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Add an event for a contact

Records a named event, with optional properties and time, for one audience contact.

Updated Sep 27, 2026

add-list-member-event.md

Add an event for a contact

Records a named event, with optional properties and time, for one audience contact.

Note: Events can trigger automations: set is_syncing to true when importing ones that shouldn't. The event name is 2 to 30 characters.

Set up

Use the first option your agent supports.

API (official)

Note: {dc} is your data center, the part of the API key after the dash, such as us6.

Before anything else, confirm access with the cheapest read-only call, like a list or a search. Never send or change anything to test access.

Rules

  • Ask the user before anything that sends messages, costs money, or changes data, and say how many records it touches. One approval covers a batch the user has seen.
  • Never print API keys.

Ways in

RouteSourceCallRequiredDocs
APIOfficialPOST /lists/{list_id}/members/{subscriber_hash}/eventsAPI key in $MAILCHIMP_API_KEYDocs

Workflows using Add an event for a contact

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No published workflow uses Add an event for a contact yet.