Checkout, customized
Checkout Blocks.
Add content, upsells, trust badges, and custom fields to your Shopify checkout — with a no-code editor and rules for who sees what.
No-code
Editor
3
Checkout steps
Rules
Targeting
What it does
Make the checkout yours
Blocks
Drop blocks into checkout
Add upsells, custom fields, gift messages, and content blocks to checkout without touching code.
Convert
Upsells and trust at the last step
Surface an add-on or a trust badge exactly where the buying decision happens.
Targeting
Rules for who sees what
Show blocks by cart contents, customer, or market — different checkouts for different buyers.
More
And the details
Coverage
All three steps
Works across the information, shipping, and payment steps.
Fields
Capture what you need
Add custom fields for gift notes, PO numbers, or delivery instructions.
Trust
Badges and messages
Reassure buyers with badges and line-item messages at the finish line.
Native
Checkout Extensibility
Built on Shopify's supported checkout extension surface.
AI Agent ready
Run Checkout Blocks from your AI agent.
Set it up and manage it from Claude, ChatGPT or OpenClaw with the Pasilobus CLI. Nothing changes in your store without you.
Claude
ChatGPT
OpenClaw
$ pasilobus login
$ pasilobus use <store>
$ pasilobus <app> <command>
Run a better Shopify store.
Install Checkout Blocks or tell us what your store needs — we build and tend the whole stack.