www.x402financialdata.com x402 offerings

Nearest Ethereum block number to a given Unix timestamp, from Etherscan's V2 API -- anchors a point in time to a specific block for historical on-chain lookups (e.g. state as of a given date). Not address-specific. $0.01/call.

Basic company/fund profile for a US ticker: name, sector/industry (or fund category for ETFs), country, exchange, employee count, market cap, and a short business summary. From real Yahoo Finance data. $0.005/call.

Real crypto market data in one batched call: price, market cap, market-cap rank, 24h volume/high/low/change, circulating/total/max supply, and all-time-high with date -- for BTC, ETH, SOL, and 17+ other major coins by ticker. Richer than a plain price feed: most stock-data APIs' crypto tickers report null market cap. From CoinGecko. $0.005/call.

Global crypto market snapshot in one call: total market cap, 24h trading volume, 24h market-cap % change, BTC/ETH dominance, and active-coin/market counts -- the whole-market context behind any single coin's move. Not ticker-specific. From CoinGecko. $0.005/call.

Recent ERC-20 token transfer events for a wallet address on Ethereum in one call: token name/symbol, decimal-adjusted value, and counterparties -- from Etherscan's V2 API. Optionally filter to one token via contract_address. Supports optional limit (default 25, max 100). $0.01/call.

Current ETH price in USD and BTC, from Etherscan's V2 API. A quick single-value price check -- for market cap/volume/supply detail use /crypto-prices instead. Not address-specific. $0.005/call.

Total ETH supply, from Etherscan's V2 API. Not address-specific. $0.01/call.

Every US airport currently under an active FAA advisory in one call: closures, ground stops, ground delay programs, and arrival/departure delays, each with its reason and timing. Live from the FAA's own public National Airspace System status feed -- the same source air traffic control uses. Not airport-specific. $0.01/call.

Status for one US airport by IATA code: any active FAA closure, ground stop, ground delay, or arrival/departure delay, or a clean 'normal' result when there's nothing active. Live from the FAA's official NAS status feed. $0.01/call. Query: ?airport=JFK

Current gas price suggestions (safe/propose/fast, in gwei) plus the suggested EIP-1559 base fee for Ethereum, from Etherscan's V2 API. Not address-specific. $0.01/call.

Recent internal transactions (value transfers triggered by a contract call -- swaps, withdrawals, contract creations) for a wallet or contract address on Ethereum, from Etherscan's V2 API. These never show up in a normal txlist but often carry the actual fund movement. Supports optional limit (default 25, max 100). $0.01/call.

Day's biggest gainers and losers screened from the entire market, live from Yahoo Finance. Each mover includes ticker, company name, current price, intraday change amount and %, and volume — the market context every trader needs. Not ticker-specific. Supports optional limit per list (default 10, max 25). $0.01/call.

Market risk sentiment in one call, live from FRED: volatility index (VIX), high-yield and investment-grade credit spreads, financial conditions index, US dollar strength, and WTI crude oil price — the 6 metrics that flag systemic risk and market-wide stress. Replaces 6 separate FRED lookups for traders monitoring macro volatility and risk-off sentiment. Not ticker-specific. $0.01/call.

Native ETH balance for up to 20 wallet addresses in one call, from Etherscan's V2 API -- a portfolio-style batch lookup instead of N separate /wallet-balance calls. Not address-scoped in the path; pass addresses as a comma-separated query param. $0.01/call.

Recent ERC-721 NFT transfer events for a wallet address on Ethereum in one call: token ID, collection name/symbol, and counterparties -- from Etherscan's V2 API. Supports optional limit (default 25, max 100). $0.01/call.

Every open market under one exact Kalshi series ticker (e.g. Fed rate decisions, recession odds) -- the reliable, exhaustive complement to /prediction-markets' best-effort keyword scan. Unlike keyword search, series_ticker is a genuine exact server-side filter. An empty result can mean an unknown series_ticker OR a real series with nothing open right now -- Kalshi's API returns the same response for both, flagged via the 'note' field. Supports optional limit (default 25, max 50). $0.01/call.

Real-time quote in one call: current price, intraday open/high/low, previous close with change and change %, volume metrics, 52-week high/low, and 50/200-day moving averages from real Yahoo Finance data. Works for stocks, forex pairs (e.g. EURUSD=X), and commodity futures (e.g. GC=F gold, CL=F oil), not just equities. $0.005/call.

Top USD-pegged stablecoins by circulating market cap, live from DeFiLlama: current peg price with deviation from $1 (a live depeg monitor), plus 1d/7d % change in circulating supply. Not ticker-specific -- a market-wide screener. Supports optional limit (default 10, max 25). $0.01/call.

Latest news headlines and summaries for a stock ticker from real Yahoo Finance data. Includes article title, summary, publish date, publisher name, and URL — everything needed to monitor sentiment and catalysts. Supports optional limit parameter (default 10, max 50). $0.005/call.

Historical OHLCV/candlestick bars for any US stock ticker over any date range — 1-minute intraday up to monthly at precise multipliers (1/2/5/15/30/60/90-minute, 1-hour, 1/5-day, 1-week, 1/3-month), from real Yahoo Finance data. Supports backtesting, charting, and multi-timeframe analysis. $0.01/call.

US Treasury yield curve in one call: 1mo/3mo/6mo/1yr/2yr/5yr/10yr/30yr yields, the 10y-2y and 10y-3mo spreads, and a boolean inversion flag on each -- a classic recession/risk-off signal every macro trader watches. Live from FRED's daily constant-maturity Treasury series. Not ticker-specific. $0.01/call.

Top active prediction markets by 24h trading volume on Polymarket -- what's trending right now, no keyword needed. Pairs with /prediction-markets (keyword search) and /prediction-market (exact-ID lookup): use this one when you don't already know what to search for. Not ticker-specific. Supports optional limit (default 10, max 25). $0.01/call.

US housing market snapshot in one call, live from FRED: housing starts, building permits, the Case-Shiller home price index with YoY change, and the 30-year fixed mortgage rate -- replaces 4 separate FRED series lookups. Not ticker-specific. $0.01/call.

US labor market snapshot in one call, live from FRED: nonfarm payrolls (level + MoM change), JOLTS job openings, average hourly earnings (YoY), and labor force participation rate -- the monthly labor picture that complements /jobless-claims' weekly initial/continuing claims. Replaces 4 separate FRED series lookups. Not ticker-specific. $0.01/call.