This site
The method, running on the marketing site
tekefy.com is a static site. Teke, the FAQ ask box, and the Solution Finder call the Claude API through Netlify Functions. Each function checks the origin, caps the body size, and rate-limits by IP. There is no account and no tracking cookie.
The model id is recorded in the function configuration. Chat turns use a low effort setting. The Finder's final map uses a separate model. Without an API key the pages still run, in demo mode, so the journey can be reviewed.
That is the same list we hand a client: allowlist, rate limit, spend cap, model record. The public version of the list is the Governance Standard.