Anthropic added the `anthropic-workspace-id` response header to the Claude API.

API responses now expose which workspace the request’s API key or access token resolved to.

For requests using an API key or access token, responses identify the resolved workspace, including the Default Workspace.

• Aug 13, 2026The monitored snapshot removed Gemini Developer API pricing page content.
• Aug 13, 2026Anthropic modelcard removed model overview content for Claude Fable 5 and Mythos 5.
• Aug 12, 2026Claude Managed Agents webhooks now cover environment and memory store lifecycle events without polling.

This is the world we build in. It moves this fast. We move with it.