Hojun Lee

Parses SEC Form 4 filings to expose actual insider transactions: CEO/CFO/Director open-market buys & sells, options exercises, awards. Returns ticker, insider name, role, transaction code, shares, price, USD value. Strong quant signal source. Telegram alerts on large trades.

Provide one or more JSON samples (inline or from URLs) and get an inferred JSON Schema (Draft 7 / 2020-12) describing their shape. Bootstrap API validators, Apify input schemas, BigQuery / DuckDB schemas. Powered by genson. $0.01 per inference.

Fetches Korea credit/debit card spending statistics from public financial APIs. Covers total spending, industry breakdown, regional patterns, and YoY changes. No scraping — official public data.

Fetches Korea export/import trade statistics from Korea Customs Service. Filter by HS code, country, port, and period. Returns trade amount and weight data.

Real-time ticker volume, 24h price change, and KRW market depth for Korean crypto exchanges (Upbit, Bithumb, Coinone, Korbit). Detect kimchi premium, Korean retail demand spikes, and arbitrage windows. PPE $0.001/token.

Fetches Korea real estate transaction data from the Ministry of Land public API. Covers apartment, villa, and office-tel buy/rent deals by region and period.

Fetches Korea macro-economic indicators from Statistics Korea (KOSIS) API. Covers GDP, CPI, retail sales, unemployment, service production and 200+ economic indicators.

Live TVL across every L2 / L3 chain: Arbitrum, Base, OP, zkSync, Scroll, Linea, Blast, Mantle, Manta. Plus 1d / 7d / 30d growth %. Catch chain rotations before consensus. DefiLlama. PPE $0.001/chain.

Live supply APR + borrow APR + utilization for USDC, USDT, ETH, WBTC on Aave V3, Compound V3, Morpho across Ethereum/Arbitrum/Optimism/Base/Polygon. Find the cheapest borrow rate and highest yield in DeFi. PPE $0.001/pool.

Real-time Lightning Network dashboard: total capacity, node/channel count and growth, Tor privacy ratio, routing fee benchmarks, and 30-day trends. Combines mempool.space and 1ML.com data. No API key required. $0.005/run.

Tracks Bitcoin Lightning Network stats: channels, nodes, total BTC capacity, fee rates, top nodes by liquidity, and historical trends. No API key. $0.005/run.

Count tokens for any text across 16+ models (Claude Opus/Sonnet/Haiku, GPT-4o, o3, Gemini 1.5, Llama, Mistral) and estimate per-million-token cost. Claude via Anthropic API (BYO key), GPT via tiktoken, others via heuristic. $0.001 per text counted.

Calculate impermanent loss for Uniswap v2-style AMM pools. Auto-fetch current prices via CoinGecko or provide manual ratios. Compares LP vs HODL P&L, factors in fee income, generates scenario sweep. $0.001/calculation.

Real-time peg health for stETH, rETH, cbETH, wstETH, weETH, frxETH, sfrxETH, ezETH. Rebasing vs reward-bearing logic handled correctly — no false depeg alerts. Spot depeg events, monitor LSD basket health. PPE $0.002/LST.

Live Mayan Finance cross-chain swaps: Solana ↔ EVM, source / destination chain, swap value USD, refund status. Catch whale rotation between ecosystems before single-chain data shows it. PPE $0.001/swap.

Given any Apify actor ID, generates ready-to-paste Model Context Protocol (MCP) server configs for Claude Desktop, Claude Code, and Cursor. Wraps the actor as a tool Claude can call directly. $0.005 per config.

Scans Morpho Protocol curated vaults (Gauntlet, Steakhouse, RE7) across Ethereum and Base: TVL, gross APY, net APY after fees, curator info. Public GraphQL API, no auth. $0.005/run.

Real-time gas prices across Ethereum, Arbitrum, Optimism, Base, Polygon, BNB + USD cost estimates for transfers and swaps. Etherscan oracle safe/propose/fast for ETH. Find cheap-gas windows across 10 chains. No API key. PPE $0.001/chain.

Track and compare NPM package downloads, trends, and metadata. Analyze daily, weekly, monthly, or yearly counts for multiple packages. Compare libraries side-by-side, retrieve version, license, and homepage. Ideal for choosing between libraries or monitoring growth. No API key required.

Download any PDF and chunk into semantically coherent segments ready for embedding/RAG. Configurable chunk size + overlap. Returns one row per chunk with page, char count, token estimate. Feed directly into OpenAI text-embedding-3 / Voyage / Cohere. $0.005 per PDF + $0.0002 per chunk.

Tracks all active Pendle yield markets: implied APY, PT discount, YT floating yield, TVL, and 24h volume. Multi-chain (ETH, Arbitrum, Base, BNB). No API key. $0.005/run.

Pendle yield tokenization markets: fixed APY (PT), implied APY, underlying real yield, YT floating APY, PT discount, liquidity, and APY divergence signal (yt_underpriced/overpriced/fairly_priced). No API key. $0.002/market.

Scan Pendle Finance yield markets across Ethereum, Arbitrum, BSC, and Base. Track implied APY, PT/YT prices, liquidity, and time-to-expiry for yield tokenization strategies. No API key required.

Real-time perpetual futures data from dYdX v4 (296 markets): open interest, 8h/annualized funding rate, 24h volume, price change, and max leverage. Filter by OI, funding threshold, or ticker. No API key. $0.001/market.