The previous Search Ads 360 Reporting API is decommissioned. You can now create your reports using the new Search Ads 360 Reporting API.
Note that the get and getByCustomerId methods in the Search Ads 360 Conversion API are being deprecated in Q3 2025. To continue accessing conversion data, you must create a report using the conversion resource using the new Search Ads 360 Reporting API. See more details here.