Hi Ilya,
Thanks for reaching out. Unfortunately, there is no report available to get the maximum conversion window size related in the API. What you can do instead is use the ConversionTypeName segment in the campaign performance report to get metrics for your conversion actions. Then, you can use the ConversionTrackerServices to get the window size related information with CtcLookbackWindow and viewthroughLookbackWindow fields.
I would recommend keeping an eye on our Developer Blog for information on future releases
Let me know if you have any questions.
Thanks,
Nirmita Patel Google Ads Team
Hi Ilya,
Thanks for reaching out. Please find answers to your questions below.
I hope this cleared up your confusion. Let me know if you have any additional questions.
Thanks,
Nirmita Patel Google Ads Team