Overview
This guide provides an overview of the required steps for the end to end integration of your storefront with Simpler Checkout, using the Simpler Platform Interface API & SDK.
Implement Platform Interface APIs
Server implementation
FAQ
Short answers to the questions prospects and partners ask most often. Each answer links into a reference page for canonical data (retry tables, event catalog, error codes) so numbers live single-sourced and stay correct.
Using the Javascript SDK
The Simpler Javascript SDK is a lightweight script that allows you to render the Simpler Checkout button anywhere in your storefront with minimal hassle, allowing your shoppers to checkout in seconds.
Tutorials
10 items
Reference
4 items
Replacing Checkout (Server-Side)
Use this approach when you want your server to redirect users to Simpler Checkout at the point where they would normally enter your CMS's native checkout.
Replacing Checkout (Client-Side)
Use this approach when you want to redirect shoppers to Simpler Checkout directly from your frontend — for example, when they click "Proceed to Checkout" in your cart page. No backend code is required.