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:
Create a Free Mailing List App
Start for free nowCopy HTML code
Copy the HTML code below. It will be pasted into your Square page in Step 2.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.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.
See the detailsRemove 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?


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!


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.

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.

Every POWR app works on any platform.
See apps in action
Trusted by the best in the biz!
POWR has helped over a half million businesses on every continent
(besides Antarctica, because of course not)
Frequently Asked Questions
Learn more about how to add POWR apps to your website.
Yes, any POWR app will work perfectly on any website. What’s better, is the patented POWR Live Editor is the same regardless of the app.
- Easily add more than one (for free)
- Edit to your needs directly from your live site
- Changes are made instantly
Absolutely! The POWR Mailing List widget is optimized for mobile, ensuring that it looks great and functions smoothly across all devices, including phones and tablets.
This optimization enhances user experience, contributing to higher engagement rates on your Square site.
POWR Mailing List allows you to edit every detail such as fonts, colors, borders, and spacing directly from the editor, ensuring your Mailing List perfectly match your brand's identity.
This flexibility makes it easy to integrate and align with your site's look and feel.
Adding Mailing List to your Square site is fully outlined above and straightforward with no coding required.
Simply follow POWR's setup guide, which is as easy as copy/pasting the provided code snippet into your site's HTML.
This ease of installation makes it convenient for Square site owners to implement Mailing List and gather feedback from their audience.
Using POWR Mailing List on your Square site offers numerous benefits, including enhanced customization options and easy installation without coding.
These features help improve your site's user engagement by allowing visitors to provide valuable feedback, leading to better online growth.