Extracts all hyperlinks from a webpage. Fetches the target URL, resolves relative links to absolute URLs, and classifies each as internal (same domain) or external. Filter by all/external/internal, cap results with limit. Returns page title, total link count before filtering, and a structured array of {href, text, is_external, domain}. Priced at $0.004 — 20% below orbisapi web-scrape-links ($0.005/call). Upstream: direct HTTP fetch, no API key.