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Anomaly alert: unsubscribe rate spike after a campaign send

One of 565 written HubSpot workflow specs, by a collective of independent HubSpot consultants.

Professional

Seat pricing: Professional edition. To build it, a GTM Seat or an Ops Seat (an Ops Seat cannot create marketing emails or sequences). Per-hub plans: Marketing Hub Professional.

Contact2 stepsUpdated for HubSpot seat pricing
OutcomeOnce a week, the marketing channel gets a message flagging any send from that week whose unsubscribe rate crossed a set threshold, so a poorly received campaign gets reviewed without waiting for a monthly report.
Workflow mapreporting-alerts-026
Weekly schedule: Monday 09:00 leads to Report renders: sends from last 7 days, sorted by unsubscribe rate. Report renders: sends from last 7 days, sorted by unsubscribe rate leads to Highest unsubscribe rate at top. Highest unsubscribe rate at top leads to Email sent to Slack channel inbound address. Weekly schedule: Monday 09:00 Report renders: sends from last 7 days, sorted by unsubscribe rate Highest unsubscribe rate at top Email sent to Slack channel inbound address
Weekly schedule: Monday 09:00 leads to Report renders: sends from last 7 days, sorted by unsubscribe rate. Report renders: sends from last 7 days, sorted by unsubscribe rate leads to Highest unsubscribe rate at top. Highest unsubscribe rate at top leads to Email sent to Slack channel inbound address. Weekly schedule: Monday 09:00 Report renders: sends from last 7 days, sorted by unsubscribe rate Highest unsubscribe rate at top Email sent to Slack channel inbound address

When to use it, when not to

Use it

  • Use it on portals without Data Hub Professional that still want some visibility into unsubscribe spikes, on a weekly review cadence rather than real time.
  • Use it to catch a specific send, wrong audience, off-brand content, too-frequent cadence, worth a follow-up conversation with the sender.
Read more on when to use itShow less

Skip it

  • Do not use it expecting a true per-send, same-day alert. This is a periodic review digest built on native reporting, not an instant anomaly detector. See reporting-alerts-025's custom-code pattern for a real-time, per-send alert, which needs Data Hub Professional.
  • Do not use it if unsubscribe rates are consistently low across all sends. There will be nothing to flag most weeks, and a plain weekly send-performance report is simpler to just glance at directly.
Read more on when to skip itShow less

The rest of this spec

Prerequisites · 3 items

Every property with its label, internal name, type and options, plus the assets the workflow needs.

Enrollment · 4 parts

The trigger, the criteria as ticked in the UI, the re-enrollment rule and the suppression list.

Steps · 2 numbered actions

Each action in order with its parameters, branches and delays.

Known pitfalls · 4

Traps seen in production, each with what breaks and what to do instead.

Test plan and UAT script · 2 cases, 3 variants

How to prove it works in a test portal, one case per branch, and a sign-off sheet.

Files · PDF, Markdown, JSON, CSV

The properties JSON creates the fields in one call. The workflow JSON documents the build.

Install · 1 click, switched off

The installer creates the properties and the workflow, switched off, then opens a task for what it cannot create. Nothing is deleted, enabled or enrolled.

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