Uploaded May 2021 | Updated September 2026, 6 hours ago
Learn all about how you can build eCommerce apps with the new Snippets API and help the thousands of sellers who sign up for Square Online every day at developer.squareup.com/snippets-api.
The Snippets API inserts your Javascript, HTML, or CSS into Square Online with a simple POST request. So you can build custom add-ons that sellers can add to their online sites. Easy!
You can market your app in the Square App Marketplace. And sellers can install your app as an add-on with just a few clicks. Boom—everybody wins.
Start building today: developer.squareup.com/snippets-api.
[TRANSCRIPT]
Thousands of merchants sign up for Square Online every day — so they can quickly and easily set up their online stores, and start selling in more ways.
Now — for developers — there’s the new Snippets API that lets you seamlessly add HTML, CSS and JAVASCRIPT into a seller's website.
...Like that.
This means you can build customized add-ons for Square Online sellers, making their online store better.
You could help sellers …
Boost customer loyalty with chatbots
Grow email lists with marketing pop-ups.
Increase trust with live social proof, and…
Showcase reviews from top platforms.
Then, integrate your app and publish to the Square App Marketplace — sellers can install with the click of a button.
Start building today with Square.
developer.squareup.com
keyword: SNIPPETS
Learn all about how you can build eCommerce apps with the new Snippets API and help the thousands of sellers who sign up for Square Online every day at developer.squareup.com/snippets-api.
The Snippets API inserts your Javascript, HTML, or CSS into Square Online with a simple POST request. So you can build custom add-ons that sellers can add to their online sites. Easy!
You can market your app in the Square App Marketplace. And sellers can install your app as an add-on with just a few clicks. Boom—everybody wins.
Start building today: developer.squareup.com/snippets-api.
[TRANSCRIPT]
Thousands of merchants sign up for Square Online every day — so they can quickly and easily set up their online stores, and start selling in more ways.
Now — for developers — there’s the new Snippets API that lets you seamlessly add HTML, CSS and JAVASCRIPT into a seller's website.
...Like that.
This means you can build customized add-ons for Square Online sellers, making their online store better.
You could help sellers …
Boost customer loyalty with chatbots
Grow email lists with marketing pop-ups.
Increase trust with live social proof, and…
Showcase reviews from top platforms.
Then, integrate your app and publish to the Square App Marketplace — sellers can install with the click of a button.
Start building today with Square.
developer.squareup.com
keyword: SNIPPETS
