kadec0.xyz

CVE vulnerability lookup. Security vulnerability and advisory records from NIST NVD and GitHub Security Advisories — CVSS score, severity, CWEs, and references.

Company domain enrichment. Firmographics, tech-stack detection, social profiles, and metadata for a company domain — a keyless one-call enrichment gateway.

Crypto token prices. Live price, market cap, volume, and 24h change for crypto tokens by id or symbol via CoinPaprika — keyless.

Market fear & greed index. Aggregated investor sentiment from CNN Fear & Greed, the crypto Fear & Greed index, and the VIX volatility gauge.

Multi-engine metasearch. One query fanned out across 2-3 search engines (Brave, Yahoo, Yandex) with results deduplicated by URL and merged by reciprocal-rank fusion — consensus ranking across engines instead of one engine's bias, with per-engine rank attribution on every result.

Citation lookup and reference list for a paper. Given a DOI, arXiv id, OpenAlex id, or PMID, returns its references (the works it cites) and its cited-by list (recent works that cite it), plus full metadata and citation count — for bibliography building and citation lookup. Keyless via OpenAlex and Semantic Scholar.

US congressional stock trades. Stock transactions disclosed by members of the House and Senate under the STOCK Act — politician, ticker, amount, and date.

Stack Overflow Q&A. Programming question and answer search with scores, accepted-answer flags, tags, and answer bodies via the Stack Exchange API.

Full text and open-access PDF retrieval for a paper. Given an arXiv id, DOI, OpenAlex id, PMID, or PMCID, returns the readable body split into sections (introduction, methods, results) plus the open-access PDF location: arXiv via ar5iv, biomedical via Europe PMC, OA locations via OpenAlex for the rest. The 'now read it' call after a paper search. Keyless.

Geocoding and reverse geocoding. Converts an address or place name to latitude/longitude, or coordinates back to an address.

Hacker News feed. Top, new, and best front-page stories plus full-text story search — titles, scores, comment counts, and author for tech and startup news.

YouTube video data. Title, channel, description, view count, duration, keywords, thumbnails, and a best-effort caption transcript for any video — keyless.

Domain WHOIS and DNS lookup. Registrar, creation and expiry dates, nameservers, and full DNS records (A, AAAA, MX, NS, TXT, CNAME) for a domain.

GitHub data. Repository stats, user profiles, and code-search results (stars, forks, language, topics, issues) via the GitHub REST API.

SEC EDGAR filing search. Full-text search of SEC filings (10-K, 10-Q, 8-K and more) by company, ticker, CIK, or keyword — company, form type, date, and document link.

Web page to clean markdown. Converts any URL into LLM-ready markdown plus structured metadata — a keyless alternative to Firecrawl.

Instant website SEO audit. On-page SEO, performance, and accessibility snapshot for any URL — title, meta tags, headings, links, image alt, load time, and an issues list with score.