Lob Address Verification Reviews in May 2025: User Ratings, Pros & Cons

"Love the Check mailing option"

What do you like best about Lob? very smooth and easy.to work with. I love the check mailing option comes in very helpful for my business and the most powerful option is the API integration which allows you a ton of personalization

"Easy to use, fully-featured mail API"

What do you like best about Lob? Happy that the API is easy to use and provides easy integrations with our development stack. Good number of direct mail features,

"Easy to use, fully-featured mail API"

What do you like best about Lob? Happy that the API is easy to use and provides easy integrations with our development stack. Good number of direct mail features,

"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.

"Massively improved quality of my project with very little overhead."

What do you like best about Lob? From the very start, LOB was very clear and intuitive on how to set and integrate in to my NodeJS application. The documentation was very straightforward, which allowed me to get a testbed up in less than an hour to prove the feasibility of integrating LOB. My particular application leans heavily on the POSTCARD API to send out custom invitations, and to validate this feature worked I often had to process hundreds of images and send to over to LOB to ...

"We've found Lob extremely useful for validating addresses"

What do you like best about Lob? The Lob api has been a great resource for validation of user supplied location information. What do you dislike about Lob?

"Great, API-first direct mail and transactional mail solution"

What do you like best about Lob? The pricing is fair and the tooling is well documented and clear. We can use the tool to send 1-off mail based on integrations we built into our backend system and also structure direct mail campaigns.

"Great service for direct mail"

What do you like best about Lob? I like how easy it is to use. Production-like testing environment and I can test as often as I can to ensure the final product looks the way I want. As a non-engineer, I can hook it up to Zapier and do everything I need to.

"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.

"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.