Tips & Tricks

Retrieving and Leveraging Melissa Address Keys

By Joseph Vertido,
Data Quality Analyst


Melissa Address Keys have been introduced to our product stacks to provide a proprietary identification key for addresses. Melissa Address Keys (MAK), replace the old AddressKey Property which was available in our Address Verification Solutions. With the introduction of the MAK, we provide a consistent and reliable way to uniquely identify address records in your database.

The following products now currently return a MAK:

  1. Address Object
  2. Personator

I. Address Object

Here are the steps to retrieve the MAK in the Address Object:

  1. Make sure to set your Melissa Address Key Data Files
    AddrObj.SetPathToAddrKeyDataFiles(“Data File Location”);
  2. Initialize your data files, set your input address and call the VerifyAddress function
  3. Retrieve the Melissa Address Key
    AddrObj.GetMelissaAddressKey();

II. Personator

To retrieve the MAK in Personator, simply look for the MelissaAddressKey Output which is already part of the default output in the XML/SOAP/JSON Response:

Response Record

Leveraging MAKs

By running your addresses through the Address Object or Personator, you can retrieve the MAK for all good/valid addresses. The MAK is a unique 10-digit number, much like a barcode or ISBN, that we have assigned to every single valid address in the U.S. Since the MAK is a unique identifier for an address, it can be used for the following: