Checkout UI Extension
Checkout is the highest-intent screen you own and, on Shopify Plus, the only supported way to change it is a Checkout UI Extension. Script tag hacks in checkout are gone, so this is the real route.
What’s included
- Build one extension — custom field, messaging block, or upsell
- Validation and data capture through to the order
- Tested across desktop, mobile and accelerated checkouts
- Deployed through the supported extension framework
Not included
- Non-Plus stores, where checkout is not extensible
- Shopify Plus fees
- More than one extension per task
Anything on the right is still something we do — it is simply a separate task, quoted separately, so this one keeps a fixed scope and a fixed price.
When it is done, you will have
- 1The change live on your store, published only after you approve it
- 2A clean diff you are welcome to read
- 3A short written note covering what changed and why
Before we start, we will need
- Collaborator access to your Shopify admin
- A sentence or a screenshot describing what you want
Questions people ask first
I am not on Plus. Can you still customize checkout?
Not the checkout itself — Shopify does not allow it below Plus, and anyone offering it is using a method that will break. What we can do is customize everything up to checkout: the cart, the drawer and the pre-checkout upsell.
Often bought alongside
Third-party app install and setup
Install, configure and wire one app properly into your theme.
Payment gateway setup
One gateway connected, tested and live.
Facebook / Instagram shop connect
Catalog sync and channel verification.