URL to Markdown or structured JSON (schema.org/OG); renders SPA; batch reads. No signup/key.
Free
Scanned where there is a package or repository to read, and every release diffed against the tool surface we already hold.
URL to Markdown or structured JSON (schema.org/OG); renders SPA; batch reads. No signup/key.
Watch any URL for changes: baseline, then check for a diff. Free, no signup/key.