Bitrefill
Merchants
Gift cards, phone top-ups, and eSIMs bought over an eCommerce MCP server, payable with x402 or L402 — no account, no card on file
MCPOpenAPIllms.txtL402x402
Walletper-transaction
A directory of services AI agents can actually use — APIs, tools and merchants with machine-readable interfaces and agent payment protocols. Badges are probe-backed, never self-asserted.
Merchants
Storefront, Customer Account, Checkout, and Dev MCP servers plus ACP and UCP support across millions of merchants
Merchants
Flights, stays, and ancillaries — search, book, pay, and manage orders from one travel API
Merchants
Send physical mail and postcards over an API, payable per item over MPP
Merchants
Universal commerce API for agent-initiated purchases across Shopify and major retailers
Merchants
Catalog, orders, and payments APIs for merchants, with a remote MCP server
Merchants
Purchasing API that places, tracks, and returns orders at Amazon, Walmart, Target, and Best Buy on behalf of agents
Merchants
Marketplace of handmade and vintage goods, an early agentic-checkout partner and UCP collaborator
Merchants
Agentic checkout that makes any digital surface shoppable while the merchant stays merchant of record
Merchants
Pay-later and payment methods wired into agentic checkout, an early UCP adopter
Merchants
Domain registration, transfers, and DNS management over API
Merchants
Print-on-demand production and fulfillment over a REST API
Merchants
Retail catalog and fulfillment reachable to agents through UCP-aligned commerce surfaces
Same query as JSON: /api/v1/services?category=shop