UCP Checker & Validator /.well-known/ucp

Wix and UCP: What Wix Has Actually Signed Onto

If you are on Wix and specifically looking for UCP support, the short answer is that Wix has not signed onto it, at least not per anything in Wix's own materials. What Wix has actually done, per its own blog, is become an official ACP signatory and a lead partner for PayPal's agentic commerce services. Here is what that means in practice, and what your options are if UCP specifically is what you need.

Read this first

We could not find any statement from Wix committing to UCP support, unlike Shopify, or Adobe Commerce's stated commitment. Several third-party guides describe specific Velo code snippets for adding a UCP manifest to Wix. We could not verify these against Wix's own developer documentation, so treat exact code samples from unfamiliar sites with the same skepticism you would apply to any unverified technical claim.

What Wix has actually committed to

Per Wix's own blog, Wix is an official signatory of the Agentic Commerce Protocol (ACP), the standard developed by OpenAI and Stripe. Wix describes this role as ensuring "Wix websites are fully interoperable with the protocol," and frames it as a way to directly shape agentic shopping on platforms like ChatGPT. Separately, Wix is also a lead partner for PayPal's agentic commerce services on platforms including Perplexity.

Neither of these is UCP. ACP is a different, independently governed standard, and PayPal's own agentic commerce push is itself protocol-agnostic rather than UCP-specific. If your goal is specifically UCP compliance, Wix's public commitments do not currently cover it.

Worth knowing

Wix is already a named integration partner in PayPal's own Store Sync program, which we cover in our PayPal and Agentic Commerce guide. So a Wix store using PayPal for payments may already have a real path toward AI discoverability through that integration, even without UCP specifically.

A note on ACP, given what changed in March 2026

Being an ACP signatory meant something different when Wix's commitment was made than it does today. OpenAI retired ChatGPT's in-chat Instant Checkout on March 4, 2026, citing low adoption, and shifted the protocol's role from powering inline checkout to primarily product discovery and feed data. See our Stripe and Agentic Commerce guide for the full detail on that change. The practical effect for a Wix store is that ACP interoperability today is more about being discoverable in ChatGPT's product results than about a customer completing a purchase without leaving the chat.

If you specifically want UCP on Wix

Since Wix has not published an official UCP integration, the only route today is custom development through Velo, Wix's own development platform, building and serving a manifest yourself at /.well-known/ucp. This puts a Wix store in a similar position to a WooCommerce store without one of the third-party plugins, or to a headless Shopify setup, custom work rather than a built-in toggle. For what the manifest actually needs to contain, see our Universal Commerce Protocol guide, the requirements do not change based on which platform is serving the file.

Check what your Wix site actually publishes

Whether you build a manifest yourself or are just checking your current setup, verify it directly rather than assuming.

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