language parameter on enrollment and verification calls helps the phoneme segmentation model apply the correct acoustic boundaries for the submitted audio. It’s optional (defaulting to en-UK) but specifying the correct language improves accuracy, particularly for languages with phoneme inventories that differ significantly from English.
Supported language codes
Thelanguage field uses [ISO 639-1]-[ISO 3166-1 alpha-2] format.
| Language | Code |
|---|---|
| English (UK) | en-UK |
| English (US) | en-US |
| French | fr-FR |
| German | de-DE |
| Spanish (Spain) | es-ES |
| Spanish (Latin America) | es-MX |
| Italian | it-IT |
| Portuguese (Brazil) | pt-BR |
| Portuguese (Portugal) | pt-PT |
| Dutch | nl-NL |
| Polish | pl-PL |
| Russian | ru-RU |
| Arabic (Modern Standard) | ar-SA |
| Hindi | hi-IN |
| Mandarin Chinese | zh-CN |
| Japanese | ja-JP |
| Korean | ko-KR |
Additional language support is being expanded continuously. If your use case requires a language not listed, contact support@voxmind.ai — we can often add support for specific languages on request.

