Full Answer

The one-click setup does exactly what it sounds like: inside Events Manager, Meta now offers a single button that provisions a server-side endpoint, maps standard e-commerce events (Purchase, AddToCart, InitiateCheckout), and starts sending them — no API credentials to copy, no developer to hire. For Shopify stores and other Meta-hosted integrations, this collapses what used to be a multi-step technical process into a few seconds.

WooCommerce is the exception. Because WooCommerce runs on self-hosted WordPress, Meta's hosted endpoint can't reach into your server to capture purchase events at the point of sale. You still need a plugin — whether that's a dedicated CAPI connector or a broader tracking tool — to fire events server-side from your own infrastructure. The one-click path doesn't break an existing setup, but enabling it alongside an existing plugin can create duplicate events that inflate conversion counts and confuse ad delivery.

The practical takeaway: if you're on WooCommerce and already sending CAPI events through a plugin, leave the one-click toggle alone. If you're starting from scratch, the one-click option won't cover your server-side needs — install a plugin that fires from your own endpoint first.