SOAP API deprecation announced: REST-only features from October 1, 2026, SOAP shut off January 31, 2027
- Date
- Apr 1, 2026
- Effective
- Jan 31, 2027
- Regions
- Global
- Primary source
- Microsoft Advertising Blog
Microsoft is standardizing on REST for the Microsoft Advertising API. New features ship only to REST from October 1, 2026 and SOAP endpoints are fully deprecated on January 31, 2027; large integrations can request extended migration plans through support.
Primary source: Microsoft Advertising Blog (2026-04-01). Also covered by Microsoft Learn (2026-04-01); PPC Land (2026-04-01); Search Engine Roundtable (2026-04-15).
Sources
- open_in_newEvolving the Microsoft Advertising API PlatformMicrosoft Advertising Blog · Apr 1, 2026
- open_in_newMigrate to REST APIMicrosoft Learn · Apr 1, 2026
- open_in_newMicrosoft Advertising kills SOAP API: what the October 2026 deadline meansPPC Land · Apr 1, 2026
- open_in_newMicrosoft Advertising SOAP API Being Retired Jan 31, 2027Search Engine Roundtable · Apr 15, 2026
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