curl -X POST 'https://api-free.deepl.com/v2/translate' \
-H 'Authorization: DeepL-Auth-Key [yourAuthKey]' \
-d 'text=Hello%2C%20world!' \
-d 'target_lang=DE'
{
"translations": [
{
"detected_source_language": "EN",
"text": "Hallo, Welt!"
}
]
}