Google's Conversion API Cutoff Reads Six Months of Your Token Logs
Google's Ads Developer Blog confirmed on May 15 that the Google Ads API will block new offline conversion imports starting June 15, 2026. The cutoff applies to any developer token that did not call ConversionUploadService.UploadClickConversions between December 2025 and May 2026. Tokens outside that six-month usage window