Lob

Lob provides APIs for automating direct mail and address verification. Developers use it to send physical mail programmatically, like postcards and letters, and to ensure addresses are deliverable.

Official docs: https://docs.lob.com/

Lob Overview

• Addresses
• Bank Accounts
• Billing Groups
• Checks
• Letters
• Postcards
• Templates
  • Versions
• US Verifications
• International Verifications