eCommerce Help Center for Merchants

Core commerce platforms and closely adjacent infrastructure — storefront, cart, checkout, headless frameworks, PIM/OMS, and the commerce platforms themselves. Examples: Shopify, BigCommerce, WooCommerce, Magento / Adobe Commerce, Salesforce Commerce Cloud, commercetools, Medusa, Saleor.

Apps that move physical goods from the merchant to the buyer — direct carrier integrations, multi-carrier rate shopping, label generation, warehouse and 3PL connections, returns, tracking, and order management. Examples: ShipStation, Shippo, EasyPost, ShipBob (3PL), Loop Returns, Aftership (tracking), plus direct carriers like UPS, FedEx, DHL.

Apps that handle merchant bookkeeping and tax obligations — general ledger, invoicing, payroll, sales tax calculation, VAT/GST compliance, and automated reconciliation with marketplaces. Examples: QuickBooks, Xero, Avalara, TaxJar, NetSuite, Sovos, A2X (marketplace reconciliation).

Apps that handle merchant money movement and financing — payments and gateways, merchant cash advance, working capital, buy-now-pay-later, and alternative payment methods. Examples: Stripe, PayPal, Adyen, Klarna, Afterpay, Shopify Capital, Wayflyer, Parker, Amazon Pay.

UPS

UPS is a global logistics and package delivery company offering freight shipping, supply chain management, and e-commerce fulfillment services for businesses worldwide.

Shipstation

ShipStation is a web-based shipping platform that helps e-commerce retailers import orders, compare carrier rates, print labels, and automate fulfillment across multiple sales channels.

Skypostal

SkyPostal is a cross-border logistics and mail delivery company that helps businesses ship packages and e-commerce orders internationally, especially across Latin America and the Caribbean.

Spring GDS

Spring GDS is a cross-border e-commerce delivery service that provides international parcel shipping, returns management, and customs solutions for online retailers expanding globally.

Stripe Tax

Stripe Tax is an automated tax calculation tool that determines and collects the correct sales tax, VAT, or GST on transactions across global jurisdictions.

Accountingsuite

AccountingSuite is a cloud-based accounting and inventory management platform that combines bookkeeping, order management, and time tracking for small businesses.

Aftership

AfterShip is a post-purchase and e-commerce software platform that helps businesses track shipments, manage returns, and improve customer communications after checkout.

Amazon MCF

Amazon Multi-Channel Fulfillment (MCF) is a service that lets sellers use Amazon's warehouse and delivery network to fulfill orders from non-Amazon sales channels.