Supported languages

The Async API supports multiple languages for speech-to-text transcription.

Currently supported languages with corresponding BCP-47 language codes:

Supported Languages	Code
English (United States)	`en-US`
English (United Kingdom)	`en-GB`
English (Australia)	`en-AU`
English (Ireland)	`en-IE`
English (India)	`en-IN`
English (South Africa)	`en-ZA`
English (New Zealand)	`en-NZ`
Russian (Russian Federation)	`ru-RU`
French (Canada)	`fr-CA`
French (France)	`fr-FR`
French (Luxembourg)	`fr-LU`
French (Switzerland)	`fr-CH`
German (Germany)	`de-DE`
German (Austria)	`de-AT`
German (Belgium)	`de-BE`
German (Luxembourg)	`de-LU`
German (Switzerland)	`de-CH`
Italian (Italy)	`it-IT`
Italian (Switzerland)	`it-CH`
Dutch (Netherlands)	`nl-NL`
Japanese (Japan)	`ja-JP`
Spanish (United States)	`es-US`
Spanish (Spain)	`es-ES`
Arabic (Saudi Arabia)	`ar-SA`
Hindi (India)	`hi-IN`
Portuguese (Brazil)	`pt-BR`
Portuguese (Portugal)	`pt-PT`
Persian (Iran)	`fa-IR`

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If the parameter languageCode is not specified, the default language is en-US English (United States).

Insights like action items, follow-ups, topics, and so on are detected for English language only.

Passing the Parameters

In Submit File Async POST (Async Audio, Async Video) & PUT (Async Audio, Async Video) pass the languageCode in the query parameter.
In Async URL APIs POST (Async Audio URL, Async Video URL) & PUT (Async Audio URL, Async Video URL) pass the languageCode in therequest body.