Full Code Control
Change anything from the doctype to the footer. With Developer Mode enabled, you have access to all the template files that make up your Squarespace website.
Build Anything
The Squarespace Developer Platform enables developers to create fully custom sites and integrate with 3rd party tools. Start with a template, or build your site from scratch.
Get Started
Use our new Profiles API to read profiles for customers, subscribers, and website users →
Web Platform
Access the template files behind your Squarespace website. Edit markup, styles, and scripts using the tools you prefer to create a custom Squarespace-hosted template or website.
Commerce APIs
APIs enabling you to build applications to manage the commerce features of your site. Connect your Squarespace store with other services, automate key tasks like shipping and tax filing, and more.
Focus on building your site. We'll take care of the rest.
Build your site using the tools we use to create Squarespace templates. With the Squarespace Developer Platform, your site will be backed by the same infrastructure that powers millions of Squarespace websites.
Local Development
Use the Squarespace Development Server to develop your site locally while working with your preferred native build tools.
Git Built-in
All Squarespace template repositories are exposed via Git automatically, so you can work with a team and easily roll back.
JSON Data Store
Query any page as JSON to access your site's data in a structured way. Your website content is an API.
JSON-Template
Our familiar template language has very few language constructs to learn, yet offers the power and expressiveness needed to implement any design.
Infrastructure
Whether you have 10 or 10,000 visitors a day, your site will remain online. We host Squarespace.com on the same servers, so we're in this together.
Content Delivery Network
Our built-in CDN reduces load times using geographically distributed servers. Your assets will be delivered quickly to any place on Earth.
Site Manager
Manage your client's content using the same robust backend that powers millions of sites on our consumer platform.