curl --request GET \
  --url https://api.deepl.com/v3/spoken-terms \
  --header 'Authorization: <api-key>'

{
  "spoken_terms": [
    {
      "spoken_terms_id": "def3a26b-3e84-45b3-84ae-0c0aaf3525f7",
      "name": "Technical Terms",
      "term_lists": [
        {
          "lang": "en",
          "entry_count": 3
        }
      ],
      "creation_time": "2025-08-03T14:16:18.329Z"
    }
  ]
}

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

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

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