/v3/languages endpoint, which returns language support per resource along with feature availability (e.g. formality, glossary, auto-detection). The legacy /v2/languages endpoint is also available but deprecated.
Documentation Index
Fetch the complete documentation index at: /llms.txt
Use this file to discover all available pages before exploring further.
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Every language the DeepL API supports, and how to retrieve the list programmatically with feature availability.
/v3/languages endpoint, which returns language support per resource along with feature availability (e.g. formality, glossary, auto-detection). The legacy /v2/languages endpoint is also available but deprecated.