UCP Directory · Universal Commerce Protocol
The UCP Directory — every monitored store, in one searchable index
Browse all 23,913 domains we monitor for Universal Commerce Protocol support. See runtime performance grades on the leaderboard, or track ecosystem adoption across the index.
19,316
Verified
Stores with valid UCP profiles
23,913
Total Domains
All merchants in our crawl index
1,997
Not Detected
No UCP profile at the standard path
2,102
Blocked / Unreachable
Bot walls, DNS failures, or 5xx errors
DomainUCP ScoreStatusLast Checked
Page 1 of 50 · 2,500 merchants
Know a UCP-ready merchant?
Check any domain to verify its UCP status and add it to the index. Verified stores show up here automatically.