Supported languages
The languages Handhold agents can hold a conversation in, by agent type, and how to set the locale.
Demo agent (voice conversations): Danish (da), Dutch (nl), English (en), Estonian (et), Finnish (fi), French (fr), German (de), Italian (it), Latvian (lv), Lithuanian (lt), Norwegian (no), Polish (pl), Spanish (es), Swedish (sv)
Inbound Q&A & Onboarding agents (all of the above, plus): Azerbaijani (az), Bulgarian (bg), Croatian (hr), Czech (cs), Georgian (ka), Greek (el), Hungarian (hu), Portuguese (pt), Romanian (ro), Russian (ru), Slovak (sk), Ukrainian (uk)
Enabling languages
Every organisation starts with English. Enable further languages in Organisation settings, then choose which of them each agent offers. Only the languages enabled for both the organisation and the agent are offered to its visitors.
For each enabled language you can override the English values of the agent's name, initial suggestions, workflows, actions, data fields, vocabulary, pronunciations, and assets including their files. Demo agents can also override the voice, product access and preview asset. Anything you leave blank falls back to the English value, so you can translate as much or as little as you need.
Removing a language from an agent hides its translations without deleting them. Removing it from the organisation switches it off for every agent and hides shared overrides such as data fields, vocabulary and assets, again without deleting anything. Enabling it again at the organisation brings back the shared overrides and every agent that still lists the language, with their earlier translations.
Setting the locale
Set the locale via the iframe URL parameter &locale= or the locale option in openDemo(). You can pass either a short language code (pl) or a full regional code (pl-PL). The region is ignored, so en, en-US, and en-GB all resolve to the same language.
When you pass no locale, the visitor's browser language is used. An explicit locale always wins over the browser language. A language the agent does not offer, or that Handhold does not support, falls back to English.
Visitors of Demo agents can also switch between the agent's languages on the start screen before the demo begins.
For AI agents: a clean Markdown version is available at /docs/languages.md.