For AI agents: a documentation index is available at the root level at /llms.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
You can now use the Batch API on any plan, not only Enterprise. Authenticated accounts with the appropriate API key permissions can create batches, add items, and process them through the /batches endpoints. Existing entitlement and rate-limit checks still apply.
