Please follow these steps to enable real-time shipping rates from Easyship in your Checkout through Magento 2.
Note: You can change or limit the couriers shown at Checkout by adding shipping rules.
Step 1: Log in to the Magento Admin with an Administrator account
Step 2: Go to Stores > Configuration > Sales > Shipping Methods > Easyship
Step 3: Enable Easyship in Checkout and set the Base Category
Once done, your customers should now see Easyship rates upon Checkout.
If the quotes are inaccurate, please ensure that your dimensions and weights are entered accurately for all your products.