Services — the AI agent directory

Services in the directory
Service	Tags	Interfaces	Payments	Auth	Score
Klarna Pay-later and payment methods wired into agentic checkout, an early UCP adopter OpenAPIllms.txt	payments+3	OpenAPI+1	UCP	api-key, Merchants	3/5
Walmart Retail catalog and fulfillment reachable to agents through UCP-aligned commerce surfaces OpenAPI	retail+3	OpenAPI	UCP	api-key, Merchants	3/5
Target Big-box retail inventory participating in UCP agentic shopping journeys llms.txt	retail+2	llms.txt	UCP	api-key, Merchants	2/5
Wayfair Home goods catalog participating in UCP agentic shopping journeys	retail+2	—	UCP	api-key, Merchants	2/5