Microsoft Ads API Now Locks the Gate With Two Keys, Not One

Since 26 August 2026, the Microsoft Ads API rejects account-linking calls sent with only one identifier. What changed, why, and how to fix it by 22 September.
Two Platforms, Ten Days, One Missing Brake Pedal

Your ppc bidding strategy loses its safety net twice in ten days as Microsoft and ChatGPT Ads both quietly hand bid control to the algorithm. What to check.
Microsoft gave brand safety advertising a scalpel, not a sledgehammer

Brand safety advertising on Microsoft now blocks 1,000 unwanted page titles by phrase. Five practical moves before the excluded content terms rollout lands.
Microsoft Ads just built a second den next to Google’s

Microsoft Ads added AI-citation tracking, two Performance Max experiment types and a wider Ad Preview Hub. Here is what actually changed for advertisers.
Microsoft built the right test, then attached the wrong number

Microsoft says Performance Max lifts incremental conversions 8%, footnoted to internal data. Here is how incrementality testing checks that in your own account.