Additional features, tools, or issues not covered by specific Microsoft Advertising categories
Hi JC,
Thank you for using our Microsoft Advertising Learn Q&A Platform!
Based on the current Microsoft Advertising Scripts documentation, it is possible to add keywords to a negative keyword list. NegativeKeywordList object - Microsoft Advertising API | Microsoft Learn
However, the documentation does not currently specify whether adding ad group-level negative keywords directly through scripts is supported or unsupported.
To help us further check into this, please reply to the private message I sent. Once we receive your response, we’ll be able to continue the review and provide additional assistance.
Our support teams are pleased to engage in more in-depth discussions about your account through phone, chat, or email to offer review assistance, please see our support page to reach out!
Kind regards,
Len | Microsoft Advertising Support Specialist | 800-518-5689