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Review website redirects after an unsubscribe

Turn a lost subscriber signal into a focused website change review.

Trigger

Unsubscribe Trigger

Triggered when a subscriber unsubscribes from Mailchimp

Action

Redirects API Lookup

Tool to retrieve live and historical redirects for a website. use after confirming the exact root domain to gather inbound and outbound redirect timelines.

Why this helps

An unsubscribe may reflect a changed site or destination, but redirect history is rarely checked in time.

  • Investigate possible site changes
  • See inbound and outbound redirect timelines
  • Give retention reviews concrete evidence

Setup

Build it in a few focused steps.

  • 1Connect Mailchimp and BuiltWith in the Notis portal.
  • 2Create an automation in Automations, New Automation.
  • 3In one instruction, ask Notis to confirm the unsubscribed contact's root domain and run a BuiltWith Redirects API Lookup.
  • 4Pick the Mailchimp Unsubscribe Trigger and select a report channel.
  • 5Test with one real unsubscribe event and review the redirect timeline.

Questions about this workflow

Can this prove why someone unsubscribed?

No. It can surface redirect changes as a possible signal, but the reason must come from other evidence.

Can historical redirects be included?

Yes. Ask Notis to summarize both live and historical redirect results.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

Notis builds workflows that link Mailchimp to Builtwith. A trigger fires from one place; an action lands in another.

Mailchimp triggers

Builtwith actions

Recurring trigger

Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.

TriggerScheduled

Create Domain List File

Tool to create a txt or zip file from a list of domains. use when preparing a domain list for bulk or firehose lookups.

ActionInstant

Webhook trigger

Notis starts this workflow when an external tool or custom backend sends an HTTP request.

TriggerInstant

Datasets Lookup

Tool to access mass internet technology usage information from 2000 to today. use when you need historical technology usage trends for a domain.

ActionInstant

Campaign Trigger

Triggered when a campaign is sent or experiences an event in Mailchimp

TriggerInstant

Domain API Lookup

Tool to retrieve current and historical technology information of a website. use after confirming the domain to lookup.

ActionInstant

Profile Update Trigger

Triggered when a subscriber's profile is updated in Mailchimp

TriggerInstant

Financial API Lookup

Tool to fetch financial data for a domain. use when you need company financials for us or uk registered websites.

ActionInstant

Subscribe Trigger

Triggered when a subscriber subscribes to Mailchimp

TriggerInstant

Free API Lookup

Tool to access last updated dates and counts for technology groups and categories for websites. use when you need a snapshot of technology usage timing for a domain.

ActionInstant

Unsubscribe Trigger

Triggered when a subscriber unsubscribes from Mailchimp

TriggerInstant

Lists API Get List With Meta

Tool to retrieve a list of websites using a specified technology, including metadata. use when you need detailed company and site information for sites using a particular technology.

ActionInstant

Lists API Get List

Tool to retrieve a list of websites using a specific technology. use when you want to find sites leveraging a particular tech.

ActionInstant

MCP API Lookup

Tool to query live web technologies for a root domain. use after confirming a valid domain name.

ActionInstant

Connect any two apps with Notis in the middle.

Mailchimp and Builtwith, or any other combination from 1,000+ integrations.

When this happens · Trigger

Do this · Action

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