curl --request PUT \
  --url https://api.deepl.com/v3/spoken-terms/{spoken_terms_id}/term-lists \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "lang": "en",
  "entries": "DeepL\nAPI\nwebhook\nintegration"
}
'

{
  "lang": "en",
  "entry_count": 3
}

{
  "message": "Bad request"
}

{
  "message": "<string>",
  "code": "invalid_content_type"
}

{
  "message": "Forbidden. Authorization failed or feature not available for your plan."
}

{
  "message": "<string>",
  "code": "invalid_content_type"
}

{
  "message": "<string>",
  "code": "invalid_content_type"
}

{
  "message": "Unsupported Content-Type"
}

{
  "message": "<string>",
  "code": "invalid_content_type"
}