Embed a complete shipping flow on your WordPress site — rate lookup, label purchase, and tracking powered by USPostage.io.
Download the plugin zip file and install it on your WordPress site to get started.
Go to Plugins → Add New → Upload Plugin, then select the downloaded .zip file.
After uploading, click "Activate Plugin" to enable it.
Go to Settings → USPostage Shipping and enter your API key, secret, and return address.
Place [uspostage_shipping] on any page or post, or use the Gutenberg block.