LeadGen Mailing List APIs – Consumer & Business

Cloud Developer Tools for List Brokerage and Sales Prospecting

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LeadGen Mailing List APIs

Your customers are looking for accurate mailing lists and sales leads. Now, you can provide these lists to them with ease with your own private-label branding or via an online portal for your customers to use to purchase their mailing lists. Melissa's LeadGen Cloud APIs provide wholesale pricing on mailing lists that you can then sell to your customers. It’s ideal for high-volume List Buyers and Brokers for internal or retail use. You can build, order and download mailing lists at any time, 24/7/365, and then be invoiced at regular intervals.

LeadGen offers a REST API that you can integrate using native language code libraries. Your customers will be happy with the convenience of ordering lists in the Cloud, you’ll be happy with the ease of integration and affordability – it’s a win-win-win!

  • Integrate mailing list solutions into your own applications so your customers only see your brand and logo
  • Power a new revenue stream by providing customizable mailing lists 24/7
  • Increase ROI and add increased value to your business with Melissa's comprehensive lists at your side

Lead Gen REST APIs can provide access to any and all of the following types of mailing lists and data:

Access to over 200 million U.S. individuals and 140 million households with detailed demographic and lifestyle selects. Updated quarterly.

A database of 99% of all U.S. addresses delivered in walk-sequence order to qualify for maximum postal discounts. You can select an area by ZIP, radius, county, city, carrier routes and more – plus head-of-household names are free for more personalized mailings and higher response. Updated quarterly.

Over 14 million U.S. business records from small to Fortune 500 companies ideal for direct mail, email and telemarketing campaigns. Updated monthly.

More than 100 million records you can use to target on-site and absentee property owners.

Want to Know More? Contact our data specialists at 800.800.6245


Deliverability Guarantee

Melissa guarantees you will receive accurate, high quality data with a 95% deliverability rate – guaranteed! Our mailing lists are CASS processed to confirm the address is an actual delivery point by the USPS and NCOALink Move Update processed every month. We will replace any undeliverable data with new records at no cost.

Low Price Guarantee

Melissa has the lowest prices – period! We will beat any competitor’s price on any online orderable list (specialty lists excluded). If you have a quote from another provider, send it to us and we promise to beat it! Our Low Price Guarantee means you only need one source for all your mailing list needs.

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Lead Gen Mailing List APIs


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