X402 stock APIs for agents, pay per API call X402stock launched a pay-per-call API for market and economic data, enabling AI agents to access live US stocks, options, forex, crypto, macro data, SEC filings, and sentiment without API keys or accounts, paying a few cents per request in USDC. The top x402 API for market & economic data. US stocks, options, forex, crypto and on-chain perps, energy commodities, US and global macro, SEC filings, congressional trades, and market sentiment — built for AI agents. No API keys, no accounts. Your agent pays a few cents per request in USDC and gets clean JSON back. - 136 - endpoints - $0.01 - starting price - 0 - API keys - 100% - US market coverage Call it from any x402-aware agent x402stock is plain HTTP + the x402 https://x402.org payment standard — any agent with a USDC wallet can pay and call it. No SDK lock-in, no accounts. Top offerings The highest-value calls on the API — each one bundles or computes what would otherwise take an agent a dozen requests. all 136 endpoints → endpoints AI Research Report One call fans out across ~16 sources and an LLM writes the bull/bear case, valuation, catalysts, risks & signal read-out. Stock Overview Profile, price, fundamentals, technicals, news & peers for one ticker — in a single call. AI Filing Summary 10-K / 10-Q / 8-K distilled to overview, risks, MD&A, and guidance as structured JSON. Compare Stocks 2–3 tickers side by side: price, P/E, market cap, margins, and yield. Insider Trades Form 4 buys & sells with role, size, price, and a net-buying signal. Technicals Pack RSI, SMA, EMA, and MACD with signal zones in one momentum read. Market Pulse Top gainers, top losers, session status, and headlines — no ticker needed. Try it with AgentCash Point any x402-aware agent at a URL and it just works. The wallet handles the 402 challenge, signs a gasless USDC transfer, and retries. Works from AgentCash https://agentcash.dev , Claude Code, Cursor, or Codex. 1 · set up your agent's wallet npx agentcash onboard 2 · free call — works with zero balance npx agentcash fetch https://x402stock.xyz/api/v1/market-status 3 · fund the wallet prints a USDC deposit link npx agentcash accounts 4 · pay $0.01 for the last price of AAPL npx agentcash fetch https://x402stock.xyz/api/v1/quote/AAPL 5 · save the service so your agent reuses it npx agentcash add https://x402stock.xyz What your agent can ask once it's added Out of the box, an agent answers stock questions from stale training data — no live prices, no SEC filings, no idea what moved this week. Add x402stock through AgentCash https://agentcash.dev and these become answerable — each one backed by a live call your agent pays a few cents for, on demand. - › Research MU's outlook into 2028. Has there been any insider buying lately? Live fundamentals and price, recent news, plus parsed Form 4 insider buys and sells with a net signal. Overview + Insiders/overview/{ticker}$0.05/insider-trades/{ticker}$0.03/news$0.02 - › What stocks have members of Congress been buying or selling lately? STOCK Act disclosures parsed live from House and Senate filings — member, ticker, buy/sell, date, and dollar range. No model knows this; it only exists in this week's filings. Congress Trades/congress-trades$0.03 - › Is the market in fear or greed right now? Today's CNN-style Fear & Greed score with all five components and a forward-return backtest. A point-in-time reading training data can't have. Fear & Greed/fear-greed$0.02 - › Where's the 10-year Treasury yield and what's CPI inflation now? The current Treasury par-yield curve and the latest BLS CPI print — the live macro backdrop an agent otherwise has to guess at from stale numbers. Live Macro/treasury-yields$0.01/inflation$0.02 - › What's the current Fed funds rate and the latest US GDP print? The effective federal funds rate and latest real GDP straight from FRED, with the change — today's values, not a last-year training snapshot. Fed & GDP/fed-funds$0.01/gdp$0.01 - › What's BTC's perp funding rate and open interest right now? Live on-chain funding rate, annualized APR, and open interest from Hyperliquid — derivatives signals that exist nowhere in a model's weights. Perp Funding/perps/{coin}$0.01/perps/funding/{coin}$0.01 - › Which tickers is wallstreetbets talking about most today? The most-mentioned stocks and crypto across the busiest money subreddits over the last 24h, ranked by volume. A live read of right-now retail attention. Reddit Trending/trending/reddit$0.01 - › Is GME a short-squeeze setup? Show short interest and days to cover. Exchange-reported bi-weekly short interest plus daily short-volume ratio — the squeeze signal you can't infer, only pull from the latest FINRA settlement. Short Interest/short-interest/{ticker}$0.02/short-volume/{ticker}$0.02 - › Summarize NVDA's latest 10-K. What are the biggest risk factors and any forward guidance? An AI-structured summary of the filing: overview, risks, MD&A, and guidance, straight from SEC EDGAR. AI Filing Summary/filing-summary/{ticker}$0.03 - › Compare AAPL, MSFT and NVDA on P/E, market cap, margins and dividend yield. All three side by side from one call, no juggling a dozen requests. Compare Stocks/compare$0.05 - › Is TSLA overbought right now? Show me RSI, MACD and the moving averages. Live technical indicators with overbought/oversold and signal-cross zones, not a guess. Technicals/technicals/{ticker}$0.03 - › What were today's biggest movers, and what's the market doing right now? Top gainers and losers, the current session status, and the day's headlines. No ticker needed. Market Pulse/market-pulse$0.03 - › Chart TSLA's daily closing prices over the past year. Historical OHLC bars over any timespan and date range, ready for trend analysis or backtesting. Price History/aggregates/{ticker}$0.02 - › What's AAPL trading at right now, and how has it moved today? The latest delayed price with today's OHLCV, the change, and the previous close in one snapshot. Live Quote/quote/{ticker}$0.01/snapshot/{ticker}$0.01 - › Which US stocks are up the most today, and which are down the hardest? The day's biggest percentage gainers and losers across US equities, with OHLCV per ticker. Gainers & Losers/gainers$0.02/losers$0.02 - › What's the latest news on NVDA this week? Curated market headlines tagged by ticker, with source, publisher, image, and timestamps. Ticker News/news$0.02 - › Did any PLTR insiders sell recently, and what 8-K events has AMD filed? Form 4 transactions for one and item-classified 8-K material events for the other, both live from EDGAR. Insiders + 8-K Events/insider-trades/{ticker}$0.03/material-events/{ticker}$0.03 - › List GOOGL's recent SEC filings: 10-Ks, 10-Qs and 8-Ks. A company's recent SEC EDGAR filings with form type, dates, 8-K item codes, and document links. Filing History/filings/{ticker}$0.01 - › Pull MSFT's quarterly revenue and net income straight from its SEC filings. Filing-grade XBRL fact time series Revenues, NetIncomeLoss taken directly from EDGAR. XBRL Financials/concept/{ticker}$0.02/financials/{ticker}$0.02 - › Pull AMZN's annual income statement, balance sheet and cash flow. Per-period income, balance sheet, and cash flow statements sourced straight from SEC filings. Financial Statements/financials/{ticker}$0.02 - › Show me AAPL's dividend history and any stock splits. Cash dividend schedule with ex and pay dates plus the full split history. Corporate Actions/dividends/{ticker}$0.01/splits/{ticker}$0.01 - › Plot 50-day and 200-day moving averages for SPY. SMA and EMA time series you can tune by window and timespan for a clean trend read. Moving Averages/indicators/sma/{ticker}$0.01/indicators/ema/{ticker}$0.01 - › Who are NVDA's closest peers to compare it against? A quick peer set based on news and analyst-coverage co-occurrence, ready to feed a comparison. Peers/related/{ticker}$0.01 - › Find the ticker for Eli Lilly and pull its company profile. Search US-listed tickers by name or symbol, then resolve exchange, market cap, and sector code. Ticker Search/tickers$0.01/ticker/{ticker}$0.01 - › Is the US market open right now, and when's the next holiday close? Live session status plus upcoming market holidays and early closes. Both endpoints are free. Market Hours/market-status$free/market-holidays$free Wire it in once with npx agentcash add https://x402stock.xyz and your agent reuses it for every question after. How it works The whole flow is one HTTP round-trip the agent's wallet completes automatically. - 01Request Agent calls an endpoint with no payment header. - 02402 challenge Server replies HTTP 402 with the asset, amount, and payTo. - 03Sign & retry Wallet signs a gasless USDC transfer and retries the request. - 04Settle & serve Facilitator settles on Base; the handler returns JSON. Full catalog 133 paid endpoints from $0.01, plus free market status. Every response is shaped { ticker, data, source, as of } . openapi.json → /openapi.json AI research & scores A tier above resale: one call that scores or synthesizes across the whole catalog. An AI research memo, transparent 0–100 squeeze / insider / factor scores, a portfolio risk x-ray, and a plain-English screener. AI equity-research report: bull/bear case, valuation, catalysts, risks, and a per-signal read-out for one stock Short-squeeze score 0–100 : a weighted gauge of short interest, days-to-cover, short volume, FTDs and spark Insider-conviction score 0–100 : net Form 4 flow, role weighting, cluster buys, Form 144 and 13D Quant factor score: value, quality, growth and momentum sub-scores plus a composite 0–100 Portfolio risk x-ray: concentration, sector & market-cap exposure, and weighted performance in one call Natural-language stock screener: describe what you want, get a ranked shortlist with per-name rationale Deliverable reports PNG Pay and get a hosted image back, not just JSON: an equity tearsheet and a strategy backtest — each rendered as a one-page PNG report you get a URL to, plus the underlying data as JSON. Equity tearsheet: a rendered one-page PNG report price chart + stats you get a URL to Strategy backtest rendered as an equity-curve PNG report vs buy & hold you get a URL to Prices & snapshots Last price, full snapshots, daily bars, and the day's movers. Last price for a US stock, 15 minute delayed Full ticker snapshot last quote, last trade, OHLC, prev close, %change Previous trading day OHLC bar Daily open/close + pre/after-hours for a specific date Top gaining US stocks today Top losing US stocks today Whole-market daily OHLC for one date Charts & indicators OHLC aggregates and computed technical indicators. Historical price history: OHLC bars over any timespan and date range Simple Moving Average SMA Exponential Moving Average EMA Relative Strength Index RSI Moving Average Convergence/Divergence MACD Forex Currency-pair price history and previous-day bars — same pay-per-call, no API key. Forex price history: OHLC bars for a currency pair over any timespan and date range Previous day OHLC bar for a currency pair Crypto Crypto-spot price history, previous UTC-day candles, and daily open/close — same pay-per-call, no API key. Crypto price history: OHLC bars for a spot pair over any timespan and date range Previous UTC-day OHLC candle for a crypto spot pair Daily open and close for a crypto spot pair on a specific date Fundamentals & corporate actions Financial statements, dividends, splits, and corporate events. Fundamentals: income, balance sheet, and cash flow statements Dividend history cash amount, ex-date, pay date, frequency Stock split history Corporate events ticker changes and more SEC filings & disclosures Straight from SEC EDGAR: filing history, insider trades, 8-K events, raw XBRL facts, AI-structured summaries, and full ETF/fund portfolio holdings N-PORT . SEC filing history for a company: 10-K, 10-Q, 8-K, Form 4, and more Insider transactions from SEC Form 4: who bought or sold, how much, at what price Material corporate events from 8-K filings, classified by SEC item code Time series of a single XBRL financial fact straight from SEC filings AI-structured summary of a 10-K, 10-Q, or 8-K: overview, risk factors, MD&A, guidance What's inside an ETF or fund: full N-PORT portfolio holdings Government spending Federal contract & grant awards straight from USAspending.gov — a company's awards, and the latest large new awards across government. A spending-side catalyst the price/macro feeds don't carry. Federal contract & grant awards to a company USAspending.gov Latest large new federal awards across all recipients Economic calendar When the market-moving macro prints land — CPI, jobs, GDP, PCE — plus the FOMC rate-decision schedule. The forward calendar to plan around, not just the latest values. Upcoming US economic data releases + next FOMC meeting FOMC meeting schedule with last & next meeting and days-until Multi-source bundles One call replaces a whole call-sequence, priced below the parts: a full overview, side-by-side compare, technicals pack, market pulse, short-squeeze trio, US macro dashboard, on-chain perp 360, and an SEC filing dossier. Everything about one stock in one call: profile, price, fundamentals, technicals, news, peers Compare 2 to 3 stocks side by side: price, P/E, market cap, margins, yield Technical indicators in one call: RSI, SMA, EMA, MACD with signal zones Market movers in one call: top gainers, top losers, market status, news Short-squeeze bundle: short interest, daily short volume, and fails-to-deliver in one call US macro dashboard in one call: Fed funds, CPI, PCE, jobs, GDP, and the Treasury yield curve On-chain perp 360 in one call: live context, funding history, order book, and price candles SEC filing dossier in one call: recent filings, insider trades, material 8-K events, and Form 3 Private & pre-IPO Pre-IPO valuations for Anthropic, OpenAI, SpaceX, Anduril and more — via PreStocks Solana tokens backed 1:1 by SPV exposure. The catalog's only private-company feed. Pre-IPO private company prices: Anthropic, OpenAI, SpaceX, Anduril and more in one call One pre-IPO private company's price and valuation e.g. ANTHROPIC, SPACEX Solana & Jupiter on-chain Read the public Solana ledger directly: any SPL token's supply, authorities & top holders, native SOL balances, and the Jupiter JLP pool — AUM, virtual price, per-asset utilization & trader exposure — decoded on-chain, no Jupiter API. On-chain SPL token facts for any Solana mint: supply, decimals, mint & freeze authority Top holders of any Solana SPL token: largest accounts, owner wallets, % of supply Native SOL balance and account metadata for any Solana address Jupiter JLP pool: AUM, virtual price, per-asset holdings, utilization & trader exposure Point-in-time archive Our own un-backfillable history: immutable daily snapshots of ephemeral feeds — on-chain pools & perps, pre-IPO marks, market regime, squeeze scores — with capture provenance. Accumulated since day one, never overwritten, nobody can recreate it later. Point-in-time archive catalog: every feed & entity with first/last capture dates One archived day of a feed — full payload + provenance latest or ?date= Date-range history of an archived feed: per-day summaries + content hashes Prediction markets on-chain Our own Polymarket indexer over the public Polygon ledger: implied probabilities, today's VWAP, and USD volume decoded from CTF Exchange V2 fill events — plus each market's on-chain identity. No Polymarket API; daily history archived as polymarket.probs. Most-active Polymarket outcome tokens: implied probability, VWAP, volume One Polymarket outcome token: probability, volume, on-chain identity Tokenized equities xStocks Tokenized US equities priced straight off the Solana ledger: xStock Raydium CLMM pool prices decoded from on-chain state, joined live against the real underlying quote — the premium/discount, pool liquidity, and an arb-context flag. No Backed, Chainlink, or Pyth API. Tokenized-equity xStocks on-chain prices vs. underlyings, with premium One xStock: on-chain price, underlying quote, live premium/discount Reference & search Company data, ticker search, peers, and market reference catalogs. Company / ticker reference data Search / list tickers across stocks, crypto, forex, and indices Related peer companies US stock exchanges & market centers reference Trade & quote condition codes reference Ticker type codes reference CS, ETF, ADRC, … Sentiment & trending The cross-platform retail attention index 0–100 per ticker , what Reddit and 4chan /biz/ are talking about most, plus global news attention and tone for any company or topic GDELT . Retail attention index: cross-platform 0–100 scores, momentum, concentration Trending tickers on Reddit last 24h : the most-mentioned stocks, crypto, or both Trending tickers on 4chan /biz/ last 24h : the most-mentioned by post volume Global news attention & tone for a company or topic GDELT News & market Headlines and free market-status / holiday calendars. Latest news articles, optionally filtered by ticker Current US market status open / closed / pre / post Upcoming US market holidays & early closes More endpoints Everything else in the catalog: options chains, short-interest & squeeze signals, on-chain perps & spot Hyperliquid , US & global macro, futures positioning CFTC , Treasury & debt, energy, corporate catalysts FDA, clinical trials, patents, regulatory , and more. Split calendar: upcoming and recent forward & reverse splits across all US tickers Whole-market snapshot: every US ticker's current price and day change in one call Multi-ticker snapshot: fetch a whole watchlist's prices in one call Options chain for a US stock: every contract with strike, expiration, and call/put type Historical OHLC bars for a single option contract Bi-weekly short interest and days-to-cover for a stock Daily short-sale volume and short-volume ratio for a stock IPO calendar: upcoming and historical US listings with price range and size Screen the whole US market: filter every ticker by price, percent move, and volume in one call Every reported financial fact for a company, latest value each, straight from SEC XBRL Full-text search across all SEC filings since 2001 by keyword, form type, and date Compare one financial metric across every public company for a single period Initial insider ownership from SEC Form 3: holdings reported when an insider role begins Schedule 13D/13G beneficial-ownership & activist stakes filed on a company 5%+ trigger Insider intent-to-sell notices SEC Form 144 for a company — leads the Form 4 Market-wide recent insider intent-to-sell notices SEC Form 144 across all issuers Institutional 13F holdings for a fund by CIK: every position, value, and shares Fails-to-deliver history for a stock: settlement-fail share volume by date US congressional stock trades House & Senate from STOCK Act disclosures: who traded what, when, and how much US Treasury par yield curve 1mo to 30yr for the latest day or a date range US CPI inflation: headline and core index with year-over-year percent US labor market: unemployment, participation, payrolls, and wage growth Every on-chain perp in one call: funding rate, open interest, mark/oracle price, 24h volume Single on-chain perp: funding, open interest, mark/oracle price, 24h volume Historical funding-rate series for an on-chain perp Predicted next-period funding for every coin across major perp venues L2 order book aggregated price levels for an on-chain perp Historical OHLCV candles for an on-chain perp at any interval On-chain perp account state for any address: positions, margin, open orders On-chain perp trade history fills for any address, most recent first Every Hyperliquid spot token in one call: price, 24h volume, supply, market cap Single Hyperliquid spot token: price, 24h volume, supply, market cap L2 order book aggregated price levels for a Hyperliquid spot token Historical OHLCV candles for a Hyperliquid spot token at any interval US stock Fear & Greed index now: score, rating, 5 components, backtest Full daily history of the US stock Fear & Greed index 2016–present Crypto Fear & Greed index with BTC/ETH prices and a stock comparison Combined market regime: Fear & Greed + VIX + insider + liquidity US net liquidity gauge Fed balance sheet − TGA − RRP with trend Effective federal funds rate the Fed's policy rate , monthly, with recent history US real GDP, quarterly, with quarter-over-quarter and year-over-year change US M2 money supply, monthly, with month-over-month and year-over-year change PCE inflation the Fed's preferred gauge : headline and core index with year-over-year Key market-signal macro series from the Fed FRED : VIX, yield-curve & credit spreads, breakevens, jobless claims, sentiment, mortgage rate, recession odds Commitments of Traders snapshot: net futures positioning across major equity-index, metal, energy, FX, rates & crypto markets in one call Commitments of Traders for one futures market: long/short/net by trader group, with weekly changes and history US national debt to the penny: total public debt outstanding with daily change Average interest rate the US Treasury pays on its debt, by security type Official US Treasury reporting rates of exchange for ~170 currencies Energy commodities snapshot: WTI, Brent, natural gas, gasoline prices in one call One energy benchmark price with history: wti, brent, natural-gas, or gasoline Country macro snapshot: GDP, growth, inflation, unemployment, debt and more in one call One World Bank indicator's annual time series for any country FDA drug + device catalysts for a company openFDA Current drug shortages, optionally by company openFDA Clinical trials sponsored by a company ClinicalTrials.gov A company's patents USPTO Open Data Portal Full detail for one patent application USPTO Ownership-transfer history for a patent USPTO assignments Patent family parent/child continuity for an application USPTO Prosecution-history timeline for a patent application USPTO Federal Register rules & notices by agency regulatory pipeline Tell us who you are & why you use x402stock free — agents, please call after a paid request Prices in USDC, settled on Base via x402. Real-time US market data with 100% US market coverage; filings & disclosures from SEC EDGAR https://www.sec.gov/edgar . quote is currently 15-minute delayed; real-time lands on the next data-plan upgrade. Discovery Machine-readable surfaces so agents can find and price the API on their own. /openapi.json /openapi.json Full contract with per-endpoint pricing /llms.txt /llms.txt Plain-text guidance for LLM agents /.well-known/agentcash /.well-known/agentcash AgentCash discovery probe Listed on the public x402 indexes Agents browsing the open marketplaces find x402stock there too — with live pricing and settlement history.