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Shopify: Rates at checkout

Set up live rates at checkout for Shopify so customers can see real-time shipping costs.

2 min readUpdated January 19, 2026
Note

Shopify only supports calculating live rates based on weight, not dimensions. However, dimensions can be supported with the use of the Product Catalogue.

About live rates at checkout

Starshipit uses the destination address and the total weight of the cart to return a quote for each of your couriers. Your customer can select the preferred shipping method and the order will be imported into Starshipit with this shipping method.

Before you begin

  • Enable third-party calculated shipping rates in your Shopify account. Shopify only offers this to Advanced and Plus plans.
  • Configure rates at checkout in Starshipit.
  • Enable Starshipit in the relevant shipping zones in Shopify. Log in to your Shopify store and ensure you have zones and rates configured under Settings > Shipping and delivery. You should see Starshipit (Rates provided by app) in this list.
    If you don't, under Rate type, click Add Rate and select Use carrier or app to calculate rates to reveal Starshipit from the dropdown.
  • Enable carrier services under Settings > Checkout Rates > Carrier Configuration in Starshipit, then enable Delivery Options in Shopify Shipping Profiles. If you add new services, toggle Delivery Options off and on again for them to appear in Shopify.

Activate the rates in Starshipit

Once you've enabled the third-party calculated shipping rates in Shopify, you need to activate the rates in Starshipit.

  1. In Starshipit, go to Settings > Integrations.
  2. Click Shopify Settings, then select Enable Delivery Options.
    !
  3. Scroll to the bottom of the page and click Save.

Your customer will now see live rates at checkout.

Best practices & troubleshooting

  • Ensure all products have accurate weights, Carrier-calculated rates depend on weight. Otherwise, rates may be incorrect or fail.
  • Product dimensions can be supported with the use of the Product Catalogue to automatically assign the order to your preset packages based on item dimensions.
  • Disable existing flat shipping rates on Shopify to avoid duplicate shipping rate display at checkout.
  • When creating checkout rate rules based on order value, enter the amount in cents (e.g. $100 = 10000, $80 = 8000).

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