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 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 |
 Server wallets, AgentKit, and the public x402 facilitator agents use to sign and settle stablecoin payments |
 Open HTTP payment standard from Stripe and Tempo covering one-shot, recurring, and streaming agent payments across cards, stablecoins, and Lightning |
 Shared payment tokens, agentic network tokens, and ACP support so businesses can sell through AI agents |
 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 |
 Open HTTP 402 standard for per-request stablecoin payments, now at v2 and governed by the x402 Foundation |
 Open protocol using signed mandates so agents can transact within user-defined limits, with x402 and card rails |
 Agent payments platform wrapping x402 wallets, per-call billing, and a hosted tool marketplace agents can spend against |
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 HTTP 402 payment standard over Lightning — macaroon-based credentials for pay-per-request access, with the Aperture reverse proxy as reference implementation |
 Agentic tokens and Agent Pay registration so verified agents can initiate card payments for a consumer |
 Metering, authorization, and settlement for agent APIs, including an x402 facilitator and credit-based plans |
 Agent-ready checkout and payouts, an ACP payment provider, plus a remote MCP server over the PayPal APIs |
 Bank account data, balances, and payment initiation, with a remote MCP server over the dashboard APIs |
 KYA agent identity plus wallets and pay-per-call settlement so services can charge unknown agents safely |
 Payments-focused L1 built for machine payments, co-author of MPP and home of the MPP service directory |
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