Building a Headless Checkout with Throttle
Step-by-step guide to integrating Throttle's cart and checkout APIs into any frontend framework.
Throttle’s checkout is API-first. No iframes, no redirects, no template constraints…
Prerequisites
Before you start, you’ll need a Throttle account and an API key…
Cart API
The cart is a living document. Every add, remove, and update flows through a single endpoint…
Checkout Sessions
When the customer is ready to pay, create a checkout session…
Payment Integration
Throttle handles PCI scope. Your frontend never touches card data…