Hojun Lee

Search PubMed for medical research papers by drug name, disease, or keyword. Returns title, abstract, authors, journal, publication date, and MeSH terms. Track clinical research, drug efficacy studies, and medical literature trends using the free NCBI E-utilities API. No API key required.

Track and compare PyPI package download statistics including daily, weekly, and monthly counts. Fetch metadata from PyPI JSON API and system breakdowns by OS and Python version. Compare multiple packages side-by-side ranked by downloads. No API key required.

Track Reddit posts from subreddits or search by keyword. Filter by sort (hot/new/top/rising), time period, minimum score, and flair. Returns title, score, upvote ratio, comment count, author, awards, URL, and post content. No API key required.

Aggregate remote job listings from Remotive.io and We Work Remotely. Filter by category, keyword, company, or job type. Returns job title, company, location, salary, skills, and apply link. Combined search across top remote job boards. No API key.

Parse any RSS or Atom feed into clean JSON. Supports news sites, blogs, podcasts, YouTube channels, Reddit, GitHub releases. Batch up to 100 feeds per run. $0.001/feed + $0.0005/item.

Track 175+ tokenized real-world asset protocols: BlackRock BUIDL, Ondo, Centrifuge, Paxos Gold, and more. TVL, daily/weekly changes, chain breakdown by subcategory (treasury, gold, credit, real estate). Free API. $0.002/protocol.

Parse SEC 13F quarterly filings for any institutional fund. Extracts holdings and computes quarter-over-quarter changes: new positions, increased, decreased, closed. No API key required.

Live SEC EDGAR latest filings feed: 10-K/10-Q/8-K/S-1/20-F/13F-HR/DEF-14A/424B5 and more. Filter by form type, CIK, or company name. Returns filer, CIK, role, filed date, accession #, document URL and size. Compliant SEC User-Agent. No API key.

Track corporate insider stock trades (Form 4 filings) from SEC EDGAR. Monitor executive and director buy/sell activity for any US public company. No API key required.

Audit HTTP security headers for any URL: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. Returns a 0-100 score + letter grade + actionable findings. $0.005 per URL.

Given a domain, finds sitemap.xml / sitemap_index.xml (also via robots.txt), recursively expands sitemap indexes, returns one row per discovered URL with lastmod / changefreq / priority. SEO audits, crawl-target prep, content cataloging. $0.0001/URL + $0.01 site fee.

Tracks Solana liquid staking tokens (LSTs): APY, TVL, 30-day trends. Covers jitoSOL, mSOL, BNSOL, JUPSOL, DSOL, DZSOL and more. No API key. $0.005/run.

Real-time Solana network metrics: TPS (real vs vote), epoch progress, SOL supply/circulating, validator count, Nakamoto coefficient, price. Uses Solana public RPC + CoinGecko. No API key. $0.005/run.

Monitor SSL certificates for expiry, chain validity, and cipher suites. Discover subdomains via Certificate Transparency logs (crt.sh). Alerts for certificates expiring within N days. No API key required.

Track the full stablecoin ecosystem: supply, cross-chain distribution, peg health, market share, and inflow/outflow trends. Covers 400+ stablecoins via DefiLlama. No API key required. Monitor USDT/USDC dominance, spot emerging stablecoins, and detect depeg risks.

Track 400+ stablecoins: circulating supply, 24h/7d supply changes (minting/burning signals), peg price deviation in basis points, and mechanism breakdown (fiat/crypto/algorithmic). DefiLlama API, no auth required. $0.002/stablecoin.

Live circulating supply for every stablecoin broken down by chain (USDT, USDC, DAI, FDUSD, USDe, sUSD…) with 1d/7d/30d deltas. Detects large mint/burn events. Macro liquidity leading indicator. DefiLlama data, no API key.

Track trending questions, tag activity, and keyword search across Stack Overflow and 170+ Stack Exchange sites. Filter by tags, sort by votes/activity/hot/week/month, and optionally include top answers. Ideal for developer trend analysis and tech popularity tracking.

Track Stack Overflow questions by tag, keyword, or user. Returns question title, score, view count, answer count, accepted answer, tags, author, and creation date. Filter by date range, minimum score, or answered status. No API key required.

Screen stocks using FinViz filters. Filter by market cap, sector, P/E ratio, RSI, volume, country, EPS growth, dividend yield, and 50+ other criteria. Returns fundamentals, technical indicators, and performance data. No API key required.

Fetch top N holders for any ERC20 token: balance, % of supply, wallet age. Detect whale concentration, insider holdings, and supply distribution risk before trading. Supports any Ethereum token address. Ethplorer data. PPE $0.001/holder.

On-demand security audit for any ERC20 token. Combines honeypot.is (buy/sell simulation) and GoPlus (owner permissions, mint, blacklist, fees) into a single risk report. Critical pre-purchase check for memecoin traders. $0.02 per token.

Daily US Treasury par yield curve straight from treasury.gov: all tenors 1M–30Y, plus 2s10s / 3m10y / 5s30s spreads (bps) and inversion flags. Macro recession indicator. Configurable lookback window + Telegram alerts on inversion. No API key.

Given an EVM address, returns public identifiers: ENS reverse name, Etherscan public nametag (CEX deposit, MEV bot, DAO multisig, etc), contract verification + name, first-tx timestamp / account age, native balance. Pre-send safety check. $0.01 per address.