Customers have asked for new reports that we currently do not provide via the API. These are excellent requests and this is the kind of feedback we welcome via the community and via support. This helps the product team set future direction for feature development.
Currently, using the keyword performance report, you can retrieve the following:
ConversionRate - The conversion rate
Conversions - The number of conversions
CostPerConversion - The cost per conversion.
More report values are described here:
Customers have expressed interest in reports such as PageviewValue, SignupValue, ConversionVAlue, etc. These values are not currently provided in the adCenter API. New features are added regularly so subscribe to the blog or forums for more information about future additions.