US PCE (Personal Consumption Expenditures) price inflation — the Fed's preferred inflation gauge — with the latest headline and core (ex food and energy) index levels, each with year-over-year percent change, plus recent monthly history. No ticker needed. Complements the CPI endpoint with the measure the Fed actually targets. Sourced from the St. Louis Fed (FRED). From x402stock

Live state of every perpetual-futures market in one call: per coin the mark and oracle price, hourly funding rate with annualized APR, premium, open interest, max leverage, previous-day price, and 24h USD and base volume. Native crypto-derivatives data — funding and open interest are perp-only, absent from any spot feed. Free on-chain DEX data (venue: Hyperliquid), no key. From x402stock

Predicted next-period funding rate for each coin across venues — on-chain plus centralized perp venues (Hyperliquid, Binance, Bybit) — each with the funding interval and next funding time. A cross-exchange funding-arbitrage signal in one call: compare where a coin's funding is richest or cheapest. Free on-chain DEX data, no key. From x402stock, a market & economic data API (x402, USDC).

Risk x-ray for a whole watchlist or portfolio in one call. Pass `?tickers=AAPL,MSFT,NVDA` (up to 25; optional `?weights=`). Returns per-holding price, sector and cap, plus portfolio concentration (top-weight, Herfindahl, diversification score), sector concentration, market-cap distribution, weighted day performance and risk flags. Replaces dozens of per-holding calls. From x402stock

Use to see where prediction-market money is flowing: the most recently traded Polymarket outcome tokens with implied probability (last on-chain price), today's VWAP and USD volume, and indexed totals — decoded by our own indexer from CTF Exchange V2 events on the public Polygon ledger, not from any Polymarket API. `?limit=` up to 100. From x402stock, a market & economic data API (x402, USDC).

Live valuations for private, pre-IPO companies — Anthropic, OpenAI, SpaceX, Anduril, Neuralink, Kalshi, Polymarket — in one call, via PreStocks Solana tokens backed 1:1 by SPV exposure. Per company: mark price and valuation, on-chain token price and implied valuation, the token's premium/discount, supply, and contract. The catalog's only pre-IPO feed. From x402stock

Proposed/final rules and notices from a federal agency — the regulatory pipeline that reprices sectors. Pass `?agency=securities-and-exchange-commission` (slug) and/or `?q=` (at least one), plus `?type=all|rule|proposed|notice` and `?limit=` (max 100). Each doc has number, type, title, abstract, dates, agencies, and a link. From x402stock, a market & economic data API (x402, USDC).

Scans the whole US market on one factor and returns a finished ranked-table PNG, not just JSON rows. Ranks every liquid ticker by a transparent 0–100 score (rank, ticker, price, % change, volume, score). Tune ?factor=active|momentum|volume, ?min_price=, ?max_price=, ?min_volume=, ?limit= (max 20). Returns the ranked results plus a hosted `artifact.png_url`. From x402stock

Screen the entire US stock market in one call. Filter every listed ticker by price range, percent change, and minimum volume, then sort by percent move, price, or volume. Tune with ?min_price=, ?max_price=, ?min_change_percent=, ?max_change_percent=, ?min_volume=, ?sort=, ?order=, ?limit=. Built for agents scanning for setups without iterating ticker by ticker. From x402stock

Describe a screen in plain English via `?q=` (e.g. 'oversold large caps up today on high volume'). An LLM parses it into a filter, screens the entire US market, optionally confirms oversold/overbought with RSI, and returns a ranked shortlist with a one-line rationale per name. No need to know the filter schema or run the enrichment loop yourself. From x402stock

Jupiter's JLP liquidity pool, decoded from the Perpetuals program's on-chain accounts (not the Jupiter API): AUM (USD), JLP supply and virtual price (AUM ÷ supply), pool-wide long/short trader exposure, and each asset (SOL, ETH, WBTC, USDC, USDT) with holdings, owned/locked, utilization %, and long/short USD. Keyless public-chain data, no Jupiter API. From x402stock

Market-wide split calendar across all US tickers (no ticker needed). Each row has the ticker, execution date, direction (`forward`/`reverse`), split_from/split_to, numeric `ratio`, and a human `ratio_text` like `10:1` or `1:8`. Future-dated announced splits sort first. Filter `?type=forward|reverse|all`, `?from=`/`?to=` date window, `?order=`, `?limit=`. From x402stock

Live on-chain spot prices for every token on the Hyperliquid DEX (HYPE, PURR, and hundreds more), quoted in USDC: mid/mark price, previous-day price, 24h USD and base volume, circulating and total supply, and market cap — sorted by 24h volume. Spot, not derivatives: for funding/open interest use /api/v1/perps; for major-coin fiat prices use /api/v1/crypto. From x402stock

Reference list of security type codes used in ticker reference data (e.g. CS = Common Stock, ETF, PFD, WARRANT) with descriptions. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

Find tickers by free-text `?search=` (name or symbol) across asset classes via `?market=stocks|crypto|fx|indices` (default stocks), with optional `?type=`, `?exchange=`, `?active=`, `?limit=`. Returns symbol, name, market, exchange, type, and identifiers. Use to discover crypto pairs (X:BTCUSD), FX pairs (C:EURUSD), and index symbols (I:SPX). From x402stock

The daily US Treasury par yield curve (Constant Maturity Treasury rates) for every maturity from 1 month to 30 years, in percent. Defaults to the latest published day; pass `?limit=` for more recent days (max 250) and `?year=YYYY`. No ticker needed. Use for the risk-free rate, rate-sensitivity context, and yield-curve inversion in macro-aware analysis. From x402stock

Use for one call answering 'where is retail attention right now': a deterministic 0–100 attention score per ticker blending Reddit finance-community and 4chan /biz/ mention shares (24h window), with momentum, cross-platform confirmation, breadth & concentration (HHI), and Fear & Greed context. Transparent — every row carries its raw per-platform inputs. From x402stock

What tickers 4chan's finance board (/biz/) is buzzing about most over the last 24h, ranked by mention volume. Each ticker carries its mention count and 24h change in rank and mentions (4chan has no upvotes, so upvotes is always 0). No ticker needed; ?page= to paginate (100 per page). A raw read of /biz/ chatter, separate from the Reddit feed. From x402stock

What stocks and crypto Reddit is talking about most over the last 24h, by mention volume across the busiest Reddit money subreddits (r/wallstreetbets, r/stocks, r/CryptoCurrency, r/Bitcoin, etc.). Each ticker carries mentions, upvotes, and 24h change in rank and mentions; covered subreddits are listed per response. ?filter=stocks|crypto|all (default all), ?page=. From x402stock

Snapshot a list of US-listed tickers at once: for each symbol, the company name, market session, current price, day change and percent change, day OHLCV with VWAP, and previous close. Pass a comma-separated list via `?tickers=AAPL,MSFT,NVDA` (up to 250). Built for pricing a watchlist or portfolio in a single request. From x402stock, a market & economic data API (x402, USDC).

Use for a one-call macro view of the x402 economy: how many indexed services are live, total/paid/free resources, the USD price distribution (min/p25/median/p75/max), and resource counts by network and category, with a per-service breakdown. The daily history of this index accumulates in the point-in-time archive as feed x402.catalogs. From x402stock, a market & economic data API (x402, USDC).

Use to survey the x402 machine-payments economy: x402stock crawls the public /.well-known/x402 catalogs of known x402 resource servers and returns one row per service — reachability, resource counts, paid/free split, USD price min/median/max, networks, and categories. Drill into one service via /x402/service/{host}; cross-service aggregates at /x402/economy. From x402stock

Use to monitor tokenized US equities (xStocks) against their real underlyings: every tracked xStock's on-chain price decoded from Raydium CLMM pool state on the public Solana ledger (no Backed/Chainlink/Pyth API), the underlying's live quote, and the premium/discount percent — plus pool liquidity, scaled-UI multiplier, and a us_market_open arb-context flag. From x402stock