Rates at checkout
Live shipping rates where the buyer decides
A flat shipping fee either loses you money or loses you the sale. Show real courier options at checkout and let the customer choose the trade-off.
Conversion
Fewer abandoned carts, less absorbed cost
Buyers abandon when shipping is a surprise. Showing the real number with a delivery date attached removes the surprise and stops you eating the difference on heavy or distant orders.
See the integrations
Options
Let them pay for speed if they want it
Economy, standard and express side by side. Plenty of customers will pay for the faster option when it is offered plainly — they just need to see it.

International
Duties quoted before the order, not at the door
Landed cost including duty and tax, calculated at checkout. No refused parcels and no angry email when the courier asks for money on delivery.

Put real rates in your checkout
Connect a store and switch it on in an afternoon.