> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://developers.deepgram.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.deepgram.com/_mcp/server.

## Expanded Language Detection: Now Supports 35 Languages for Pre-Recorded Audio

Language Detection for pre-recorded (batch) audio now supports 35 languages (previously 16), allowing you to automatically detect and transcribe a much broader array of languages with one request. Enable broader coverage by setting `detect_language=true` in your API call.

**Supported languages:**
- Bulgarian (`bg`)
- Catalan (`ca`)
- Czech (`cs`)
- Danish (`da`)
- German (`de`)
- German (Switzerland) (`de-CH`)
- Greek (`el`)
- English (`en`)
- Spanish (`es`)
- Estonian (`et`)
- Finnish (`fi`)
- French (`fr`)
- Hindi (`hi`)
- Hungarian (`hu`)
- Indonesian (`id`)
- Italian (`it`)
- Japanese (`ja`)
- Korean (`ko`)
- Lithuanian (`lt`)
- Latvian (`lv`)
- Malay (`ms`)
- Dutch (`nl`)
- Flemish (`nl-BE`)
- Norwegian (`no`)
- Polish (`pl`)
- Portuguese (`pt`)
- Romanian (`ro`)
- Russian (`ru`)
- Slovak (`sk`)
- Swedish (`sv`)
- Thai (`th`)
- Turkish (`tr`)
- Ukrainian (`uk`)
- Vietnamese (`vi`)
- Chinese (`zh`)


For the full list and up-to-date documentation, see the [Language Detection documentation](https://developers.deepgram.com/docs/language-detection).