Screenshots
1 / 4

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.
Key Features
- 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
Rate Lab FAQs

Contact Us
Get in Touch
with us
Whether you need more information on how LetsMetrix can help enhance your Shopify experience, or require technical support, don't hesitate to contact us. We're available 24/7 via email, phone, or live chat to ensure you have all the assistance you need.
