Rails and facilitators — x402, MPP, L402
Network tokens and credentials for approved agents, plus one endpoint bridging TAP, MPP, ACP and UCP
Open framework using HTTP Message Signatures (RFC 9421) so merchants can recognize and trust a legitimate agent before it transacts
Same query as JSON: /api/v1/services?category=pay&protocol=tapAdd to Claude Code:claude mcp add botfriendly …