In the user's browser.
Target, Best Buy and The Home Depot run through Harbor for Chrome, in the user's own signed-in account. The user taps Place order.
Harbor reaches each store the best way that store allows. You call the same endpoints either way.
Target, Best Buy and The Home Depot run through Harbor for Chrome, in the user's own signed-in account. The user taps Place order.
Shopify, BigCommerce and Wix stores that publish the Universal Commerce Protocol. Discovered from the link, no setup. The user finishes with one tap on the store's page.
WooCommerce, Magento and custom stores. Until it ships, these links return MERCHANT_NOT_SUPPORTED, so your agent can say so.
Stores are listed because they publish an open agent checkout, not because they partner with Harbor.
When a product link isn't in the registry, Harbor checks the store for a Universal Commerce Protocol checkout and adds it on the spot. That's every Shopify store with agent checkout turned on, and a growing number of BigCommerce and Wix stores.
Harbor identifies itself to every store with a public agent profile. No disguises.
Known stores, matched by domain.
/.well-known/ucp on the store.
Reported on the merchant and the checkout.
Tell us where your users shop.