Prepare for SOAP API deprecation by moving to REST (opens in new tab)

Microsoft Advertising is evolving its API platform to better meet modern developer needs. As part of this shift, we’re transitioning from the SOAP API to a REST-based architecture that offers improved performance, flexibility, and ease of use. If you’re currently using the SOAP API, now is the time to start planning your migration. What’s changing We’re standardizing on REST APIs as the foundation for all future Microsoft Advertising API development. Beginning October 1, 2026, new API feature...