Google Ads · Status at source date: Newsletter archive
Google Ads API will stop accepting new Customer Match adopters on April 1
Starting April 1, 2026, the Google Ads API will stop accepting new Customer Match adopters. Developers who haven't uploaded data to a Customer Match list from October 2025 to March 2026 will encounter a CUSTOMER_NOT_ALLOWLISTED_FOR_THIS_FEATURE error.
This update uses a PMC cover because no suitable source image was available when checked on 8 Sept 2026. Available source and video links are retained.
What changed
Google now recommends using the Data Manager API for importing user data. Existing customers can continue using the Google Ads API during the migration. You should audit your Customer Match setup and begin migrating to the Data Manager API before the April deadline.
Sources & contributor credit
- Newsletter coverage · Paid Media Collective newsletter
Original newsletter text, contributor labels and media for this update.
- Source referenced in newsletterGoogle Ads Developer Blog
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Attribution evidence and limitations
Full attribution review pending.
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- Published on this site
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Original newsletter text and archive evidence
Google Ads API will stop accepting new Customer Match adopters on April 1
Starting April 1, 2026, the Google Ads API will stop accepting new Customer Match adopters. Developers who haven't uploaded data to a Customer Match list from October 2025 to March 2026 will encounter a CUSTOMER_NOT_ALLOWLISTED_FOR_THIS_FEATURE error. Google now recommends using the Data Manager API for importing user data. Existing customers can continue using the Google Ads API during the migration. You should audit your Customer Match setup and begin migrating to the Data Manager API before the April deadline.
Source captured . No explicit first-contributor label was provided for this update.
