Hi Shakhboz,
Thank you for raising your concern to the Google Ads API team.
To confirm, yes you need to have monthly invoicing enabled for the Google Ads account. However, as mentioned on this document, you might be able to use the monthly invoicing payment setting if your business meets certain requirements. These requirement include, but aren't limited to the following:
Based on the requirements, newly created ad account would not be able to enable the monthly invoicing, however, it would be best to confirm with the Google Ads Product support team as they are more familiar with this setup.
From the Google Ads API perspective, one you have the setting enabled, you can use our invoice service. You can create new billing setups using existing payments account or ones created at the same time.
Let me know if you have any questions.
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Google Ads API Team |