Migration guides offer essential information for transitioning from the Trading API to newer technologies such as REST.
GetCategories Migration Guide
This guide provides details on migrating from the deprecated GetCategories Trading API call to the REST Taxonomy API and Metadata API methods.
GetCategoryFeatures Migration Guide
This guide describes moving from the deprecated GetCategoryFeatures Trading API call to the REST Metadata API methods. The Metadata API now provides access to features supported by all leaf categories of a marketplace, such as listing durations, shipping term requirements, and Best Offer support. Tables map fields from the Trading API to equivalent fields in the Metadata API methods.