API/Supported Languages

Audio Transcriptions

Supported Languages

Our Audio Transcription API supports a wide range of languages. This document provides a comprehensive list of all supported languages and their corresponding language tags.

​Languages

Language	Language Tags
Bulgarian	bg
Catalan	ca
Chinese (Mandarin, Simplified)	zh, zh-CN, zh-Hans
Chinese (Mandarin, Traditional)	zh-TW, zh-Hant
Chinese (Cantonese, Traditional)	zh-HK
Czech	cs
Danish	da, da-DK
Dutch	nl
English	en, en-US, en-AU, en-GB, en-NZ, en-IN
Estonian	et
Finnish	fi
Flemish	nl-BE
French	fr, fr-CA
German	de
German (Switzerland)	de-CH
Greek	el
Hindi	hi
Hungarian	hu
Indonesian	id
Italian	it
Japanese	ja
Korean	ko, ko-KR
Latvian	lv
Lithuanian	lt
Malay	ms
Norwegian	no
Polish	pl
Portuguese	pt, pt-BR, pt-PT
Romanian	ro
Russian	ru
Slovak	sk
Spanish	es, es-419
Swedish	sv, sv-SE
Thai	th, th-TH
Turkish	tr
Ukrainian	uk
Vietnamese	vi

​Multilingual Support

Our API also supports multilingual transcription, which automatically detects and transcribes content in multiple languages within the same audio file. Multilingual transcription will automtically be used for the following supported languages:

Language	Language Tags
Dutch	nl
French	fr
German	de
Hindi	hi
Italian	it
Japanese	ja
Portuguese	pt
Russian	ru
Spanish	es

You may also specify the multi language tag in your request rather than one of the languages listed above:

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wss://api.sully.ai/v1/audio/transcriptions/stream?language=multi&sample_rate=16000