How does multilingual support work in Bolna?
Bolna Voice AI supports 50+ languages and language combinations, enabling you to deploy voice agents globally. Language support is integrated across all components: speech-to-text transcription, LLM processing, and voice synthesis.
Enable languages for your Bolna account
Which languages are supported?
| Language | Language code | BCP Format |
|---|---|---|
| Arabic | ar | ar-AE |
| Bengali | bn | bn-IN |
| Bulgarian | bg | bg-BG |
| Catalan | ca | ca-ES |
| Czech | cs | cs-CZ |
| Danish | da | da-DK |
| Dutch | nl | nl-NL |
| English (Australia) | en-AU | en-AU |
| English + French | multi-fr | multi-fr |
| English + German | multi-de | multi-de |
| English + Hindi | multi-hi | multi-hi |
| English (India) | en-IN | en-IN |
| English (New Zealand) | en-NZ | en-NZ |
| English + Spanish | multi-es | multi-es |
| English (United Kingdom) | en-GB | en-GB |
| English (United States) | en | en-US |
| Estonian | et | et-EE |
| Finnish | fi | fi-FI |
| Flemish | nl-BE | nl-BE |
| French | fr | fr-FR |
| French (Canada) | fr | fr-CA |
| German | de | de-DE |
| German (Switzerland) | de-CH | de-CH |
| Greek | el | el-GR |
| Gujarati | gu | gu-IN |
| Hindi | hi | hi-IN |
| Hungarian | hu | hu-HU |
| Indonesian | id | id-ID |
| Italian | it | it-IT |
| Japanese | ja | ja-JP |
| Kannada | kn | kn-IN |
| Khmer (Cambodia) | km | km-KH |
| Korean | ko | ko-KR |
| Latvian | lv | lv-LV |
| Lithuanian | lt | lt-LT |
| Malay | ms | ms-MY |
| Malayalam | ml | ml-IN |
| Marathi | mr | mr-IN |
| Norwegian | no | nb-NO |
| Polish | pl | pl-PL |
| Portuguese (Brazil) | pt-BR | pt-BR |
| Portuguese (Portugal) | pt | pt-PT |
| Punjabi (India) | pa | pa-IN |
| Romanian | ro | ro-RO |
| Russian | ru | ru-RU |
| Slovak | sk | sk-SK |
| Spanish | es | es-ES |
| Swedish | sv | sv-SE |
| Tamil | ta | ta-IN |
| Telugu | te | te-IN |
| Thai | th | th-TH |
| Turkish | tr | tr-TR |
| Ukrainian | uk | uk-UA |
| Vietnamese | vi | vi-VN |
How to write effective prompts for multilingual agents?
We’ve put together a comprehensive guide outlining best practices and recommendations with example prompts, along with common mistakes to avoid. Review the guide for writing prompts in non-english languages to ensure your multilingual agents perform optimally.Next steps
Ready to deploy multilingual agents? Explore related features:- Browse multilingual agent templates like the Cart Abandonment Agent (English + Hindi)
- Configure voice providers that support your target languages
- Set up transcribers with multi-language support
- Use context variables to personalize conversations in any language

