Balvinder Singh — BS monogramBalvinder SinghPaymentsAIArchitecture

Payment Lab

Follow a transaction across terminal, middleware, and host.

Change where a message is lost and see why different systems can hold different, truthful statuses at the same moment. Each exhibit states its assumptions and uses synthetic identifiers only.

Exhibits in the lab

Pick a failure. Watch what each system knows.

  • live

    Payment Flow Explorer

    Deterministic simulator that shows what Terminal, Middleware, Host, and Merchant know when a transaction takes an unexpected path.

    Open exhibit →
  • live

    Agent Payment Trust Simulator

    A user mandate meets a proposed transaction. The engine walks every guardrail and produces APPROVE / DENY / STEP-UP with a full audit trail.

    Open exhibit →
  • live

    Agent Settlement Rails Matrix

    Compare payment rails an autonomous agent might use — settlement window, cost, reversibility, identity binding, agent-readiness.

    Open exhibit →
  • planned

    Architecture Copilot

    Source-grounded Q&A over a published sample payment architecture. Planned — publishing an AI-backed exhibit requires guardrails first.

    Planned · not open yet