UCP Checker
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Partnerships

We work with platforms, agencies, AI labs, and payment vendors on data access, integration, and co-published research. UCP Checker stays independent: we don't take equity, exclusivity, or platform-specific arrangements — our methodology is identical for every partner, because neutrality is the whole point of a reference standard. If you're exploring how to work with us, this is where to start.

Domain Reclassified Wrong?

If your store is showing the wrong UCP status, run a fresh check first. Most issues self-resolve in seconds.

Weekly UCP Report

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Real adoption data, ecosystem trends, new spec versions, and the stores that broke or recovered this week. Read by founders and engineers building the next generation of commerce.

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Weekly UCP Report
Issue #51 · Sep 21, 2026
+664
new verified stores
Verified rate
Latest spec
Cart capability