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Ready to get started?

Welcome to Lob! 👋

Lob's mission is to help the world send intelligent mail, one mail piece at a time. By making direct mail sends as easy as email through the use of modern APIs, Lob strives to modernize this often overlooked channel of direct communication.

Lob is a great fit for all users of direct mail from all walks of life:

Are you brand new to direct mail as a channel, and looking for ideas and best practices on getting started?
Are you looking to infuse direct mail automation into your existing business workflows and seeking for ways to modernize your enterprise solutions and tools?
Or are you building a highly sophisticated experimentation program using this rapidly iterative and performative channel?

Start at a pace you're most comfortable with, and Lob can help meet your direct mail needs, one step at a time.

Getting started with Lob

Sending mail in an accurate, reliable, and programmatic way involves the following four steps:

The first step to any successful direct mail program is to put together an audience list for effective targeting.

Whether you are using your or with third-party lists, make sure that you create targeted mailing lists with select attributes to maximize your responses and channel ROI.

Easily in , or send a recipient address per mail piece in your API calls.

You can also improve the deliverability of your mail pieces by passing your addresses through Lob's functionality to reduce bad addresses, or incorporate Lob's product to fully ensure your mail data is as accurate as possible to maximize your intended reach.

Next, our solution provides incredible flexibility in determining : send high-volume campaigns quickly and at scale, or build automated mail sends triggered through omnichannel business workflows.

Craft the best path forward

Depending on where you are in your quest for intelligent mail, or given your available budget or resources, there are multiple ways to leverage Lob's platform and accelerate your growth. Read on!

Learn about our platform

We're not your average direct mail experience. Explore Lob and see how we can meet your immediate needs for direct mail automation.

Dive right in: Send your via to get a feel for intelligent direct mail.
Explore our APIs! Check out our to explore our in your preferred programming language, explore our our , and go to to access our supported SDK libraries.

Experiment with your inputs and outputs

Understand other ways in which you can up-level your direct mail program.

Explore how to operationalize to create mail pieces that can truly resonate with your audience
Experiment with different and to see how to best increase relevance and conversion
Ingest data, set up notification alerts via , or add to improve attribution and reporting

Enrich your data, connections, and processes

so you can learn how to tap into your existing tech stacks and augment your datasets to expand the possibilities of creating seamless and timely omnichannel experiences with a touch of direct mail.

If you are a world-class technology company interested in partnering with us, .

Pricing details

Get started with a platform subscription, paired with unit cost for mail pieces. Features vary depending on the pricing Edition.

Monthly subscription

Developer

Startup

Growth

Enterprise

Mail piece unit pricing

Recent USPS postage rate changes have taken effect as of July 13, 2025. These adjustments are part of USPS’s regularly scheduled pricing updates, designed to account for inflation and rising operational costs. Lob doesn’t add fees when USPS rates go up – only the postage rate increases apply. You can find more details outlined in the .

Postcards

Prices are inclusive of print, postage and envelopes (where applicable).

Mail format

Developer

Startup

Growth

Enterprise

Self-Mailers

Prices are inclusive of print, postage, and envelopes (where applicable).

Letters

Prices are inclusive of print, postage and envelopes (where applicable).

Mail format

Developer

Startup

Growth

Enterprise

* Extra postage fees for 8.5x11 letters over 6 sheets (6 pages single-sided, or 12 pages double-sided) and 8X14 letters over 3 sheets (3 pages single-sided, or 6 pages double-sided)

Snap Packs

Prices are inclusive of print, postage, and envelopes (where applicable).

Checks

Prices are inclusive of print, postage, and envelopes (where applicable).

Mail format

Developer

Startup

Growth

Enterprise

Questions about pricing? Reach out to your Account Manager or our .

Fast Track Guide

Even though the USPS loves working with us, they still have to charge for sending mail. Even if you are on the Developer edition of Lob, before you get started we'll ask you to input your payment information, then add Lob Credits, so you are prepared to send mail!

Step 1: How do you plan to execute your mail?

In the Lob dashboard

Send mail via , our user-friendly interface built atop our APIs. We support one-time (1:many, targeted outreach), or automated (1:1, based on a trigger) campaigns.

Programmatically

- Every developer knows that the path to getting a successful integration up and running starts here. You’ll be provided an example of each type of Lob API request and response, so you can build an integration that works for you/your team.
- What if you want to send large-scale direct mail campaigns but don’t want to execute them manually via the campaign tool? Well, you’re in luck! Learn how you can achieve the same efficiency but via the Campaigns API so you can automate your sends.

Step 2: Who are you sending to?

Audience

For a one-time campaign, you'll need your audience data (.csv); see here for how to .
To set up and send automated or triggered campaigns, you'll want to connect directly to you customer data. Learn more about our Integrations here.

Step 3: What creative type are you going to be using?

HTML

- One of the most powerful tools you have available to you when sending direct mail with Lob is the ability to make every piece unique to each recipient. Here are some tips on how to get the most out of Lob’s HTML capabilities.
- Whether you are sending a single postcard or millions of letters, our design guidelines will ensure your direct mail designs are created in the correct layouts and dimensions, so they’ll render exactly as expected when produced.

PDF

- Here are some design layout and dimension guides you’ll want to keep in mind.
- Learn more about formatting and ensuring your .

Step 4: How do you plan to measure the success of your mail?

Lob dashboard

- One of the most powerful advantages of using Lob is that you can have visibility of any individual mail piece as it moves across the entire print production and delivery process.
- Every team measures unique insights to ensure you hit your targets. Discover a few views that cover some of the most important metrics you should care about.

Custom analytics

- Leverage webhook functionality to take asynchronous action and enhance your line of sight for the mail that is requested.
- Gain a deeper understanding of your mail data at a mail piece, recipient, batch, or campaign level by adding your own data labels.

Fast Track Guide

Step 1: How do you plan to execute your mail?

In the Lob dashboard

Send mail via , our user-friendly interface built atop our APIs. We support one-time (1:many, targeted outreach), or automated (1:1, based on a trigger) campaigns.

Programmatically

- Every developer knows that the path to getting a successful integration up and running starts here. You’ll be provided an example of each type of Lob API request and response, so you can build an integration that works for you/your team.
- What if you want to send large-scale direct mail campaigns but don’t want to execute them manually via the campaign tool? Well, you’re in luck! Learn how you can achieve the same efficiency but via the Campaigns API so you can automate your sends.

Step 2: Who are you sending to?

Audience

For a one-time campaign, you'll need your audience data (.csv); see here for how to .
To set up and send automated or triggered campaigns, you'll want to connect directly to you customer data. Learn more about our Integrations here.

Step 3: What creative type are you going to be using?

HTML

- One of the most powerful tools you have available to you when sending direct mail with Lob is the ability to make every piece unique to each recipient. Here are some tips on how to get the most out of Lob’s HTML capabilities.
- Whether you are sending a single postcard or millions of letters, our design guidelines will ensure your direct mail designs are created in the correct layouts and dimensions, so they’ll render exactly as expected when produced.

PDF

- Here are some design layout and dimension guides you’ll want to keep in mind.
- Learn more about formatting and ensuring your .

Step 4: How do you plan to measure the success of your mail?

Lob dashboard

- One of the most powerful advantages of using Lob is that you can have visibility of any individual mail piece as it moves across the entire print production and delivery process.
- Every team measures unique insights to ensure you hit your targets. Discover a few views that cover some of the most important metrics you should care about.

Custom analytics

- Leverage webhook functionality to take asynchronous action and enhance your line of sight for the mail that is requested.
- Gain a deeper understanding of your mail data at a mail piece, recipient, batch, or campaign level by adding your own data labels.

Ready to get started?

Welcome to Lob! 👋

Lob is a great fit for all users of direct mail from all walks of life:

Are you brand new to direct mail as a channel, and looking for ideas and best practices on getting started?
Are you looking to infuse direct mail automation into your existing business workflows and seeking for ways to modernize your enterprise solutions and tools?
Or are you building a highly sophisticated experimentation program using this rapidly iterative and performative channel?

Start at a pace you're most comfortable with, and Lob can help meet your direct mail needs, one step at a time.

Getting started with Lob

Sending mail in an accurate, reliable, and programmatic way involves the following four steps:

The first step to any successful direct mail program is to put together an audience list for effective targeting.

Whether you are using your or with third-party lists, make sure that you create targeted mailing lists with select attributes to maximize your responses and channel ROI.

Easily in , or send a recipient address per mail piece in your API calls.

Next, our solution provides incredible flexibility in determining : send high-volume campaigns quickly and at scale, or build automated mail sends triggered through omnichannel business workflows.

Craft the best path forward

Depending on where you are in your quest for intelligent mail, or given your available budget or resources, there are multiple ways to leverage Lob's platform and accelerate your growth. Read on!

Learn about our platform

We're not your average direct mail experience. Explore Lob and see how we can meet your immediate needs for direct mail automation.

Dive right in: Send your via to get a feel for intelligent direct mail.
Explore our APIs! Check out our to explore our in your preferred programming language, explore our our , and go to to access our supported SDK libraries.

Experiment with your inputs and outputs

Understand other ways in which you can up-level your direct mail program.

Explore how to operationalize to create mail pieces that can truly resonate with your audience
Experiment with different and to see how to best increase relevance and conversion
Ingest data, set up notification alerts via , or add to improve attribution and reporting

Enrich your data, connections, and processes

so you can learn how to tap into your existing tech stacks and augment your datasets to expand the possibilities of creating seamless and timely omnichannel experiences with a touch of direct mail.

If you are a world-class technology company interested in partnering with us, .