Visa Intelligent Commerce opens the card network to AI agents
Tokenized credentials, spend controls and partner APIs for agent-initiated purchases.
company
Stripe
Payments incumbent co-authoring MPP with Tempo and documenting agentic commerce, including stated x402 support.
Machine: /v1/intelligence/entity/stripe · Graph: /v1/graph/entities/stripe
Graph relationships
- evt-acp-docs-home
- evt-acp-docs-sellers
- evt-linux-foundation-x402-intent-2026-04-02
- evt-linux-foundation-x402-operational-2026-07-14
- evt-openai-apps-agents-commerce
- evt-openai-instant-checkout-2025-09-29
- evt-stripe-mpp-blog
- evt-stripe-openai-acp-2025-09-29
- evt-tempo-mainnet-mpp-2026-03-18
- evt-visa-intelligent-commerce-2025-04-30
- acp
- mpp
Timeline
Stripe and OpenAI release the Agentic Commerce Protocol with Instant Checkout
A checkout-session protocol for agents, distinct from x402’s HTTP 402 challenge.
OpenAI opens Instant Checkout and publishes ACP as an open standard
ChatGPT becomes a commerce client. Merchants keep their processor.
ACP docs define merchant checkout-session REST endpoints
Five HTTPS JSON endpoints, not an HTTP 402 challenge.
ACP documentation home states the job to be done: programmatic checkout
Agents render checkout state; sellers keep processors. Not HTTP 402.
Tempo mainnet ships with Stripe-coauthored Machine Payments Protocol
A payments chain plus an HTTP 402 protocol that is rail-agnostic across cards and stablecoins.
Stripe documents MPP as an internet-native way for agents to pay
PaymentIntents, Shared Payment Tokens and stablecoins without a checkout UI.
Agent commerce protocols proliferate beyond crypto-native stacks
Stripe ACP, Visa Intelligent Commerce, MPP and x402 now sit in one landscape.
Linux Foundation announces it is launching the x402 Foundation
Coinbase contributes the protocol toward vendor-neutral governance.
Linux Foundation announces operational launch of the x402 Foundation
Forty member organisations listed. Stewardship is now described as active.