Anthropic Admin API

REST discovered

Details

URL: https://api.anthropic.com/v1/organizations
Docs: https://docs.anthropic.com/en/api/administration-api

Authentication

Anthropic Admin API key api_key discovered Get key ↗

x-api-key: <credential>

In the Anthropic Console, create an Admin API key from Settings → Admin keys. The Admin API docs say Admin API keys start with sk-ant-admin... and are sent in the x-api-key header.

Claude Console OAuth login oauth2 discovered Set up OAuth ↗

Authorization: Bearer <credential>

Run the `ant` CLI quickstart command ant auth login. This opens a browser-based OAuth flow against the Claude Console and stores the resulting credentials locally. For Claude Code, the authentication docs say running claude on first launch opens a browser login flow and stores the session locally.