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Adoptium API

NOTICE: AdoptOpenJDK API v3 has been deprecated as part of the move to Eclipse Foundation and rebrand to Adoptium.


The Adoptium API provides a way to consume JSON information about the Adoptium Temurin releases and nightly builds.
Sign up to the #api Slack channel where major API updates will be announced, and visit to find out more about the community.


The API is documented using Swagger. The Swagger documentation can be viewed at: The Open API spec for this can be viewed at:

For more information, including example queries, please look at the API cookbook.

Who's using the Adoptium API?

The Adoptium API (and its predecessor at AdoptOpenJDK) has served over 200 million downloads by a wide variety consumers, from individuals to organizations.

Check the Download Statistics Dashboard for the latest numbers.

The following list highlights a small subset of consumers and their use-cases:

Version Bump

When a new version of Java is released, the version at Versions.kt, or by setting the property LATEST_JAVA_VERSION on the deployment.


To learn more about how we build & run the API, check out and the FAQs.