Lob Address Verification Reviews in June 2026: User Ratings, Pros & Cons

"Great API's for an integrated experience creating Direct Mail"

What do you like best about Lob? The API's are really easy to use, and testing them out prior to integrating is easy and requires no coding skills. The address validation is very accurate which greatly reduces the chances that your mailers will get to their intended recipient(s) and the customizability available is amazing!

"Used Lob mailing for a company that hired me to automate mailing"

What do you like best about Lob? It is very easy to use and API is great. I appreciate the custom mailing settings. I use other java libraries with the Lob API. I'm not sure about competitors never used them.

"Easy and reliable integration with Bubble.io"

What do you like best about Lob? I needed to have the ability to confirm addresses with the push of a button in my Bubble.io app. I was able to set up the integration in minutes and it has never let me down. I couldn't find anything that came close to what Lob could do for me.

"Great support and docs, some frustrations"

What do you like best about Lob? The API, client libraries, etc. all work well and have good documentation. Customer support is quick to respond and seems knowledgeable. The actual mail pieces are as you'd expect, and they seem to always ship quickly.

"User friendly mailing"

What do you like best about Lob? User friendly for VA's, intuitive and clean app. What do you dislike about Lob?

"Great company"

What do you like best about Lob? I like how easy lob is to use. The API is overal very intuitive. I would love to have a go API. I really really like the test suite. I think it makes it super easy to onboard!

"Developer Friendly and Low-cost"

What do you like best about Lob? Easy to use API. Never any breaking changes. What do you dislike about Lob?

"Great Platform for Bootstrapping Marketers"

What do you like best about Lob? LOB has been a great tool for creating scalable direct mailing campaigns for my clients. The data visibility from production to the mailbox has allowed me to create triggers in an omnichannel campaign I wasn't able to get through other DM methods. It's allowed me to scale my service offerings.

"Simplicity All Around"

What do you like best about Lob? We use LOB to power our e-check feature for customers. The UI and flexibility atLOB stood out when we were looking for vendors in this space. Their API docs and streamlined reporting made the setup quick and easy for all teams. Couldn't promote this product enough!

"Lob is easy, quick, and surprisingly fun."

What do you like best about Lob? I love the fact that I can easily create mailings programmatically, in a heartbeat, set it once and forget it, and then move on with my life. I hate dealing with the post office and this makes it super easy.