The Rosette entity extraction endpoint uses statistical models, patterns, and exact matching to identify entities in documents. An entity refers to an object of interest such as a person, organization, location, date, or email address. Identifying entities can help you classify documents and the kinds of data they contain.
For using transformations it is required to register on https://www.rosette.com, get an API-key and paste it into transforms settings field:
Rosette provide a free plan with 10000 requests/month.