Ideas
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QSTVE / Field Guides
25 one-page field guides for running AI and payments safely. Pick a problem and get the checklist, the prompt and the PDF.
Payment speed
Fast settlement makes the timing and quality of fraud decisions an operating concern. Measure decision latency, evidence freshness and the cost of wrongly blocked payments together.
Payment speed
Agent payments now span cards, accounts, wallets, stablecoins and treasury APIs. Fast authorisation still leaves finance with a human-speed problem when business context is stale or a technically valid payment is wrong.
Spending limits
Giving an agent a task does not settle which purchases it may make. Define spending permission and exception ownership before connecting payment tools.
Spending limits
A transaction can look acceptable to a fraud system while exceeding the instruction given to an agent. Make delegated spending authority explicit and enforceable.
Spending limits
Payment agents are reaching credentials, wallets and settlement systems. The durable control is a narrow mandate with retained evidence, human thresholds and a revocation route that works before the next transaction.
Spending limits
Shopping agents are entering merchant discovery and live transactions. When the conversation becomes the storefront, finance must preserve who the agent represented, the permission it carried and the evidence behind the purchase.
Spending limits
Payment protocols can carry machine transactions, yet protocol capability does not establish business authority. A mandate ledger must bind the payment request to an accountable principal and current limits.
Spending limits
Long-running workflows can retain useful context while financial authority expires. Treating permission as a lease keeps a persistent agent from acting after balances, policy, risk or customer intent have changed.
Spending limits
A detailed prompt remains conversational context. Consequential financial authority needs a separate, machine-checkable mandate evaluated at the tool boundary for every proposed action.
Spending limits
Know-Your-Agent controls can identify and constrain the software actor. The enterprise still needs one continuous record connecting the principal, mandate, policy decision, settlement, delivered result, exception owner and recovery path.
Spending limits
When an agent can select a payment method or establish recurring authority, govern the mandate before a transaction exists. Preserve that authority through execution and reconciliation.
Approval and ownership
Agent identity and tokenised checkout make software legible at the front door. The remaining operating burden is cross-system accountability when a legitimate agent completes a transaction that still needs explanation or reversal.
Approval and ownership
Records distributed across finance, identity, workflow and approval systems cannot answer an authority question until their relationships are explicit. A small operating graph can reveal the path without requiring a grand platform.
Approval and ownership
An agent may accept a persuasive description of its environment. A live execution boundary must obtain environment identity, approval, limits and revocation from trusted state outside the conversation.
Stops and recovery
Configuration records can drift from running agents. Compare the actual jobs, model and access settings with the approved configuration, and retain the differences.
Stops and recovery
Agents are taking multi-step work across documents, data and finance. Recurring work needs a durable delegation record so another operator can see the assignment, authority, evidence, changes and recovery route.
Stops and recovery
Agents can study outcomes and propose better procedures. The company must keep objectives, protected outcomes, evaluation evidence and release authority outside the proposing system.
Stops and recovery
A payment can complete before its reply reaches an agent. Keep the original payment identity across restarts. Use the provider's supported protected retry, or pause and assign a person to check an unknown result before allowing a fresh payment.
Evidence and proof
An agent needs a usable success record and recoverable failure state as part of its design. Build those alongside the task, then test the whole run.
Evidence and proof
A payment receipt records movement of money. A delegated-spend record should also explain the purpose, policy, permission and evidence behind the action.
Evidence and proof
As commerce enters cameras, assistants and programmable settlement, a conventional receipt cannot explain machine judgement. Finance needs an event log that preserves intent, authority, evidence, decision and outcome.
Evidence and proof
An authorised agent can still act on stale catalogues, policies, quotes or public records. The payment receipt should link back to the exact source and transformation that made the action appear legitimate.
Evidence and proof
A model can behave better overall while becoming harder to inspect in the exceptional case. Reasoning traces remain useful sensors; durable authority comes from an external action envelope checked at execution.
Evidence and proof
Choose the proof before an agent begins. Verify the changed result, follow evidence for important claims and measure the time spent reviewing and repairing the work.
Identity and access
A reported evaluation incident showed why declared permission is weaker than enforced containment. Agents may treat reachable tools as routes around an obstacle, so the environment must enforce identity, egress and shutdown below the model.
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