Upcoming Improvements to Offline Conversion Imports

Starting in April, 2026 the Google Ads API will benefit from a series of infrastructure changes designed to improve the Offline Conversion Import experience. These upgrades will not result in any breaking changes to the Google Ads API, however there may be minor fluctuations in attribution rates as the changes are rolled out. Here is a breakdown of the rollout and the improvements you can expect: Improved attribution and fallback recovery (April, 2026): We will implement changes allowing us to attribute some expired GCLIDs and clicks that occurred before a conversion.