This API is DEFUNCT. Please refer to the Melissa Cloud services. Melissa Data creates data quality and address management solutions for websites and businesses. Their services standardize, verify, and enhance global contact data, including addresses, phone numbers and email addresses.
The Melissa Data MatchUp API allows customer applications to find, merge, and/or eliminate duplicate records across multiple files. The API finds matches in any combination of more than 35 components, plus any specified proprietary data components.