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REST API & Postman

A small public read-only API, its endpoints, and the Postman collection that tests it every hour.

What it is

A REST API lets programs ask a website for data over HTTP and get structured answers back (JSON). The Kamllistos API exposes the site’s public data: the security glossary and the changelog. It runs on Cloudflare Workers, which runs code at the network edge, and only for paths under /api/. Everything else on kamllistos.com stays static files.

Endpoints

Base URL: https://kamllistos.com

Method Path Returns
GET /api List of endpoints
GET /api/health Service status and current version
GET /api/changelog?limit=20 Recent changes; limit 1–100
GET /api/glossary?q=mfa Glossary search; q ≤ 64 characters, optional category
GET /api/glossary/categories Glossary categories

Try it from a terminal:

curl https://kamllistos.com/api/glossary?q=phishing

Postman

Security design

Decision Why
Read-only Only GET, HEAD and OPTIONS are accepted. Anything else gets 405. There’s nothing to change, so nothing to tamper with.
No authentication, no user data All data is already public, so there are no accounts to break into and no personal data to leak.
Strict input validation Query length is capped, limit must be a whole number from 1 to 100, and category must be a known value. Bad input gets a clear 400, never a crash.
Bounded output At most 50 search results per request.
No leaked internals Errors return a short code and message; stack traces are never sent.
Hardened headers Every response sets nosniff, HSTS, no-referrer and a CSP that allows nothing to load.
Open CORS, on purpose Access-Control-Allow-Origin: * is safe here because the data is public and nothing uses cookies.

Source: worker/index.ts.


Last reviewed October 17, 2026 · Changelog · Next: OWASP Top 10 →