Discover / x402stock.xyz

x402stock

■ Challenge detected

The average interest rate the US Treasury currently pays on its outstanding debt, broken out by security (Treasury Bills, Notes, Bonds, TIPS, FRNs, savings, and the marketable/total aggregates) for the latest reported month, in percent. No ticker needed. A read on the government's cost of borrowing that complements the /treasury-yields curve. Sourced from the US Treasury (FiscalData).

Listed price
$0.01
Challenge detected
10 of the last 10 checks
Median response
170 ms
Last checked
16 Oct, 23:40 UTC
In our index since
26 Sept 2026

Endpoint

curl -i https://x402stock.xyz/api/v1/avg-interest-rates
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.
63 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://x402stock.xyz/api/v1

  • GET/xstocks$0.04Use 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
  • GET/private-stocks$0.02Live 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
  • GET/fda$0.03FDA catalysts for a pharma/biotech/medtech company, from openFDA. Pass `?company=Medtronic` (required) plus `?limit=` (max 50). Returns `drug` (recalls + approvals) and `device` (510(k) clearances, PMA approvals, recalls) sections, each with recent items, match totals, and official FDA links. One call across 5 FDA datasets. From x402stock, a market & economic data API (x402, USDC).
  • GET/exchanges$0.01Reference list of US equity exchanges and market centers with names, MICs, operating MICs, and SIP participant IDs. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.
  • GET/fear-greed/regime$0.02The combined market regime — one read fusing the stock Fear & Greed score and velocity, VIX, insider-buying sentiment, and net liquidity into a named regime (e.g. Mixed Signals) with severity and a suggested stance, plus how the S&P 500 historically performed after similar regimes (forward 5/22-day and 1/3-month returns and win rates). From x402stock, a market & economic data API (x402, USDC).
  • GET/losers$0.02The day's biggest percentage losers across US equities, with current and previous-day OHLCV per ticker. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.
  • GET/news$0.02Curated stock-market news with ticker tags, source, publisher, image, and timestamps. Pass `?ticker=AAPL` to filter. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.
  • GET/gov-contracts$0.02Federal contract and grant awards to a US company, from USAspending.gov. Pass `?recipient=Lockheed Martin` (required, fuzzy name match) plus optional `?award_type=contracts|grants|all`, `?order=amount|date`, `?limit=` (max 50). Each award carries the award id, amount, awarding agency, period of performance, description, and a usaspending.gov link, with a total. A government-spending catalyst.
  • GET/fear-greed/history$0.02The full daily history of the US stock Fear & Greed index from 2016 to today, each point a date and 0–100 score. Pass `?days=N` to return only the most recent N days (default: full series). Use for charting sentiment regimes and backtesting against price. Companion to /api/v1/fear-greed (current reading). From x402stock, a market & economic data API (x402, USDC).
  • GET/labor-market$0.02US labor-market headline indicators from the Bureau of Labor Statistics: the unemployment rate, labor force participation rate, total nonfarm payrolls, and average hourly earnings, each with its latest value and change from the prior month. No ticker needed. Sourced from US BLS. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.
  • GET/fda/shortages$0.02Current and resolved US drug shortages from openFDA, newest update first. Optional `?company=Pfizer` narrows to one manufacturer (omit for market-wide); `?limit=` (max 100). Each carries the generic name, company, status, therapeutic category, dosage form, presentation, posting/update dates, and reason. A supply-side catalyst for generic makers. From x402stock
  • GET/unified-snapshot$0.02Snapshot 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).
  • GET/avg-interest-rates$0.01The average interest rate the US Treasury currently pays on its outstanding debt, broken out by security (Treasury Bills, Notes, Bonds, TIPS, FRNs, savings, and the marketable/total aggregates) for the latest reported month, in percent. No ticker needed. A read on the government's cost of borrowing that complements the /treasury-yields curve. Sourced from the US Treasury (FiscalData).
  • GET/gdp$0.01US real Gross Domestic Product, quarterly, in billions of chained 2017 dollars (seasonally adjusted annual rate), with the latest reading, prior quarter, quarter-over-quarter and year-over-year change, and recent history. No ticker needed. The broad measure of economic output for macro-aware analysis. Sourced from the St. Louis Fed (FRED). From x402stock
  • GET/prediction-markets$0.03Use 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).
  • GET/fed-funds$0.01The effective federal funds rate — the Fed's benchmark policy rate that anchors every other US interest rate — as a monthly average in percent, with the latest value, prior month, month-over-month and year-over-year change, and recent history. No ticker needed. The rate every rate-sensitive analysis starts from. Sourced from the St. Louis Fed (FRED). From x402stock
  • GET/fear-greed/liquidity$0.01US net liquidity (Fed balance sheet minus Treasury General Account minus reverse repo) as a 0–100 percentile with its label and 4-week trend, broken into its FRED components (WALCL, TGA, RRP, M2) plus ~52 weeks of history. A macro-liquidity gauge for risk appetite. Complements the /api/v1/fed-funds and other FRED macro endpoints. From x402stock, a market & economic data API (x402, USDC).
  • GET/perps/predicted-funding$0.02Predicted 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).
  • GET/compare$0.05Compare 2 to 3 US-listed stocks side by side (peer or watchlist comparisons). Pass a comma-separated list via `?tickers=AAPL,MSFT,NVDA` (1 to 3 symbols). Returns price and day change, market cap, P/E, EPS, revenue, gross and net margins, and dividend yield per ticker. Built for multiple stocks — for a single stock, `/api/v1/quote/{ticker}` is cheaper. From x402stock
  • GET/ipos$0.02Upcoming and historical US IPOs: issuer name, ticker, announced and listing dates, offer price range and final price, shares offered, total deal size, exchange, and status. Filter by `?ipo_status=pending|new|history|rumor`, `?ticker=`, and `?limit=`. Use to track the new-issue calendar and recently priced deals. From x402stock, a market & economic data API (x402, USDC).
  • GET/perps$0.02Live 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
  • GET/full-market-snapshot$0.04Current state of every US-listed ticker in a single call: price, day change and percent change, volume, and VWAP per symbol. The base layer for building a screener or scanning the whole market without iterating ticker by ticker. Optional `?tickers=AAPL,MSFT` to narrow and `?include_otc=true` to add OTC names. From x402stock, a market & economic data API (x402, USDC).
  • GET/solana/jlp$0.02Jupiter'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
  • GET/inflation$0.02US consumer price inflation from the Bureau of Labor Statistics: the latest headline CPI-U and core (ex food and energy) index levels with year-over-year percent change, plus recent monthly history. No ticker needed. Use for macro-aware analysis without leaving for a separate data source. Sourced from US BLS. From x402stock, a market & economic data API (x402, USDC).
  • GET/energy$0.02Every energy benchmark in one call: WTI and Brent crude oil spot, Henry Hub natural gas spot, and US regular retail gasoline — each with its latest price, prior reading, and change. The catalog's commodities feed (no equity/forex/crypto endpoint carries these). For one benchmark with history use /api/v1/energy/{product}. Source: U.S. Energy Information Administration (EIA). From x402stock

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 25 of 63 listed endpoints. Next endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/x402stock.xyz

Recent checks

27 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.16 Oct 2026
All 10 checks
When (UTC)ResultHTTPResponse
16 Oct, 23:40 UTCChallenge detected402765ms
15 Oct, 19:10 UTCChallenge detected402188ms
14 Oct, 12:00 UTCChallenge detected402401ms
12 Oct, 06:05 UTCChallenge detected402125ms
10 Oct, 15:44 UTCChallenge detected402179ms
9 Oct, 12:40 UTCChallenge detected402143ms
8 Oct, 09:33 UTCChallenge detected402160ms
7 Oct, 09:33 UTCChallenge detected402116ms
6 Oct, 09:33 UTCChallenge detected402192ms
27 Sept, 05:02 UTCChallenge detected402141ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 23:40 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for x402stock?

Its listed price is $0.01.

What payment terms does x402stock advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is x402stock listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.

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