Update (Feb 1, 2021): Correction to some of the category mappings. this Google Ads Help Center article .October 15th 2020 , these suggestions will be automatically applied if you haven’t already accepted them. Google Ads API, AdWords API and Google Ads Scripts users will see the following changes:ConversionActionCategoryEnumConversionTracker.Category
New Conversion Category
ConversionTracker.Category
Add to cart
LEAD
Begin checkout
LEAD
Purchase
PURCHASE
Subscribe
PURCHASE
Sign-up
SIGNUP
Phone call leads
LEAD
Imported lead
LEAD
Submit lead form
LEAD
Book appointment
LEAD
Request quote
LEAD
Get directions
LEAD
Outbound click
LEAD
Contact
LEAD
Download
DOWNLOAD
Page view
PAGE_VIEW
Engagement
DEFAULT
Store visit
DEFAULT
Store sale
PURCHASE
Other
DEFAULT
Therefore, if you are using the AdWords API to retrieve conversion category types (via reports or services), you will still see existing conversion category types being returned based on the mapping above, which will be different from the migrated new types in Google Ads UI.existing category types . The AdWords API will automatically translate the created conversions to new category types, based on machine learning models. You can find code examples on how to set category type for conversion actions on the AdWords API developer site .ConversionCategoryName, you will see the same existing category types as the ones used in AdWords API, based on the mapping in the above table.forum . - Fei Xiang, Google Ads API Team
