Retrieving version of keycloak via the admin API #44323

arngaillard · 2025-11-19T10:53:46Z

arngaillard
Nov 19, 2025

Hi,

I am looking to retrieve the version of keycloak via the admin API. I have seen here that the realm representation might include a keycloakVersion field. However, when querying the <base url>/admin/realms/<my realm name>, I get many fields listed in the RealmRepresentation, but no keycloakVersion to be seen.
I am using keycloak 26.4.0.

Thanks for your help !

Answered by schrenk-hermle

Nov 20, 2025

This was changed in 26.4.0, see the upgrading guide

View full answer

schrenk-hermle · 2025-11-19T15:26:40Z

schrenk-hermle
Nov 19, 2025

There is /admin/serverinfo which provides the data needed for the "Server Info" Page in the UI (/admin/master/console/#/master/info)
However, the serverinfo endpoint is not not listed in the official API documentation and should be used with caution as it can change with updates

5 replies

arngaillard Nov 19, 2025
Author

Thank you, however, I cannot find any mention of the 26.4.0 version I am using in the return of /admin/serverinfo.

schrenk-hermle Nov 20, 2025

The version should be returned in the systemInfo.version field.
What is the payload you get returned?
Keep in mind, the endpoint needs authentication.

arngaillard Nov 20, 2025
Author

I don't even get a systemInfo field in the payload (the payload is very large, probably too large to paste here).
Can it be because the client I utilize to make this request that hasn't got the sufficient permissions/roles (manage-users and manage-realms as of right now) ?

Here are the top level keys of the returned payload.

[
  "builtinProtocolMappers",
  "clientInstallations",
  "componentTypes",
  "cryptoInfo",
  "enums",
  "features",
  "identityProviders",
  "passwordPolicies",
  "profileInfo",
  "protocolMapperTypes",
  "providers",
  "socialProviders",
  "themes"
]

schrenk-hermle Nov 20, 2025

This was changed in 26.4.0, see the upgrading guide

Answer selected by arngaillard

arngaillard Nov 20, 2025
Author

Alright thank you for the resource ! That is what I wanted to know

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