Rate Lab

Develop by Shopify

$39-$299

/ Month

7 Days Free Trial

"Customize shipping rates effortlessly with Rate Lab's DIY carrier solution."

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About Rate Lab

Launched Oct 16, 2025

Built by Shopify

Address

Court Farmhouse, Hole-in-the-Wall, ENG, HR9 7JN, GB

Website Support Portal Privacy policy Tutorial FAQ Document

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Description

DIY Custom Carrier Service. Design your own shipping rates using our JSON/liquid editor.

Rate Lab is a DIY Custom Carrier Service solution. You have full control over what rates are returned to checkout. If you're considering a custom carrier service, but don't want to build and maintain a custom app, this is the solution for you.

Take full control of your Shipping Rates with Liquid rate logic
Copy/paste common use cases from our sample library
Available to all Shopify plans

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