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Top-Rated Direct Mail Letters Platform

Automate intelligent letters in your customer communications strategy.

Lob’s modern, robust print and mail APIs deliver automation, scale, and efficiency for any direct mail letters program. From personalized welcome letters to performant collections and claims notices, use Lob's Letters API to trigger production and delivery of letters to your customers - in a timely, relevant, and personalized manner.

Book a free demo to learn how!

Turn Intelligent Letters Into Advantages For Your Business

Recurring, Event-Driven Letters

Achieve scale for complex, labor-intensive, expensive processes that no one likes doing.

Dynamic Control

Personalize and iterate quickly, easily make changes, and do multivariate testing.

Secure and Accurate

Lob offers HIPAA compliance from production to delivery.

Save 1,000s of hours in processing time and increase ROI

Lob’s Print & Mail and Address Verification APIs simplify the direct mail process to ensure high performing campaigns
Digitally Integrated Direct Mail
Trigger on-demand letters directly from your CRM or customer data systems.
Detailed Deliverability Data
Correct, standardize, and cleanse address data for assured delivery with instant verification across 240+ countries and territories.
Complete Visibility
Automatically track production and delivery for each piece of mail you send to meet compliance requirements and measure campaign performance.
“Our decision to utilize Lob has proved critical to our business. We’ve been able to scale our current offerings and expand the products we offer without worry.”
Walter Dearing
SVP of Technology at Inside Real Estate

Drive effective direct mail with powerful API features

Lob’s APIs have helped over 8,500 companies transform outdated print & mail processes

Join the industry-leading businesses trusting Lob

Expedia logoBooking.com logoThredUp logoLendingHome logoHelloFreshSeatGeek logoClover logo

Say hello to scalable Print & Mail pricing

Get started with a platform subscription with pay-as-you-go pricing for letters.
Check pricing

Ready to level up your direct mail letters?

Contact us to get started with a free demo
Lob is building APIs to increase connectivity between the offline and online worlds. We’re automating direct mail and address verification so modern businesses can move faster & create new growth opportunities.