Getting Started with Melissa

Get Started

Guest Users

No account required.

Perform up to 50 free lookups per day using Melissa’s web tools to verify addresses, emails, phones, properties and much more.

Try Free Lookups Now

Registered Users

Create a free account

Use your credits across Lookups, Listware, Mailers Online & Cloud APIs. Purchase additional credits anytime no long-term commitment.

Small Business Users (Batch Processing)

Clean and enrich your contact data without any coding.

Listware for Excel

Download the free plugin and verify + enhance data directly inside Excel.

Download Now

Listware Online

Upload CSV or Excel files to append emails, phone numbers and updated addresses.

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Mailers Online

Web-based tool for postal sorting and NCOA processing so your mail is USPS-ready and you earn postage discounts.

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Built to Fit Your Needs

Enterprise (Cloud API Subscriptions)

Built for high-volume organizations.

Unlock the full power of Melissa’s global address verification and data enrichment solutions. Clean customer records in your CRM, validate shipping addresses to cut returns, enrich leads with accurate contact and demographic data, and ensure compliance in financial services—all with commercial-grade APIs, full technical support, flexible tiered pricing, full compliance & security documentation, enterprise SLAs, and seamless integrations with Salesforce, Snowflake, SQL Server (SSIS), Microsoft Dynamics, and FedRAMP.

Explore our complete API lineup, see what’s included in our Pay-as-You-Go and Subscription plans, or request a proof of concept or free trial today.

Developers

Start building immediately.

Visit developer.melissa.com to make API calls instantly using your Melissa Credits — no enterprise contract needed.

- Full OpenAI/Swagger specs

- Code samples

- Simple HTTP calls

Easily integrate powerful features like address verification, geocoding, IP location and property data into your applications or eCommerce platforms.

Go to Developer Portal

Melissa's Other Services

Service Bureau

Let us handle the heavy lifting.

Send your data securely to Melissa’s team for customized processing, including move updates (NCOA), email & phone appends, deduplication and advanced data quality services.

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