Squarespace API
Squarespace exposes Commerce REST APIs for products, orders, inventory, and transactions. API keys require the Commerce Advanced plan at about $52/mo, and OAuth extensions need developer-partner approval. There is no official SDK, and member data has no API surface.
Frequently asked questions
Squarespace scores C+ on the API Report Card. Squarespace exposes Commerce REST APIs for products, orders, inventory, and transactions. API keys require the Commerce Advanced plan at about $52/mo, and OAuth extensions need developer-partner approval. There is no official SDK, and member data has no API surface.
Squarespace has an official API, but teams routinely hit its limits: gated access, partial coverage, or paid tiers. Most end up supplementing it with exports or an unofficial API layer like Supergood.
Squarespace is an all-in-one website-building and online-business platform that lets users design and host websites, register domains, run e-commerce stores, sell digital products and memberships, schedule appointments (Acuity Scheduling), send email campaigns, accept payments, and run basic marketing, all from a single dashboard with no code required.
Vertical: SaaS website builder, domains registrar, and SMB commerce/content platform (horizontal, not industry-specific). A typical Squarespace customer signs up, picks a template (or uses Blueprint AI to generate one), customizes layout/typography/imagery in the Fluid Engine editor, connects or registers a custom domain through Squarespace Domains, and publishes within hours.
Squarespace powers an estimated 2.7M-3.8M live websites globally (~3% of all sites, ~2.4% of the top 1M per BuiltWith and W3Techs), reports 4M+ paying subscribers and 1.4M+ commerce subscribers, did $1.19B revenue in 2023 (last public year), and after the December 2024 Permira take-private at $7.2B equity / $6.9B EV is one of the largest private SaaS companies.
Yes, for any SMB running their site on Squarespace, the platform is the system of record for the public-facing business: the website itself (pages, blog posts, portfolios, copy, images, SEO metadata), the custom domain and DNS records (post-Google Domains migration, ~10M domains sit inside Squarespace), SSL certificates, the customer/contact database (Contacts API: customers, subscribers, donors, marketing consent), the product catalog and inventory levels, every order and payment transaction (with associated PCI scope through Squarespace Payments/Stripe), gift card and store credit balances, Member Area subscribers and paywall entitlements, Acuity Scheduling appointment history and client records, email campaign lists and engagement, and site analytics.
Founded 2003 by Anthony Casalena as a college side project at the University of Maryland.
Orders, Inventory, and Transactions APIs are gated to the Commerce Advanced plan (~$52/mo), pricing many SMB integrators out of basic operations sync. Webhook support is limited and OAuth-only, most integrations must poll the API or rely on Zapier triggers, increasing latency and rate-limit pressure. Full sourced list under Sources below.
Common alternatives include Wix, WordPress.com (Automattic), Shopify, Webflow, GoDaddy Websites + Marketing, Weebly (Block / Square). Graded alternatives appear under "More from the report card" below.
Grades measure one thing: can a customer's engineering team get their own data out programmatically? We check six things (whether a real API exists, how access is gated, data coverage, auth quality, docs and developer experience, and stability) and roll them into a letter grade. Grades get re-verified, and they only move on evidence.