Ramp
Payments
Scoped virtual cards external agents can spend within company policy, plus an MCP server over spend data
MCPOpenAPIMPP
M2M OAuthper-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.
Payments·Rails and facilitators — x402, MPP, L402
Payments
Scoped virtual cards external agents can spend within company policy, plus an MCP server over spend data
Payments
KYA agent identity plus wallets and pay-per-call settlement so services can charge unknown agents safely
Payments
Payments-focused L1 built for machine payments, co-author of MPP and home of the MPP service directory
Payments
Network tokens and credentials for approved agents, plus one endpoint bridging TAP, MPP, ACP and UCP
Payments
Open framework using HTTP Message Signatures (RFC 9421) so merchants can recognize and trust a legitimate agent before it transacts
Payments
API gateway that puts an x402 or key-based paywall in front of any endpoint agents call
Alibaba and Ant International trust protocol for agent commerce, running at scale across Asian marketplaces
Amex developer kit for agent-initiated card payments with cardholder-scoped authorization
Payments
Accept stablecoin and crypto payments through a hosted checkout API
Payments
Wallet and mandate infrastructure for agentic checkout, aligned to ACP flows
Payments
Crypto payment gateway API supporting 300+ assets with webhooks and payouts
Payments
Human-in-the-loop payment rails that let agents move real money under explicit approval policies
Payments
Programmatic virtual card issuing with agent-compatible APIs and granular spend rules
Same query as JSON: /api/v1/services?category=pay&page=2
