Direct Mail API
Accelerate and scale direct mail with APIs for and by developers
Transform your outdated printing and mailing processes and save thousands of hours while sending at scale. Lob’s award-winning developer tools provide everything you need to digitally power your mail.
APIs to power your mail
Build in your language
Lob fits right into your stack with libraries to support your favorite programming language and comprehensive documentation.
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Send the right message
Use our Print & Send API to trigger the right format for the job.
“Lob’s well-documented API is seamless to use and the team has been incredibly responsive to adding functionality we need.”
– Matthew Maher, Engineering Manager
Direct Mail API FAQs
A direct mail API (Application Programming Interface) allows businesses to automate and integrate the creation, customization, and sending of physical mail — such as postcards, letters, and flyers — directly from their software or marketing platforms.
Lob’s direct mail API is free to use, but there are still costs associated with the mail itself based on factors such as your account type, mail format, print volume, and delivery locations. Check out our Help Center for a detailed pricing breakdown.
Lob is a leading example of a direct mail API. It allows businesses like yours to automate personalized mail campaigns at scale by integrating with your CRM, CDP, or marketing automation tools.
A direct mail API automates tasks like generating, personalizing, and sending physical mail pieces. It can also help you verify addresses on the fly.
Scale your mail and your ROI
Get personalized tips on using our APIs for your business.
