Discover / x402stock.xyz
x402stock
■ Challenge detectedThe 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:
- GET/macro$0.05The US macro backdrop in one call: the federal funds rate, CPI and PCE inflation, the labor market (unemployment, payrolls, wages), real GDP, and the Treasury yield curve. No ticker needed. Replaces six macro calls (fed-funds + inflation + pce + labor-market + gdp + treasury-yields) at a lower combined price. Spans FRED, BLS, Treasury; sections degrade independently. From x402stock
- GET/patents$0.02A company's US patents from the USPTO Open Data Portal, newest filings first. Pass `?company=Tesla` (required, matches APPLICANT name — subsidiaries/variants need separate queries) plus `?limit=` (max 100). Each carries patent & application numbers, title, filing & grant dates, status, applicant, inventors, and a link. From x402stock, a market & economic data API (x402, USDC).
- GET/ticker-types$0.01Reference 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.
- GET/congress-trades$0.03Recent stock trades disclosed by US members of Congress under the STOCK Act, parsed live from official House and Senate Periodic Transaction Reports: per trade the member, chamber, ticker, asset, buy/sell type, date, and disclosed dollar range. ?chamber=house|senate|both, ?ticker=AAPL, ?limit= recent filings per chamber (max 20). From US House & Senate. From x402stock
- GET/conditions$0.01Reference catalog of trade/quote condition codes (the numeric `conditions` seen on trades) with names, types, data types, and SIP mappings. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.
- GET/portfolio
/xray$0.25Risk 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 - GET/spot$0.02Live 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
- GET/pce$0.02US 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
- GET/cot$0.02The weekly CFTC Commitments of Traders positioning across major futures markets in one call: for each market the open interest, non-commercial (large speculator) net position and weekly change, and commercial (hedger) net position. Covers equity indices, gold/silver, crude/natural gas, major FX, the 10-year note, and bitcoin. No ticker needed. Sourced from the US CFTC. From x402stock
- GET/clinical-trials$0.02Clinical trials run by a company, from ClinicalTrials.gov, newest first. Pass `?sponsor=Vertex Pharmaceuticals` (required) plus `?limit=` (max 100). Each trial carries NCT id, title, status, phase(s), study type, conditions, enrollment, lead sponsor, and start/completion/update dates with a link. A primary biotech catalyst. From x402stock, a market & economic data API (x402, USDC).
- GET/gainers$0.02The day's biggest percentage gainers 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/splits-calendar$0.02Market-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
- GET/trending$0.04Use 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
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Showing 13 of 63 listed endpoints. First endpoints
Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/x402stock.xyz
Recent checks
All 10 checks
| When (UTC) | Result | HTTP | Response |
|---|---|---|---|
| 16 Oct, 23:40 UTC | Challenge detected | 402 | 765ms |
| 15 Oct, 19:10 UTC | Challenge detected | 402 | 188ms |
| 14 Oct, 12:00 UTC | Challenge detected | 402 | 401ms |
| 12 Oct, 06:05 UTC | Challenge detected | 402 | 125ms |
| 10 Oct, 15:44 UTC | Challenge detected | 402 | 179ms |
| 9 Oct, 12:40 UTC | Challenge detected | 402 | 143ms |
| 8 Oct, 09:33 UTC | Challenge detected | 402 | 160ms |
| 7 Oct, 09:33 UTC | Challenge detected | 402 | 116ms |
| 6 Oct, 09:33 UTC | Challenge detected | 402 | 192ms |
| 27 Sept, 05:02 UTC | Challenge detected | 402 | 141ms |
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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