Hi,
Thank you for reaching out to the Google Ads API team.
Moving forward to your concern, kindly note that
test accounts appear in the Google Ads UI as cancelled accounts and it does not support billing or serving, though API requests still work. Test accounts won't affect your live ads or charge your account, hence, they're a useful way to experiment with the API. You may check this
documentation for more information about test accounts.
Regards,
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| Carmela |
| Google Ads API Team |
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