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Tag a contact

Adds or removes tags on one audience contact, creating any active tag that doesn't exist yet.

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Updated Sep 27, 2026Available asAPI

Description

Pass each tag as `{ "name": ..., "status": "active" }` to add it or `"inactive"` to remove it. Set `is_syncing` to `true` to keep automations based on these tags from firing.

tag-list-member.md

Tag a contact

Adds or removes tags on one audience contact, creating any active tag that doesn't exist yet.

Pass each tag as { "name": ..., "status": "active" } to add it or "inactive" to remove it. Set is_syncing to true to keep automations based on these tags from firing.

Set up

Use the first option your agent supports.

API (official)

Before doing anything else, make one read-only call to confirm access.

Rules

  • Ask the user before anything that sends messages, costs money, or changes data.
  • Never print API keys.

Built from these files in the repository

The layout and the rules come from lib/catalog/render-markdown.ts, the set-up wording from lib/catalog/render-access.ts.

Ways in

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

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