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A reliable cross-border liquidity agent needs to reason about each payment corridor as its own operating environment. It should maintain a currency-aware view of obligations and available funds, check that settlement routes are actually open and eligible, and constrain its actions with liquidity, legal-finality, counterparty, and recovery controls. The design principles below draw on BIS, CPMI, and CPMI-IOSCO guidance; the proposed agent-control loop is an architectural inference, not a tested product design.
Why a regional agent must understand individual corridors
“Asia” is not one payment system or a single continuous settlement window. A cross-border route can span systems with different operating hours, cutoffs, access policies, clearing and settlement procedures, message standards, and legal or supervisory frameworks. A payment leg that is available around the clock does not make the complete route continuously available.
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CPMI notes that “Fast payment systems (FPS) typically operate around the clock, whereas real-time gross settlement (RTGS) system operating hours are generally more restricted.” Aligning system hours can support liquidity management and faster processing while mitigating settlement risk, but an agent must still check the actual systems and route involved.
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For every currency corridor and participating system, maintain a versioned record of its operating calendar, cutoffs, settlement windows, eligible access routes, message or API requirements, settlement methods, and jurisdictional constraints. Store effective dates and provenance so operators can see which rule set informed a decision.
Before scheduling or committing a payment, require a fresh authoritative check of the route’s operating state and eligibility. If a calendar, access rule, or system status is stale or unavailable, the agent should defer or escalate rather than infer that a route is open.
Build a currency-aware view of liquidity
The agent needs more than account balances. Its liquidity state should bring together current funds by settlement account and currency, expected inflows and outflows, committed and contingent obligations, funding sources, and the settlement windows in which funds must be available. Each input should carry its age and confidence so that a plausible-looking forecast does not conceal missing or uncertain data.
Forecast needs across the settlement horizon
Estimate peak funding needs over the relevant intraday and multiday horizons, not only the net position at the end of a day. Apply the forecast to the specific currencies and windows in which obligations fall due. CPMI-IOSCO’s Principles for Financial Market Infrastructures (PFMI) call for sufficient liquid resources in relevant currencies under a wide range of stress scenarios, along with timely tools to identify, measure, and monitor settlement and funding flows.
Make prefunding tradeoffs explicit
Prefunding relevant accounts is common where settlement agents do not provide foreign participants with intraday liquidity. It can reduce delays and failures, but it can also tie up idle balances or create credit exposure when the balances are supported by commercial-bank funding. The agent should expose those costs and operational risks alongside any proposed funding action rather than optimize only for a smaller balance.
Treat stale balances, missed statements, unresolved payment status, and uncertain funding availability as state-quality failures. A prudent design inference is to lower the agent’s authority or pause action when those failures prevent a trustworthy estimate of available liquidity.
Select settlement methods with residual risk visible
Payment versus payment (PvP) makes the final transfer of one currency conditional on the final transfer of the other, addressing principal risk. It is not universally available or frictionless: CPMI identifies weak incentives, technical integration with RTGS systems, and differences in national legal frameworks as adoption barriers. Eligibility must be checked for the actual currencies, participants, schedule, access route, and applicable legal framework—not assumed from a regional label.
When PvP is unavailable, compare the available settlement approach and state the remaining exposure. The BIS June 2026 review describes distinct methods with different residual risks:
| Settlement approach | Design consideration |
|---|---|
| PvP | Links the final transfer of the two currencies so that one settles if and only if the other does; confirm availability and route-specific eligibility. |
| Intragroup settlement | A settlement method covered in the BIS review; the specific residual risk depends on the arrangement and is not stated here. |
| Pre-settlement netting | Can reduce amounts requiring settlement, but net amounts still need to settle and the netting must be legally enforceable. |
| Timing controls | A method covered in the BIS review; the specific residual risk depends on the timing arrangement and is not stated here. |
| Gross bilateral settlement | Remains exposed to FX settlement risk. |
PFMI calls for linked settlement of exchange-of-value obligations so that one leg settles if and only if the other does, where applicable. If a route cannot provide that protection, the agent’s decision record should make the residual risk and chosen mitigation visible rather than imply that timing or netting is equivalent to PvP.
Constrain what the agent can do autonomously
PFMI specifies risk-management outcomes and infrastructure principles, not a prescribed AI-agent design. A prudent implementation inference is to give the agent bounded authority through explicit per-currency and per-counterparty limits, authorization tiers, amount and time thresholds, and dual control for exceptions. Instructions should be idempotent so retries do not create duplicate payments.
Require human escalation when balances, legal status, route eligibility, or settlement finality cannot be confirmed. Keep an audit record of input values and their age, rule versions, recommendations, decisions, approvals, payment instructions, and outcomes. This supports review of both the liquidity decision and the evidence the agent relied on.
These controls should sit within a comprehensive risk framework that covers legal, credit, liquidity, operational, and other risks. PFMI also highlights dependencies on other financial market infrastructures, settlement banks, liquidity providers, and service providers. Settlement rules need to specify the point of finality and when instructions can no longer be revoked.
Test stress scenarios and recovery before deployment
Evaluate the liquidity plan and operating controls against disruptions that can break either the route or the agent’s view of it. PFMI calls for adequate resources under a wide range of stress scenarios and for identifying scenarios that could prevent critical operations, then assessing recovery or orderly wind-down options.
- Default of the largest participant or an affiliate.
- Delayed or failed settlement, or a closed or shortened system window.
- Loss of a correspondent, settlement bank, liquidity provider, or other critical service.
- FX market disruption or cross-border constraints on moving liquidity.
- Stale balances, missed statements, or unresolved payment status.
As an architectural inference, replay or simulation tests can exercise corridor calendars and failure events, while independent calculations check the agent’s recommendations against liquidity requirements and limits. Those tests are a design recommendation, not a claim that a particular agent has been validated.
Use regional interconnection as a reference, not a universal template
The BIS Innovation Hub’s Project Nexus is a blueprint for connecting domestic instant payment systems through a standardised approach. Its 2024 report covers governance and oversight, risk management, resilience, technology architecture, and operating models, and reflects collaboration with Indonesia, Malaysia, Singapore, the Philippines, and Thailand. Participant implementation guides and ISO 20022 message and API specifications accompany the work.
Nexus is useful when considering interconnection and governance, but it does not establish that every Asian jurisdiction participates or that its scope covers all wholesale FX liquidity use cases. Corridor and settlement requirements still need to be evaluated individually.
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Assess candidate designs against the operational and control questions that determine whether an agent can act safely across the routes it serves:
- Which currencies and corridors are covered, and how are route rules kept current?
- Do system hours and cutoffs support the expected payment schedule?
- What prefunding is required, and how visible are funding costs and constraints?
- How much FX settlement risk is reduced through PvP or legally enforceable netting?
- Are message formats, APIs, and access arrangements interoperable?
- Are finality and jurisdiction-specific legal constraints represented in the decision process?
- Can operations withstand participant, provider, or infrastructure disruption?
- Can a reviewer reconstruct the agent’s inputs, limits, approvals, and payment outcomes?
The scale of the settlement-risk problem is global, not an Asia-only measure: CPMI’s 2025 report, using BIS Triennial Survey data for 2022, states that 31% of global FX turnover—approximately USD 2.2 trillion—settled without any form of PvP risk mitigation. That figure describes 2022 global FX turnover; it is not an estimate of Asian-market turnover.
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