Hi Guilherme,
Thanks for reaching out. With regards to your concern about the campaign type by the Google Ads API, You can see the here all support campaign type. If you have any issue, can you please share the complete report definition and customer id, Please reply privately to the author so that I can further investigate the issue.
Let me know if you have any questions.
Thanks and regards,
Nirmita Patel Google Ads API Team