Hi there,
Thanks for reaching out to the Google Ads API Forum.
In Google Ads API perspective, you should be able to upload / import offline conversions to Google Ads. You may configure enhanced conversions and enhanced conversions for leads. For the API documentation, you may find references below:
Also, for uploading click conversions, you may refer here https://developers.google.com/google-ads/api/docs/conversions/upload-clicks
Let us know if you have further questions.
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Google Ads API Team |