Lob automates personalized direct mail with APIs, Postal IQ routing and a nationwide print network. Plans start free; paid tiers from $260/month.
Researched and fact-checked by Bartu Cavusoglu · Updated October 26, 2026
Lob is a direct mail automation platform built for teams that send physical mail at volume. It combines campaign tools, APIs, routing intelligence and a nationwide print network, so a company can manage a mail program from design through delivery with one vendor.
The company describes the product as a Direct Mail Delivery Engine and says it is trusted by 12,000+ companies. It has delivered more than 1 billion mailpieces and states that it is 100% carbon neutral.
Lob is aimed at financial services, healthcare, insurance, and retail and ecommerce companies. It also serves in-house marketing and operations teams, agencies, consultants, operations service providers and software platforms that want to add mail to their own offerings.
Lob organizes its product into three stages. In Build, teams create and personalize mail using dashboards, APIs and the No-Code Design Suite. In Route, Postal IQ selects the most efficient USPS entry point for each mailpiece. In Fulfill, the Print Delivery Network prints and sends the mail and provides tracking.
Data drives the process. Teams can segment and personalize campaigns in the Lob dashboard or from their outreach tools, then trigger mail from a CRM or CDP using the Print & Send API.
Because production happens at printers located near the final destination, Lob says transit time falls and costs stay steadier for high-volume campaigns. One customer quoted on the site says a piece can be printed and in the mail stream within two or three days.
On the design side, Lob offers a Visual Editor, InDesign and Figma connectors, one-click export and a Design Library for approved images and fonts. Dynamic fields can be marked directly in a design and filled with customer data, from names to product recommendations.
For response tracking, Lob can generate branded QR codes, PURLs and coupon codes, and it tracks conversions on every send. Real-time address verification checks individual or bulk addresses, or validates them as customers type them into a website.
Operational features include Postal IQ routing, the Print Delivery Network, production tracking, in-transit mail tracking and an analytics dashboard. Lob also states that its security practices support HIPAA, GDPR and CCPA/CPRA requirements.
Lob is a direct mail automation platform that combines campaign tools, APIs, Postal IQ routing and a nationwide Print Delivery Network. Businesses use it to build, personalize, print, send and track mail such as postcards, letters and checks.
Lob charges a platform subscription plus per-piece print and postage rates. The Developer plan starts at $0/month, Startup at $260/month, and Growth at $550/month, while Enterprise pricing is custom. Postcards start at $0.905 per piece on Developer and $0.615 on Growth.
Yes. The Developer tier has no subscription fee and includes core features and standard print and postage rates. Lob also offers a 30-day Enterprise free trial, where print and postage costs are billed at discounted Enterprise rates.
Lob names prebuilt integrations with Braze and Iterable and InDesign and Figma connectors for design. It can also trigger mail from a CRM or CDP through the Print & Send API, and its FAQ mentions Salesforce CRM as a platform it can integrate with.
Lob offers a free Developer plan for up to 6,000 mailings per year and a Startup plan from $260/month for up to 75,000 mailings. Its main focus is teams managing direct mail at scale, so very small senders should weigh the subscription and per-piece costs.
Lob states that its security practices support HIPAA, GDPR and CCPA/CPRA requirements. Support for HIPAA compliant mailings is listed only on the Enterprise plan.
Yes. You can upgrade or downgrade from the Plans & Usage tab in the Lob dashboard. To close an account, contact support@lob.com or downgrade to the free Developer edition to keep the account open without a platform fee.
Lob suits marketing and operations teams, developers, agencies and platforms that send personalized direct mail at volume. It targets financial services, healthcare, insurance, and retail and ecommerce companies.