Language availability for the DeepL Voice API: transcription, translation, and translated speech support per language.
Translation is always provided by DeepL. For some languages, transcription and translated speech are provided by external service partners. All source languages can be translated into any target language.
Language
Transcription
Translation
Translated Speech
Arabic
⎋
✓
⎋
Bengali
⎋
✓
—
Bulgarian
⎋
✓
⎋
Catalan
⎋
✓
⎋
Chinese (simplified)
✓
✓
✓
Chinese (traditional)
✓
✓
✓
Croatian
⎋
✓
⎋
Czech
✓
✓
⎋
Danish
⎋
✓
⎋
Dutch
✓
✓
✓
English (American)
✓
✓
✓
English (British)
✓
✓
✓
Estonian
⎋
✓
—
Finnish
⎋
✓
⎋
French
✓
✓
✓
French (Canadian)
✓
✓
⎋
Galician
⎋
✓
⎋
German
✓
✓
✓
Greek
⎋
✓
⎋
Hebrew
⎋
✓
⎋
Hindi
⎋
✓
⎋
Hungarian
⎋
✓
⎋
Indonesian
✓
✓
⎋
Irish
⎋
✓
—
Italian
✓
✓
✓
Japanese
✓
✓
✓
Korean
✓
✓
✓
Latvian
⎋
✓
—
Lithuanian
⎋
✓
—
Malay
⎋
✓
⎋
Maltese
⎋
✓
—
Norwegian (bokmål)
⎋
✓
⎋
Polish
✓
✓
✓
Portuguese (Brazilian)
✓
✓
✓
Portuguese (European)
✓
✓
✓
Romanian
✓
✓
⎋
Russian
✓
✓
✓
Slovak
⎋
✓
⎋
Slovenian
⎋
✓
⎋
Spanish
✓
✓
✓
Spanish (Latin American)
✓
✓
⎋
Swedish
✓
✓
✓
Tagalog
⎋
✓
⎋
Tamil
⎋
✓
⎋
Thai
⎋
✓
⎋
Turkish
✓
✓
✓
Ukrainian
✓
✓
⎋
Vietnamese
⎋
✓
⎋
✓ provided by DeepL / ⎋ provided by an external service partner / — not available
Transcription provided by external service partners (marked with ⎋) cannot yet auto-detect the source language,
which you must therefore specify explicitly.
To retrieve supported languages and feature availability programmatically, call GET /v3/languages?resource=voice and check for the transcription and translated_speech feature keys. The external flag on these features indicates if they are provided by an external service partner.For audio format support and session limits, see Voice API Requirements.
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