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Embedded Cube surfaces — dashboards, Analytics Chat, and the full app in Creator Mode — can render their UI in any of the supported languages. You can set a default language for the whole account, override it per embed with a URL parameter, or switch it at runtime from the host page.
Available on Premium and Enterprise plans.

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Supported languages

LanguageLocale code
English (US)en-US
Deutsch (Deutschland)de-DE
Español (España)es-ES
Español (Latinoamérica)es-MX
Français (France)fr-FR
Italiano (Italia)it-IT
日本語 (日本)ja-JP
Norsk bokmål (Norge)nb-NO
Português (Brasil)pt-BR
Português (Portugal)pt-PT
Svenska (Sverige)sv-SE
Tiếng Việt (Việt Nam)vi-VN
English (en-US) is the default and the fallback when no language is configured. A locale value can be a full code (es-ES), a short language code (es), or a regional variant that isn’t shipped (es-AR). Short codes and unsupported regional variants resolve to the first supported locale for that language — for example, both es and es-AR resolve to es-ES. A value that doesn’t match any supported language is ignored.

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How the language is resolved

The language of an embedded surface is resolved from the following sources, highest priority first:
  1. Runtime override — a cube:action:set-locale message sent from the host page (see At runtime).
  2. URL parameter — the ?locale= query parameter on the embed URL (see Per embed via URL).
  3. Account default — the language configured in Embed → Settings (see Account-wide default).
  4. Fallback — en-US.

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Account-wide default

Set a default language for all embedded surfaces from the Cube Cloud console:
  1. Go to Embed → Settings.
  2. In the Language card, pick a language from the dropdown.
The selected language applies to every embedded surface across the account, unless a specific embed overrides it with a ?locale= URL parameter or a runtime cube:action:set-locale message. Clearing the setting removes the stored default, and embeds fall back to en-US (or to whatever a per-embed override specifies).

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Per embed via URL

Override the account default for an individual embed by adding the ?locale= query parameter to the embed URL: 
https://your-tenant.cubecloud.dev/embed/dashboard/YOUR_DASHBOARD_PUBLIC_ID?session=YOUR_SESSION_ID&locale=es-MX
The parameter is read once when the embed loads and pinned for the session, so in-app navigation won’t drop it.

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At runtime

Switch the language after the embed has loaded by sending a cube:action:set-locale message from the host page. This takes precedence over both the URL parameter and the account default: 
sendAction("cube:action:set-locale", { locale: "es" });
See Events and actions for the full host ↔ embed messaging contract.