Claude Tag API is available in beta for Claude Enterprise

ClaudeNew modelConfirmed

Anthropic released the Claude Tag API in beta for Claude Enterprise organizations, using the experimental-claude-tag-2026-10-21 beta header.

Its /v1/organizations/claude_tag/ endpoints read and change Claude Tag settings on Slack channels and Slack workspaces, show which settings apply in a channel and where each comes from, and attach Access bundles.
It needs an Admin API key with the read:claude_tag or write:claude_tag scope.

Who can use it: Claude Enterprise organizations. It is not available to Claude Platform (Claude Console) organizations.
When: Released in beta on October 20, 2026, per Anthropic's release notes, which give a date and no time.

Read the official announcement for access details. Availability can depend on your plan, region or workplace settings.