models and Formats

No syntax standards defined

Identifier Schemas

No identifier schema standards defined


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Related Databases

Implementing Policies

This record is not implemented by any policy.


Record Maintainer



Grant Number(s)

  • 284209 (European Community Seventh Framework Programme)

  • 654248 (EU Horizon 2020)