New features! Use our idempotency key to safely retry requests. Our new ZIP Lookups API will return a list of cities when you pass in a ZIP code.

Finding the right direct mail vendor can be a nightmare. Here are four tried-and-true questions we use when evaluating partners for our Print Delivery Network.

With Zapier, you can automate steps in your workflow and take those tasks from time-intensive to hands-off.

What has Laura Wu learned about innovation in the API economy? In a plug-and-play world, differentiation is everything.

How do you balance developing a great interface with the other pieces needed for a great product? Laura Klein has a few ideas.

At Lob, we’ve noted three major operational challenges that companies face while setting up direct mail. Here is what you should look out for and key questions you should be asking to address these bottlenecks.

We’ve rolled out several new features our customers have requested: cancellation windows, scheduled mailings, geocoding and RDI!

Delving into the co-evolution of APIs and security, we spoke to Pat Wilbur, an expert in building security infrastructure for the Internet of Things.

Lob’s engineers win by moving fast, moving together, and trusting each other.

This tutorial will showcase our new Address Verification API in action. We’ll build a website that will determine if a mailing address is deliverable when you sign up!

Todd Goldberg, founder of Mailjoy, shares tips and best practices on postcard design.

From the co-founder: Harry announces new funding, outlines Lob’s growth in the near future, and launches our new Address Verification API.