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
Open spec from OpenAI and Stripe for agent-initiated checkout — product feeds, checkout endpoints, and scoped delegated payment tokens with the merchant staying merchant of record
Payments
Server wallets, AgentKit, and the public x402 facilitator agents use to sign and settle stablecoin payments
Payments
Open HTTP payment standard from Stripe and Tempo covering one-shot, recurring, and streaming agent payments across cards, stablecoins, and Lightning
Payments
Shared payment tokens, agentic network tokens, and ACP support so businesses can sell through AI agents
Payments
Issue virtual cards agents can spend on, with real-time authorization decisions, per-card spend controls, and full transaction visibility
Open commerce standard from Google and Shopify for agentic shopping journeys across retailers, pairing with AP2 for the payment leg
Payments
Open HTTP 402 standard for per-request stablecoin payments, now at v2 and governed by the x402 Foundation
Payments
Open protocol using signed mandates so agents can transact within user-defined limits, with x402 and card rails
Payments
Agent payments platform wrapping x402 wallets, per-call billing, and a hosted tool marketplace agents can spend against
Payments
USDC issuance, programmable wallets, and Circle Payments for agent-to-agent settlement
Payments
HTTP 402 payment standard over Lightning — macaroon-based credentials for pay-per-request access, with the Aperture reverse proxy as reference implementation
Payments
Agentic tokens and Agent Pay registration so verified agents can initiate card payments for a consumer
Payments
Metering, authorization, and settlement for agent APIs, including an x402 facilitator and credit-based plans
Payments
Agent-ready checkout and payouts, an ACP payment provider, plus a remote MCP server over the PayPal APIs
Payments
Bank account data, balances, and payment initiation, with a remote MCP server over the dashboard APIs
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
API gateway that puts an x402 or key-based paywall in front of any endpoint agents call
Payments
Crypto payment gateway API supporting 300+ assets with webhooks and payouts
Payments
Programmatic virtual card issuing with agent-compatible APIs and granular spend rules
Same query as JSON: /api/v1/services?category=pay&has_llms_txt=true
