You can contact a Shopify agent through the support chat and have them add the third party calculated rates to your account. You must be under the Shopify plan - If you pay for your plan annually, adding the third party rates is free. If you pay for your plan monthly, adding the rates is $20 per month. We just did this yesterday with several of our stores.
Topic summary
Goal: Enable live FedEx/USPS carrier-calculated shipping rates (based on packages/dimensions) without upgrading to the $299/month Advanced plan.
-
Original poster reports Shopify support provided no solution; believes only Advanced/Plus allow third‑party calculated rates. Plans to fallback to weight‑only rates (concerned about undercharging internationally) and may revert to WordPress.
-
One response cites Shopify’s “third‑party carrier‑calculated rates” feature: included on Advanced/Plus; can be added to the Shopify plan for USD $20/month, or free if you switch to annual billing. Not available on Lite/Basic; those must upgrade to the Shopify plan. Link to Shopify Help Center provided.
-
OP disputes this, claiming the Shopify plan cannot enable third‑party rates based on their experience.
-
Another responder confirms success: support chat enabled third‑party calculated rates on multiple stores on the Shopify plan; free with annual billing or $20/month on monthly billing.
Status: Conflicting experiences. Latest update indicates contacting Shopify support to add the feature on the Shopify plan is viable. No confirmation from the OP yet; unresolved.