Mailchimp

Lists every audience list in the account with ids and basic stats.

Fetches one list by id, including defaults and visibility settings.

Creates a new audience list and returns its list id.

Updates list configuration such as name, permission reminders, or contact info.

Deletes a list and dependent resources handled by the Mailchimp API.

Subscribes or upserts a member on a list using email hash addressing.

Retrieves merge fields and status for one list member.

Updates merge fields or subscription status for an existing member.

Removes a member from a list using the subscriber hash.

Pages members of a list with optional status filters.

Adds or removes tags on a member using active versus inactive tag statuses.

Upserts a list member by email and applies tags in a single step. Accepts an array of plain tag names (treated as active) or { name, status } objects.

Lists campaigns with ids, types, and send status summaries.

Fetches campaign settings, recipients, and content references by id.

Creates a draft campaign tied to a list or segment and returns the campaign id.

Patches campaign fields such as subject, from name, or tracking options.

Queues a ready campaign for delivery to its audience.

Deletes a campaign record by id when the API allows removal.

Lists saved or dynamic segments defined on a list.

Retrieves segment rules and member counts for one segment id.

Creates a segment on a list with the provided conditions or static membership.

Updates segment name or rule payload for an existing segment.

Deletes a segment from a list when it is not in use.

Batch adds or removes members on a static segment via member identifiers.