Our take

Mail APIs & automation

A developer-focused option for putting print and mail inside a product. Compare production access, plan terms, and event reporting for the workflow you intend to automate.

What it offers

  • Letters and postcards
  • API and webhooks
  • Campaign dashboard

Lob creates print-and-mail letters, postcards, and checks through an API. It supports documents, address data, and tracking events. Dashboard campaign tools also serve business teams.

Setup and pricing approach

Developer account. Plan-dependent.

Check the complete quote for your document and recipient. Match the page count, print settings, postal class, tax, and any receipt options before comparing totals.

Destination fit

Our research covers Lob for United States. These labels describe the markets in this directory. They do not establish the print origin or a delivery guarantee.

Official sources

The profile describes advertised capabilities. We have not placed a test order or measured delivery. Sources were checked on 14 October 2026.

Before you send

  1. Confirm that your recipient destination and document are accepted.
  2. Inspect the complete print preview and address placement.
  3. Check the full price and selected postal product.
  4. Keep your confirmation and any postal records provided.