WooCommerce Just Did What Shopify Did — Hours Later, Open Protocol, Full Autonomous Purchase

Shopify announced AI-powered purchasing in ChatGPT this morning. Six hours later, a WooCommerce store completed a fully autonomous AI purchase — identity linked, wallet debited, order in processing — using an open protocol anyone can implement. No partnership deal. No platform exclusivity. Just a spec, a plugin, and a real order. What happened this morning At 09:37 AM today, an AI agent (Claude Sonnet 4.5) completed an autonomous purchase on houseofparfum.nl , a 40,000 SKU WooCommerce perfume store. Here's the full session replay: UCPPlaygroundhouseofparfum.nl via Claude Sonnet 4.5 - UCPPlayground Checkout Reached in 43.6s. Watch the full agent session replay. ucpplayground.com What the agent did, without any human intervention: Searched for a perfume under €30 Created a checkout session Selected the Terrawallet wallet payment instrument (surfaced from the linked identity) Selected flat-rate shipping Called complete_checkout with an idempotency key The wallet was debited €22.93 WooComm