- Featured
B2B Edition
Advanced B2B features for enterprise plans.Catalyst
NewCreate stunning, high-performing storefronts that captivate and convert.Feedonomics
Omnichannel feed and data transformation.Multi-Storefront
Manage multiple unique stores from one account.International
Grow your brand across the globe.
- Launch Services
Overview
Chart your path to success with specialized services.Implementation Project Management
Experts to ensure you launch on time and under budget.Solution Architecture
Seasoned advisors to help you best design your store.Data Migration & Optimization
Expertise on a clean and clear path to migrating your data.Enterprise Launch Package
Personal training on how to set up and launch your BigCommerce Store.
Professional Services Blog Series
Get to know our teams and how they support your success in this Q&A series.
The Global B2B Buyer Behavior Report
This in-depth report provides actionable strategies to help you sell more online.
About the App
Take full control of your store’s shipping logic with eShipRate, the most customizable and intelligent shipping engine available for BigCommerce.
Automatically calculate rates based on: • Combined product dimensions • Product groups and categories • Multiple shipping origins • Flat-rate logic (including UPS® Simple Rate and FedEx® One Rate) • Quantity-based discounts • Per-box item limits • Hazardous materials • International duties and taxes • And more.
eShipRate includes smart box-fitting logic to ensure items will actually fit in flat-rate boxes, helping you confidently offer UPS Simple Rate, FedEx One Rate, and similar methods without guesswork.
For heavier orders, eShipRate automatically splits shipments to avoid carrier surcharges—like 50lb weight limits—helping you keep rates low and competitive.
Supports real-time rates from UPS, FedEx, USPS, and nearly any global carrier offering live rate APIs.
Tailored customizations are available to meet your store's exact needs.
No long-term contracts. U.S.-based phone support. Just powerful automation, reliable service, and complete control over your shipping strategy.
Pricing
Free Trial:
14 days
Upfront Fee:
$0
Recurring Fee:
$85/mo.
Information
Last Updated:
July 8, 2025
Compatible with:
CatalystMulti StorefrontDocumentation:
Installation GuideUser GuideResources:
Terms of ServicePrivacy PolicyApp Features
Smart Flat-Rate Automation
Automatically calculate if items fit in flat-rate boxes (UPS® Simple Rate, FedEx® One Rate, USPS Flat Rate). Avoid surcharges, maximize savings.
Custom Shipping Categories & Rules
Define categories like Freight, HazMat, Pallet, or custom ones. Calculate rates separately per category using specified methods.
Item-Level Shipping Controls
Ship items alone, set max per box, restrict box sharing (e.g. lithium batteries). Supports per-item free shipping with method filters.
Flat Rate & Quantity-Based Pricing
Create flat-rate shipping with quantity-based discounts. Override real-time rates when needed—ideal for promotional or fixed-cost items.
Real-Time Rates & Multi-Origin Support
Pull live rates from UPS, FedEx, USPS, and others. Support for multiple origins, dimensional weight, and intelligent box packing.
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