Docs · Flows

Flows

Every sequence diagram, linked to the section it explains.

Every flow is a numbered sequence diagram with the same steps written out underneath. Each one now sits in the section it explains; this page links to them. Sign-in is in the OpenAPI contract. The rest are designed and marked that way.

Sign-in

• Sign in with a signed client assertionQuickstart, step 1. In the OpenAPI contract.

Payments

• A payment, end to endAPI reference, POST /v1/payments. Designed.

Webhooks

• An event, from the change to your endpointWebhooks. Designed.

Agent protocols

• MCP toolsMCP tools. Designed.
• x402 with insimbi in the pathIts own page. Designed.
• Agent Payments Protocol (AP2)Its own page. Designed.
• Agentic Commerce Protocol (ACP)Its own page. Designed.
• Machine Payments Protocol (MPP)Its own page. Designed.
• Universal Commerce Protocol (UCP)Its own page. Designed.
• Visa Intelligent CommerceIts own page. Designed.
• Visa Trusted Agent ProtocolIts own page. Designed.
• Mastercard Agent PayIts own page. Designed.

Connectors to venues, stablecoin partners, connected-account platforms and edge verification are listed under Partners on Integrations (/integrations/#partners).

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