Respond Fast to Churn Spikes
Unsubscribe rates spike and go unnoticed. Notis alerts you urgently so you can investigate before churn becomes a trend.
Trigger
Unsubscribe Trigger
Triggered when a subscriber unsubscribes from Mailchimp
Action
Create a reminder
Creates a slack reminder with specified text and time; time accepts unix timestamps, seconds from now, or natural language (e.g., 'in 15 minutes', 'every thursday at 2pm').
Why this helps
A single bad email can trigger a wave of unsubscribes. By the time you notice, damage is done.
- Respond before damage spreads
- Investigate root cause quickly
- Protect sender reputation
Setup
Build it in a few focused steps.
- 1Ensure Mailchimp and Slack are connected to Notis
- 2Ask Notis: 'Send me an urgent reminder in Slack if unsubscribe rate exceeds 1% in a single day'
- 3Set your spike threshold (based on your normal rates)
- 4Choose the channel for urgent alerts
- 5Notis monitors unsubscribe events and alerts you if rates spike
Questions about this workflow
What is a normal spike threshold?
If your typical unsubscribe rate is 0.3%, alert at 1%. Adjust to your baseline.
What should I do when alerted?
Check your recent campaigns, read unsubscribe feedback, identify the problematic email, and consider a follow-up.
Can this be a false alarm?
Sometimes a popular email generates more unsubscribes. Setting smart thresholds prevents false alarms.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Mailchimp to Slack. A trigger fires from one place; an action lands in another.
Mailchimp triggers
Slack actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Set snooze duration
Deprecated: turns on do not disturb mode for the current user, or changes its duration. use `set dnd duration` instead.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Add a custom emoji to a Slack team
Deprecated: adds a custom emoji to a slack workspace given a unique name and an image url. use `add emoji` instead.
Campaign Trigger
Triggered when a campaign is sent or experiences an event in Mailchimp
Add an emoji alias
Adds an alias for an existing custom emoji in a slack enterprise grid organization.
Profile Update Trigger
Triggered when a subscriber's profile is updated in Mailchimp
Add a remote file
Adds a reference to an external file (e.g., google drive, dropbox) to slack for discovery and sharing, requiring a unique `external id` and an `external url` accessible by slack.
Subscribe Trigger
Triggered when a subscriber subscribes to Mailchimp
Add a star to an item
Stars a channel, file, file comment, or a specific message in slack.
Unsubscribe Trigger
Triggered when a subscriber unsubscribes from Mailchimp
Add call participants
Registers new participants added to a slack call.
Add emoji
Adds a custom emoji to a slack workspace given a unique name and an image url; subject to workspace emoji limits.
Add reaction to message
Adds a specified emoji reaction to an existing message in a slack channel, identified by its timestamp; does not remove or retrieve reactions.
Connect any two apps with Notis in the middle.
Mailchimp and Slack, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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