Public /g/.../gdf URLs work for published guides marked AI-readable (reference corpus).

Read + write (notebooks, drafts, patch) requires a per-account Bearer key:

Authorization: Bearer gdf.{account_id}.{key_id}.{secret}

• Personal notebooks: Studio → Connect an AI
• Org portals: Settings → Integrations → GDF agent API

API base: https://{your-host}/api/gdf/v1