We are reviewing the metrics provided to advertisers for accuracy and value. Starting January 12, 2026, certain metrics in the Ads Insights API will have limited availability regarding attribution windows and breakdowns.
Deprecation and Changes
Attribution Window Availability
- The 7-day view (7d_view) and 28-day view (28d_view) attribution windows will be deprecated.
- Attribution windows such as 1-day click, 7-day click, 28-day click, 1-day engaged view, and 1-day view will remain available, along with default values based on advertisers' settings for fields like actions, conversions, and results.
Breakdown Availability
- Starting January 12, 2026, certain breakdowns will be restricted:
- Unique-count fields (e.g., unique_actions, cost_per_unique_action_type) will be limited to 13 months of historical data.
- Hourly breakdowns (e.g., hourly_stats_aggregated_by_advertiser_time_zone, user_time_zone) will also be limited to 13 months.
- Frequency breakdowns (e.g., frequency_value) will be limited to 6 months.
- MMM breakdowns (e.g., mmm) will be restricted to asynchronous jobs.
Total values for API fields will remain unaffected and available for up to 37 months. For a complete list of changes, refer to the changelog.