An alert tells you something happened. Decionis decides whether it gets to happen — allow, hold for a person, or block, before the order commits, the payment releases, or the agent acts — and signs a record of the decision. Most teams keep their alerting for observability and add a decision gate on the handful of actions an alert can only report on.
the action is one you cannot afford to read about afterwards: a discount stack pushing an order below margin, a payment job releasing funds, an AI agent spending on your behalf. You need the answer inline — allow, hold, or block — before it executes, a human pulled in exactly when the rules say so, and a signed record of what was decided that stands on its own.
you are watching the health of systems: latency, error rates, anomalies, incidents. Alerting and monitoring platforms are built for coverage across everything, paging the right on-call human, and correlating symptoms during an incident — and a decision gate is the wrong tool for noticing that a service is degrading.
They are two halves of the same posture: alerting watches everything and tells people; the decision gate stands in front of the few actions that must not go wrong and decides. A team typically keeps its monitors and pages exactly as they are, then routes the checkout, the payout, and the agent's tool calls through Decionis — the alert channel even carries the escalations, so the on-call human approves a held action in the same place they handle pages.
| Dimension | Decionis | Alerting tools |
|---|---|---|
| When it acts | Before execution — the verdict returns while the action can still be changed. | After the signal — the event already happened when the alert fires. |
| What you get | A decision: ALLOW, ESCALATE to a person, or BLOCK, with reason codes. | A notification a human has to notice, interpret, and act on. |
| Effect on the outcome | Changes it — a below-floor order or off-policy purchase is held before it commits. | Reports it — the money moved; the alert starts the cleanup. |
| Human dependency | None for clear cases; a person is pulled in only when policy says ESCALATE. | Total — an unread or misrouted alert is an outcome nobody governed. |
| Evidence afterwards | A signed decision record per action, verifiable without trusting our dashboard. | Alert history and dashboards — operational telemetry, not per-action proof. |
| Coverage model | Deep on the few actions that matter most; each one gets a full evaluation. | Wide across all systems and metrics; depth per event is a threshold or a model. |
| Trying it safely | Shadow Mode evaluates real traffic read-only and shows what would have been held. | Alert thresholds tune safely by design — notifications never block anything. |
Speed is not the gap — sequence is. However fast the alert, it fires after the order committed or the payment released, so the fastest possible response is still cleanup. A decision gate runs in the action's own path: the below-margin order is held before it ships, and no one has to win a race against a webhook.
Why the point of execution mattersFor some actions, reversal works — and alerting plus a runbook is genuinely enough there. The gate is for the actions where reversal is expensive or impossible: a shipped order at a loss-making price, funds sent, an agent's purchase on a real card. If your runbook's first step is 'apologize', that action belongs behind a decision, not an alert.
No, and it does not try. Decionis has no opinion on your latency, error budgets, or anomaly detection — keep the monitors and the on-call rotation. What moves is the handful of business actions where 'we alerted on it' has been standing in for 'we decided it'.
What teams gate firstTo the channels your team already watches: an ESCALATE verdict arrives as a message with the action, the rule, and the evidence attached, and the action stays held until someone with the authority approves or blocks it. Your alerting culture is the delivery rail; the difference is that the message now controls the outcome instead of describing it.
How escalation and overrides workAlert history proves a notification was sent. A signed decision record proves what was evaluated, against which policy version, with what verdict — and it verifies independently, so an auditor, buyer, or dispute reviewer checks the record itself rather than trusting your dashboard's retention settings.
Verify a record yourselfRun a scenario in the sandbox and download the signed Decision Dossier it produces, or install shadow mode and watch what would have been held on your own traffic.
Start in shadow mode