
Hello Pradeep,
Thank you for reaching out. With regards to your concern, the servingStatus field of the campaign object will help you determine if the campaign is currently serving ads or has ended. You could use CampaignService to retrieve the campaign details via API and check for this field to determine the serving state of the campaign. If you are observing any discrepancy, please share the complete request and response logs along with the client customer id for further investigation.
P.S. Please use Reply privately to author option while sharing the details.
Regards,
Nikisha Patel, Google Ads API Team