REST API for Global Address Verification

In plain words

REST API for Global Address Verification is a direct mail platform that automates and personalizes mailings at scale. It combines software tools with a nationwide print and delivery network to speed delivery, control postage costs, and ensure compliance. The service uses Postal IQ routing intelligence to select optimal USPS entry points for each mailpiece, helping businesses send direct mail efficiently while maintaining visibility from campaign creation through delivery.

written from the facts on this page · September 2026

From the sources

Lob is the only direct mail platform with Postal IQ advanced routing, printing and delivery infrastructure, bringing predictability to postage costs and getting your mail to its destination faster and more securely. Lob combines advanced campaign tools, award-winning APIs, Postal IQ routing, and our nationwide Print Delivery Network. Together, they speed up delivery while giving you the features and visibility you need – from campaign to mailbox. Lob’s Postal IQ routing intelligence chooses the most efficient USPS entry point for every mailpiece, helping your mail reach mailboxes quickly and cost-effectively by working in step with USPS operations. We can have a mail piece printed and in…from lob.com

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