Install A Mailing List App on Square

Don't know how to code? No problem with these easy steps to add Mailing List to Square in minutes.

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Steps to Add a Mailing List App on a Square Site

Create your customized Mailing List app, match your website's style and colors, and add Mailing List to your Square page, post, sidebar, footer, or wherever you like on your site.

How To Add a Mailing List App on Square:

  1. Create a Free Mailing List App

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  2. Copy HTML code

    Copy the HTML code below. It will be pasted into your Square page in Step 2.
  3. Paste code into an “Embed Code” section in your Square page editor

    In your Squareup editor, navigate to the page where you want to add POWR Mailing List. and select the “Add Section” button. Click “Embed Code” and in code box, paste the previously copied HTML code.
  4. Publish and Preview Mailing List

    Mailing List should automatically show in your Squareup editor. Preview or Publish to view in your Square page.

Not sure if our Mailing List app is right for you? Find out more about its features and integrations.

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Remove the Guesswork of Building Your Brand

Brand Identity Begins With a Great Website

If you have your Square website working, you’ve tackled the biggest challenge in building an online presence. Awesome!


But next comes the hard part: how can you entice, captivate, make, and support more visitors?

Mailing List to Square
Add Mailing List to Square

Make Your Website Elements Unique

Some small business owners try to design a Mailing List app by themselves or get an expensive web designer that claims they can build one.


Others try to find web design companies overseas that appear to offer Mailing List apps for reduced prices or attempt to use open source code.

Get Back More Time With POWR

Also, customizing these apps usually requires coding experience or another designer to help -- costing even more resources.


In a world where scammers infiltrate sites every day, many other Mailing List apps out there aren't built with security in mind, which could expose your customers or worse -- crash your whole site. Not with POWR!

Add Mailing List to Square
Support feature

POWR supports high-volume sites on Square and prioritizes the security of our Mailing List app, as well as all 60+ apps, to keep any bad actors at bay.

security feature
Our award-winning customer support team is available 24/7, as well as a dedicated Help Center to answer any questions.

Furthermore, our team of talented engineers work at all hours to keep POWR apps like your Square Mailing List at peak performance for you.

CASE STUDY: Rbia Shades is winning with POWR apps

Rbia Shades needed to expand beyond its region by bringing its products online. They needed a low-maintenance, non-techie solution.


After much research, they chose POWR as their no-code tool of choice.

Rbia grew its contact list by 250% using POWR Popup to collect new email addresses from first-time site visitors.


They also added POWR Social Feed to their site and saw a 200% spike in engagement from their site visitors. They also saw a big jump in social media followers and now have over 11K followers on Instagram.

Add Mailing List to Square
Mailing List to Square
Grow contacts by 250%
Mailing List to Square
2x your engagement
Mailing List to Square
2x more time on site

Every POWR app works on any platform.

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Trusted by the best in the biz!

POWR has helped over a half million businesses on every continent
(besides Antarctica, because of course not)

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Frequently Asked Questions

Learn more about how to add POWR apps to your website.