Integrations

Works where you already sell and ship.

Connect your store, your marketplace accounts and your carriers, and Stipendia calculates duty and tax at the point of sale — no re-platforming, no custom build.

E-commerce platforms

Duty and tax at your store checkout

Shopify and WooCommerce are live today. Four more store platforms are built and rolling out as each marketplace approval lands.

Shopify

Live

OAuth app, post-purchase duty extension, order webhooks, duty dashboard

WooCommerce

Live

Installable plugin (WC 8.9 / PHP 8.0+), live demo store, order webhooks

BigCommerce

Coming soon

Tax-provider API integration — pending App Marketplace approval

Wix

Coming soon

Store connector — pending Wix App Market listing

Magento / Adobe Commerce

Coming soon

Order sync — connector in final integration

Squarespace

Coming soon

Store connector — pending developer-partner approval

Marketplaces

Compliance across your entire seller network

Per-seller order sync for the marketplaces facing facilitator liability. Connectors are built and enabling as each platform's API access is approved.

Amazon

Coming soon

SP-API per-seller order sync — pending SP-API app approval

eBay

Coming soon

Per-seller order sync — pending Developer Program keys

Etsy

Coming soon

Per-seller order sync — pending Etsy API approval

Carriers & shipping

Live multi-carrier shipping rates

Real-time rates across four major carriers through a single EasyPost integration, with a built-in fallback so the rate card is never blank.

USPSFedExUPSDHL Express

Live rates via EasyPost. Label purchase and tracking are rolling out next; direct-carrier and Shippo connections are on the roadmap.

Shippo — coming soonRoyal Mail — coming soonLa Poste — coming soon

Postal & customs standards

Built to the standards your customs data runs on

Declarations and manifests generated to UPU and EU standards, ready to submit.

UPU ITMATTCN23CARDITCDS 2025 (PTC326)ICS2

Built to UPU ITMATT & CN23 standards.

Connect in minutes

Install on your platform, or drop the one-line checkout embed onto any site. Published pricing, no setup fee.