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Sentinel is Hyperline’s built-in monitoring system. It continuously watches your billing operations and surfaces actionable alerts, called tasks, whenever something needs your attention, from failed payments to disconnected integrations.
The Sentinel panel is available only to users with the View tasks role. Within the panel, each user only sees the tasks and entities they have permission to access, based on their role.

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How it works

Sentinel runs in the background and creates a task whenever it detects an issue in one of the monitored areas (payments, invoicing, subscriptions, quotes, or integrations). Tasks are deduplicated so you see a single rolled-up alert per issue category, with a count of affected entities. Each task includes a short description, the number of affected entities (invoices, customers, subscriptions, etc.), and a link to the relevant list page. Use the link to drill down and resolve the issue. You can filter the list using the All, Critical, High, and Moderate tabs to focus on the most pressing issues first.

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Refreshing tasks

When you take an action that resolves part of a task, the task count and list of affected entities refresh automatically a few seconds later. If the count still looks out of date, you can trigger a manual refresh directly on the task.

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Monitored alerts

Sentinel monitors the following alerts, grouped by category:

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Payments

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Invoicing

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Quotes

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Subscriptions

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Integrations

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Settings

Open the Sentinel settings to control which alerts are surfaced. You can enable or disable each alert individually. This is useful for issues that don’t apply to your setup. For example, you can hide electronic invoice alerts if you don’t issue them. Disabled alerts won’t be created or shown in your task list.