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USPS

USPS Integration Providers

USPS shipping integration

21 providers found

21 providers found

Control your catalog, inventory, orders, purchasing, fulfillment and shipping. Expand, sell and grow. Your way. Request Demo now.

Account ManagementInventory & Order Management
Pay as You Go

PrepShipHub is an all-in-one e-commerce operations platform that centralizes order management, inventory tracking, and fulfillment across Amazon, eBay, Walmart, and Shopify. It simplifies multi-channel selling with integrated shipping, returns management, and profit analytics from a single dashboard.

Storage & Warehousing3PL Prep & FulfilmentInventory & Order Management+1 more
Quote Based

India's most-used eCommerce logistics and shipping software solution for the best courier services. Try Shiprocket for free.

Shipping & LogisticsStorage & Warehousing3PL Prep & Fulfilment
Pay as You Go

SellerChamp is the ultimate eCommerce multi-channel listing software to automate product listings, inventory, and order management.

Account Management
Contact for pricing
ShipStation logo
ShipStation
ServiceApp

ShipStation is the leading web-based shipping software that streamlines your order fulfillment, wherever you sell and however you ship.

Shipping & LogisticsInventory & Order Management
Contact for pricing

FBMFulfillment is a 3PL fulfillment center designed by e-commerce sellers for e-commerce sellers, offering multi-channel B2C fulfillment across Amazon FBM, Shopify, Magento, WooCommerce, Walmart, eBay, TikTok, Facebook, and Etsy. They provide FBA storage/replenishment, return services, and same-day shipping with reliable 2-day delivery, helping sellers maintain inventory control and avoid Amazon storage fees.

Returns ManagementShipping & LogisticsStorage & Warehousing+1 more
Quote Based
Shiphero logo
Shiphero
ServiceApp

ShipHero WMS is a fully featured Warehouse Management System designed for DTC brands and 3PL providers running their own warehouse and shipping operations.

Returns ManagementShipping & LogisticsStorage & Warehousing+2 more
Contact for pricing

Base.com is a commerce process orchestration and operations platform for e-commerce businesses. It provides unified management of orders, inventory, listings, and shipments across multiple marketplaces and sales channels. The platform serves startups to large enterprises with features including workflow automation, AI-powered tools, and integrations with 2000+ platforms.

Listing & CatalogingAccounting & TaxationShipping & Logistics+3 more
Subscription

Kyozou is an all-in-one multichannel eCommerce listing management solution and order fulfillment software that helps in the whole online selling process

Listing & CatalogingShipping & LogisticsAccount Management+1 more
Contact for pricing
ShipMonk logo
ShipMonk
ServiceApp

Ecommerce fulfillment for high-growth brands. ShipMonk helps your brand unlock scalable growth with our powerful 3PL software and fulfillment centers.

Shipping & LogisticsStorage & Warehousing3PL Prep & Fulfilment+1 more
Contact for pricing

4Seller is a free multi-channel ERP platform enabling e-commerce sellers to manage listings, orders, and inventory across Amazon, eBay, TikTok, Shopify, and 15+ other marketplaces from one centralized dashboard. It offers automated product publishing, real-time inventory syncing, order management, and integrated shipping with carriers like USPS, FedEx, and UPS.

Listing & CatalogingInventory & Order Management
Free/Freemium
QuickShift logo
QuickShift
ServiceApp

QuickShift is a full-stack ecommerce fulfillment and logistics provider offering warehousing, fulfillment, domestic and international shipping, and supply chain technology solutions. Serving 300+ brands across B2B, B2C, and D2C channels, they provide omnichannel order management, inventory visibility, and same-day to standard shipping across India and 220+ countries.

Shipping & LogisticsStorage & Warehousing3PL Prep & Fulfilment+1 more
Quote Based
ReturnPro logo
ReturnPro
Service

ReturnPro provides end-to-end returns management solutions for retailers, brands, and 3P marketplace sellers. Their integrated platform combines SaaS software, supply chain services, and ReCommerce solutions to transform returns into profitable opportunities while reducing waste and improving customer satisfaction.

Returns ManagementInventory & Order Management
Quote Based

GeekSeller is a shipping and inventory management software designed for e-commerce sellers on Walmart, Amazon, Shopify, and TikTok Shop. The platform automates order fulfillment, inventory synchronization, and shipping label printing with discounted carrier rates (up to 83% savings). It serves multichannel sellers with features like Smart Rates, catalog management, and integration with fulfillment services.

Listing & CatalogingReports & AnalyticsInventory & Order Management
Subscription
Shipworks logo
Shipworks
Service

Optimize your warehouse and ecommerce business with ShipWorks shipping software. Manage high-volumes, automate processes, and reduce costs.

Shipping & Logistics
Subscription
Shippo logo
Shippo
ServiceApp

Shippo is a multi-carrier shipping software that helps businesses create shipping labels, connect to 40+ global carriers, and manage fulfillment at scale. The platform serves small businesses, high-volume brands, marketplaces, 3PLs, and software providers with discounted shipping rates, API integration, and world-class support.

Shipping & Logistics
Subscription

Loop is an AI-powered operations platform built for e-commerce retention, uniting tracking, editing, returns, exchanges, fraud prevention, and shipping. Originally built for Shopify, it now supports all platforms and serves 5,000+ D2C brands globally, helping them grow revenue, protect margins, and build customer loyalty through intelligent post-purchase and pre-purchase solutions.

Returns Management
Subscription

ShippingEasy is the easiest online shipping automation platform, offering discounted USPS and UPS shipping rates and award-winning support.

Storage & Warehousing3PL Prep & Fulfilment
Freemium

3PeeL is a 3PL matchmaking service that connects e-commerce brands with vetted third-party logistics providers. The platform offers expert supply chain consulting to help brands find the best warehousing, fulfillment, and transportation partners tailored to their needs. Services are free and no-obligation, saving brands up to 30% on logistics costs and weeks of search time.

Returns ManagementShipping & LogisticsStorage & Warehousing+3 more
Free/Freemium

EasyEcom is an enterprise-grade omnichannel inventory and order management platform designed for retailers, D2C brands, and sellers. It provides unified management of inventory, orders, warehousing, and reconciliation across multiple channels and locations. The platform includes advanced features like inventory forecasting, warehouse management, accounting automation, and 220+ integrations to eliminate manual workflows.

Listing & CatalogingInventory & Order Management
Quote Based

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