Agentic Commerce Protocol Ledger

A living, primary-source-verified map of protocols, platforms, payment primitives, identity systems and settlement infrastructure.

Watchlist

ProtocolStatusLaunchedLast verifiedSource
Claude Duet (Anthropic)EarlyOct 20262026-10-23Anthropic article, 21 Oct 2026
UCP (Universal Commerce Protocol)LiveJan 20262026-10-20developers.google.com
Skyfire + KYAPayLiveAug 2024 / Jun 20252026-10-20skyfire.xyz
Personal Agent Protocol (PAP)In developmentOct 20262026-10-23PAP spec (draft 0.2, in progress) and Sierra blog
Amex ACERolling outApr 20262026-10-16American Express agentic commerce
Circle ArcLive (Limited)20252026-10-16circle.com
MCP (Model Context Protocol)LiveNov 20242026-10-16MCP specification
EMVCo Agentic Payments FrameworkIndustry consultationSep 20262026-10-16EMVCo newsroom
Mastercard Agent PayRolling outApr 20252026-09-30mastercard.com
Open USD (OUSD)Live (Limited)Jun 20262026-09-30joinopenstandard.com
Stripe Link wallet for agentsLive (Limited)Sep 20262026-09-29Stripe blog
Apple, Agentic Commerce WatchWatchOngoing2026-09-20Apple Newsroom
IETF AIMS, AI Identity Management SystemIn developmentSep 20262026-09-20IETF Datatracker
Worldline Global Collect UCP payment handlerLive (Limited)Sep 20262026-09-14Worldline release, 14 September 2026; verified Global Collect handler documentation
KYA (Know Your Agent)Partially resolvedOngoing2026-09-10skyfire.xyz
Mastercard Agent Suite for MerchantsRolling outJan 20262026-10-23Mastercard releases, 27 Jan 2026 and 9 Sep 2026
Mastercard Agent ConnectRolling outSep 20262026-10-23Mastercard press release
Claude commerce agents (Anthropic)LiveSep 20262026-10-23claude.com article
Visa Intelligent CommerceLive (Limited)Apr 20252026-09-20visa.com
Visa TAP (Trusted Agent Protocol)LiveOct 20252026-09-20Visa Developer, Trusted Agent Protocol
Mastercard Verifiable IntentSpec publishedMar 20262026-09-20mastercard.com
AMP (Agentic Mobile Protocol)Phase I rollout28 Apr 20262026-09-20Ant International
A2A (Agent2Agent Protocol)LiveApr 20252026-09-20developers.google.com
MPP (Machine Payments Protocol)EarlyMar 20262026-09-20mpp.dev
Amazon Bedrock AgentCore PaymentsLiveDec 20252026-09-20AWS What's New
x402Live (Limited)May 20252026-09-20coinbase.com
AHA Protocol (Agent Hub Access)ReleasedAug 20262026-09-20Alipay / Ant Group open source
Observer ProtocolEmergingFeb 20262026-09-20observerprotocol.org
Salesforce B2B Buyer AgentLiveJun 20262026-06-24Salesforce newsroom GA announcement, 24 June 2026
Adyen AgenticLive (Limited)Jun 20262026-06-16Adyen announcement, 16 June 2026
Mastercard Agent Pay for MachinesReleasedJun 20262026-09-20Mastercard newsroom
Alibaba Qwen Agentic CommerceLiveJan 20262026-09-20Alibaba Cloud
AP2 (Agent Payments Protocol)EarlyApr 20262026-04-28ap2-protocol.org
ACP (Agentic Commerce Protocol)BetaSep 20252026-09-20ACP specification repository
TempoLiveSep 2025 / Mar 20262026-09-20tempo.xyz
GCUL (Google Cloud Universal Ledger)Pilot / Rolling outMar 2025 / 20262026-09-20cmegroup.com
Alipay ACT ProtocolLiveJan 20262026-09-20Alipay statement distributed by Business Wire
ERC-8004 (Trustless Agents)In developmentJan 20262026-09-20EIP-8004 specification
Copilot CheckoutLiveJan 20262026-09-20Microsoft Advertising
Klarna APP (Agentic Product Protocol)LiveDec 2025-klarna.com
Perplexity Buy + CometRolling outNov 2025-about.pypl.com
Worldpay MCPLiveNov 2025-worldpay.com
PayPal Agent Ready + Store SyncRolling outOct 20252026-09-20PayPal Developer
PayOSEarlySep 2025-visa.com
Stripe SPT (Shared Payment Token)LiveSep 2025-stripe.com
ANP (Agent Network Protocol)Early2025-agent-network-protocol.com
NekudaEarlyMay 2025-nekuda.ai
Amazon Buy for MeBetaApr 2025-amazon.com