Setting the file. One moment.
Skill 155 · Understanding Billing Usage
Subchapter 155.1
references/spike-alert-mechanics.mdMarkdown1 KBView on GitHub
Usage spike, drop, and change alert emails open the organization usage dashboard with alert-relevant filters. The link usually has this shape:
/organization/billing/usage?usage_types=["event_count_in_period"]&date_from=2023-12-16&date_to=2024-01-14&interval=dayusage_types is a JSON array of billing usage type identifiers.date_to is the alert day, shown at the right edge of the chart.date_from is usually about 29 days before the alert day.interval=day matches the daily Billing usage series.Use these URL parameters to recreate the Billing view first. Then drill into the customer-visible product data for the affected usage type, project, and day.
When validating an alert day, compare it to prior days in the same day class:
This avoids treating normal weekday/weekend traffic shape as a root cause. Keep the answer grounded in what the Billing usage tools return, and call it a reconstruction when you do not have the exact alert row.