Product Support Center


On-Premise APIs

Reference materials on how to use local APIs (static library) and a dynamic library (DLL on Windows, shared library on Unix)

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Cloud APIs

Reference materials on how to get data in and out of our REST APIs.

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Browse and search through Melissa's detailed product information.

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Melissa Address Key (MAK)

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.

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Our Data

Release Notes

Get information about new features, enhancements, and updates for the most recent releases of Melissa products.

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Global Roadmap

See Melissa's upcoming and released global initiatives.

View Global Roadmap

Address Coding Support

Having trouble coding an address, or receiving unexpected results?

Submit Address

Data Coverage by Country

Matrix showing address, phone, geocoding & identity coverage for Melissa global products.

View Support Countries

Result Codes

Descriptions of the results returned by our products so you know exactly what was done to your data.

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Web Services Status

Dashboard showing real-time status, response times and outage history.

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Server Locations

Map of current server locations, redundancy, and dynamic response available via AWS.

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Information on how Melissa cares for your data and maintains compliance with GDPR, SOC 2, HIPAA and other regulations.

View Certifications

Product Update Schedules

View the release date calendar for our products.

View Schedules

Melissa Knowledge Center

Access resources and solutions to visualize and understand your data.

Visit Knowledge Center

Other Resources

Product News and Updates

Get the latest on new features and product advisories.

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Address Experts

Read articles on how to achieve the best results using Melissa's best-of-breed address verification and related services.

Read Articles

Developer Portal

Access real-time Web APIs for testing and rapid application development.

Access Portal

Contact Us

Global Offices

Contact Melissa locations for sales, technical support & general information.

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Create Support Ticket

Access our help desk to create a support ticket.

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Login to Account

Login and manage your Melissa account.

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