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Cass vs. NCOALink certification article now live

Cass vs. NCOALink certification article now live

Davin Perkins

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September 29, 2021

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Address quality

Address validation

Cass vs. NCOALink certification article now live

We get a lot of questions about USPS CASS certification and how it differs from NCOALink certification. They are both methods of address validation that originate with the USPS. While they look the same and smell the same (probably), they are in fact, very different. Even still, these methods are frequently confused, conflated and equated. So, we decided to cut the confusion and answer all your burning questions about CASS and NCOALink.

Here is some of stuff that future you (who has read the article) already knows:

When you notify the USPS that your address has changed, NCOALink only hangs onto those updates for 4 years.
In order to use NCOALink you must submit a minimum of 100 addresses for validation at a time.
To become CASS-certified, vendors must score 100% accuracy on 150,000 addresses for delivery point coding, eLOT (Enhanced Line of Travel), DPV or DSF2, RDI, and Perfect Address.

Learn all this and much more by checking out the Cass vs NCOALink article here. Future-you will be so proud!

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Tariffs are spiking. Shipping costs are climbing. Margins are shrinking. You can’t control global trade policy, but you can control how efficient and accurate your operations are in response. Most ecommerce teams, logistics planners, and data managers miss one of their best cost-saving opportunities: addressing accuracy. Bad address data isn’t hidden. It sits in your systems, shows up in carrier returns, and quietly drains profits every day. When tariffs rise to 15 to 50 percent in some product categories and import volumes are falling, every shipment becomes more expensive, every delay costs more, and every lost customer hurts more.

Pinpoint: The Smarty virtual user conference, because the world is better validated

November 2025 | 100% online | 100% awesomeJoin us this November for the Smarty Virtual User Conference, a two-day event packed with insights, tools, laughs, and $1000 worth of prizes. This event is for you, whether you’re optimizing delivery accuracy, improving compliance, or just trying to figure out if your neighbor really has a breakfast nook. What to expect:2 days, 12 hours of content, zero fluffLive sessions from address data prosHands-on demos of Smarty’s latest tools and pluginsGiveaways galore, like gift cards, swag, and even a chance at a massive LEGO setHidden Easter eggs throughout the event (no, seriously—find them and win)An after-party with games (shoutout to Brady Amundson)Tailored tracks for every roleFor developers:Roll up your sleeves.

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The benefits of reliable, easy-to-implement address data are straightforward. Actual addresses, on the other hand, aren’t always so cut and dry. If you’re looking to become an expert in everything that begins or ends with an address, this series is for you. We’ll demystify the types of addresses that have developers scratching their heads and introduce you to the tools keeping your address data best-in-class. Come one, come all, and enter the wonderful world of peculiar addresses! Let’s see what’s on exhibit.

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