- Name: enter a descriptive name
- Type: Unsubscribe
- Source: API
- email = [email]
For this reason, there is no "email changed" Webhook that can be triggered. That said , because a "subscribe" event does indeed occur when there is a change in the email address, you could pass that piece of information to another application if there is a custom field - not the email address - that identifies the customer. For example, there may be a CustomerID custom field that holds the ID of that person in a CRM or ecommerce e-commerce system.
If that is the case, you only need to trigger a "subscribe" Webhook that passes to the external system's callback URL: