WooCommerce Stamps.com API
USPS shipping rates, labels and tracking brought into WooCommerce, with batch printing and shipment options for stores handling regular order fulfilment.
Instant access Original unmodified files Free future updates
USPS shipping rates, labels and tracking are the centre of this WooCommerce integration. It connects order information with Stamps.com services so store operators can calculate rates, prepare labels and follow shipments without treating shipping as a separate manual process.
Shipping from orders
The plugin is aimed at the operational part of fulfilment rather than storefront presentation. It uses items in an order as the basis for ready-to-print shipping labels, giving staff a direct route from a paid WooCommerce order to a shipment document. Automatic label generation covers domestic and international shipments, which gives the same workflow room for local orders and overseas dispatches.
Real-time rate calculations are another practical part of the integration. Rates are based on Stamps.com services and access the latest USPS rates when labels are created. That is more useful than maintaining a static table of postage costs, particularly for stores where package destinations and service choices change from order to order.
Labels and tracking
Label production is supported at both individual-order and batch level. A single order can be prepared for dispatch, while batch label printing addresses a queue of high-volume orders without requiring each label to be handled separately. The listing also describes customisable shipping settings, so the tool is not limited to one fixed set of fulfilment choices.
- Real-time shipping rate calculations based on Stamps.com services.
- Automatic label generation for domestic and international shipments.
- Shipment tracking for keeping customers informed.
- Batch label printing for high-volume order processing.
- Support for multiple listed shipping methods, including USPS, UPS and FedEx.
- Reporting tools for monitoring shipping performance.
Tracking extends the workflow beyond the printer. Shipment information can be used to keep customers informed, while the reporting tools are intended to give the store an overview of shipping performance. Together, these features cover rate selection, dispatch paperwork, post-dispatch visibility and a basic management view.
Operational fit
This arrangement suits a WooCommerce store that wants shipping work to stay close to its orders. Staff dealing with fulfilment have rates, labels and tracking in the same general administrative workflow, rather than relying on a separate process for every stage. The combination of automatic labels and batch printing is particularly relevant to stores where shipping is a repeated daily task rather than an occasional manual action.
What to weigh
The product description leaves some important boundaries unclear. The summary focuses on USPS, while the feature list also names UPS and FedEx. That broader carrier support is worth confirming against the services a store actually uses, since the listing does not explain how those carriers are connected or which shipping methods receive live rates.
The reporting feature is also described at a high level. It promises tools for monitoring shipping performance but does not identify the reports, filters or metrics included. Stores that need detailed carrier comparisons or fulfilment analysis should treat this as an area to verify rather than assume it provides a full analytics system.
Finally, the plugin is centred on shipping execution. It addresses rates, labels, tracking and shipping reports, but the supplied information does not describe inventory control, warehouse management or broader order automation. Stores looking beyond postage and dispatch documents will need additional tools for those responsibilities.
Who it suits
WooCommerce retailers with regular USPS fulfilment are the clearest audience. The plugin brings rate calculation, label creation, batch processing and tracking into one shipping-focused workflow, with international labels and several listed carrier options adding scope. It is a sensible fit for teams that want less manual label preparation while retaining visibility after an order leaves the store. The main decision points are carrier coverage and the depth of reporting required.
The verdict
Download WooCommerce Stamps.com API and see for yourself
You get the full WooCommerce Stamps.com API release (v2.3.4), ready to install, plus every update that follows. One click and it is yours.
Download WooCommerce Stamps.com API v2.3.4- Instant download
- Original developer files
- Updated 11 Sep 2026
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