How can I start mailing? Integrating with Lob is easy! You can start mailing by following the steps below: Sign up for an account. Start with our Getting Started Guides. Related articles What are Priority Mail Queuing and Lob’s Service Level Guarantee? How is Lob’s Address Verification API priced? What are Lob's Platform Editions? Is there a way to upload a CSV of my address list and documents? How can I export my letter data?