Reference materials on how to use local APIs (static library) and a dynamic library (DLL on Windows, shared library on Unix)View Reference Guides
Reference materials on how to get data in and out of our REST APIs.View Quickstart Guides
Browse and search through Melissa's detailed product information.View Wiki
Information on Melissa's persistent, unique 10-digit key assigned to each U.S., Canadian and international address to improve address standardization, updating, matching and enrichment processes.View Info
Having trouble coding an address, or receiving unexpected results?Submit Address
Matrix showing address, phone, geocoding & identity coverage for Melissa global products.View Support Countries
Descriptions of the results returned by our products so you know exactly what was done to your data.View Result Codes
Dashboard showing real-time status, response times and outage history.View Status
Map of current server locations, redundancy, and dynamic response available via AWS.View Locations
Information on how Melissa cares for your data and maintains compliance with GDPR, SOC 2, HIPAA and other regulations.View Certifications
View the release date calendar for our products.View Schedules
Get the latest on new features and product advisories.View Product News & Updates
Read articles on how to achieve the best results using Melissa's best-of-breed address verification and related services.Read Articles
Access real-time Web APIs for testing and rapid application development.Access Portal
A monthly subscription of 5,000 lookups is good for either 5,000 lookups or for one month, whichever comes first. A subscription runs for either the number of lookups or for the period of time specified.
Easy! After your purchase, select "Off" from the Auto-Renew Plan's dropdown list on the subscription page.
It renews at the same level as your current plan unless you have specified another plan or have turned the renewal off. Need to change plans? Change it on the subscription page.