Ecosystem
Who does what in the UCP ecosystem?
A matrix of public statuses, not a logo wall or a list of partners of this site.
Co-developer, Tech Council member and launch supporter are not interchangeable. This page uses only the categories found in official sources, with a verification date and evidence link. It does not claim that every entity has a publicly accessible production implementation.
01
Announced co-developers
Status checked on 2026-08-12
- Shopify
- Etsy
- Wayfair
- Target
- Walmart
Evidence: Google Developers Blog, Under the Hood: Universal Commerce Protocol.
02
Tech Council announced on April 24, 2026
Status checked on 2026-08-12
- Shopify
- Etsy
- Target
- Wayfair
- Amazon
- Meta
- Microsoft
- Stripe
- Salesforce
Evidence: UCP GitHub Discussions, Announcing new Tech Council members.
03
Supporters cited at launch, non-exhaustive selection
Status checked on 2026-08-12
- Adyen
- American Express
- Best Buy
- Flipkart
- Macy's
- Mastercard
- Stripe
- The Home Depot
- Visa
- Zalando
Evidence: Google Developers Blog, Under the Hood: Universal Commerce Protocol.
Reading limits
- being cited as a supporter does not prove that a public UCP endpoint is available;
- technical governance membership does not prove a commercial deployment;
- the matrix describes the official ecosystem, not a relationship with the UCP France Observatory.