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Getting Performance Max data in reports after migrating from SOAP to REST

JR 0 Reputation points
2026-04-01T14:07:41.3433333+00:00

Hi,

We are in the process of migrating our Microsoft Advertising integration from SOAP to REST. Our primary use case is fetching reporting data.

In the SOAP API, when we generate a report (for instance a GoalsAndFunnelsReport), data for Performance Max campaigns is not included in the response data. However, when we try to make the exact same request using the REST endpoint (with JSON instead of XML), data for Performance Max campaigns is included in the response data, leading to significantly different metric totals compared to the SOAP API.

Our question is simply if this is intended? We have thoroughly checked the documentation and release notes, and have found nothing that would explain this behavior.

Thanks in advance!

Microsoft Advertising API
Microsoft Advertising API

A Microsoft API that provides programmatic access to Microsoft Advertising to manage large campaigns or to integrate your marketing with other in-house systems.

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  1. MS Advertising - Len 0 Reputation points Microsoft External Staff Moderator
    2026-04-02T00:02:44.83+00:00

    Hi JR,

    Thank you for using our Microsoft Advertising Learn Q&A Platform!

    We appreciate the details you’ve provided about your migration experience and the discrepancy you’ve observed between SOAP and REST reporting data. Your findings are acknowledged, and we value the thorough checks you’ve already made against the documentation and release notes.

    All new features and enhancements will be available only via REST starting October 1, 2026. While existing SOAP-based integrations will continue to run with no immediate impact, the SOAP API will be fully deprecated on January 31, 2027.

    For more details, kindly see Evolving the Microsoft Advertising API Platform | Microsoft Advertising

    To confirm whether Performance Max campaigns are supported exclusively in the REST API and not in the legacy SOAP API, kindly reply to the private message I sent you for further review and 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 

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