ELEX Stamps.com WooCommerce Extension (USPS) vs WooPayments

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Feature ELEX Stamps.com WooCommerce Extension (USPS) v3.1.3 · checked 23 Oct 2026 Paid Visit Details WooPayments v11.2.0 · checked 23 Oct 2026 Free · ★ 3.4/5 Visit Details
At a glance
Active installs — 800,000+
Last updated — October 8, 2026
Editions ELEX Stamps.com WooCommerce Extension (USPS) ($) WooPayments
Pros Real-time USPS rates at checkout from a Stamps.com account; Bulk label printing from the orders list; Weight-based box packing and ParcelGuard insurance option Card payments managed from the WordPress dashboard; Built-in fraud screening and duplicate payment detection; Multi-currency pricing with a currency switcher block
Cons Requires a paid ELEX licence and a Stamps.com account; Refuses to activate beside the basic Stamps plugin; US postage only; labels depend on the Stamps.com service Needs a WooPayments account before it can take payments; Only available in the countries WooPayments supports
Mentioned in our posts — 1
More features
Other features Real-time USPS rates at checkout via Stamps.com ($), Print USPS postage labels from single orders ($), Bulk label printing from the orders list ($), Weight-based packing into configured boxes ($), ParcelGuard insurance option and claims ($), Tracking info shown to customers on the order page and in emails, Test and live Stamps.com API modes ($) Card payment gateway for WooCommerce, Checkout integration and payment fields, Fraud screening service, Duplicate payment detection, Multi-currency pricing, Multi-currency switcher block, WooPay express checkout scheduling and session handling
Integrations
Payment — Stripe
E-commerce Stamps.com ($) —
Plugins ELEX licence server ($) —
Other USPS ($), Canada Post ($) FedEx
Requires WordPress 3.0.1 6.0
Requires PHP — 7.4
Tested up to 6.7 7.1
Phones home No Only if you agree
External services production.shippingapis.com, soa-gw.canadapost.ca, swsim.stamps.com translate.wordpress.com, pay.woo.com, public-api.wordpress.com, jetpack.wordpress.com
Blocks — 1