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X402pulse

LIVE ON-CHAINBase

Polymarket whale trades: the largest recent buys and sells across all markets above a size you choose, with trader name, outcome, price and USD size. 5- and 15-minute crypto markets filtered out. Pair with /v1/wallet to check whether a whale is any good.

x402pulse.dev
Website
85
Trust
100%
Uptime
223 ms
Latency
$85.73*
Volume (30d)

Overview

Protocolx402
Provider—
Payment assetUSD Coin
Networkbase
Categoryprediction-markets
Sourcebazaar

Health

StatusOperational
Uptime (window)100%
Success rate—
Confidence91%
Quotes (14d)25
Last checked10/19/2026, 12:44:12 AM
Latency (quote)223ms
Price / call2800
Uptime (daily)100%

Metrics by window

WindowTrustUptimeSuccessp50p95PriceData
Last hour87100%———$0.014Low
Last 24h85100%———$0.014Low
Last 7 days84100%———$0.0175Low

Endpoints (37)

Schema API (all endpoints) ↗

Trust score is global for the provider. Latency, price and uptime are measured per endpoint (last 24h). Click a column to sort.

Endpoint
GET/v1/pro/pass
x402Pulse Pro: a 30-day pass for $13 USDC that returns an API key for unlimited calls (fair use: 120 a minute, 20,000 a day) to every x402Pulse endpoint, plus an MCP server for Claude Code, Cursor and Claude Desktop. Pass ?renew=<key> to extend a key. The key is shown once.
——$13
GET/v1/wallstreet/morning-brief
x402Pulse
——$0.35
GET/v1/wallstreet/company-brief
Company brief from SEC filings in one call: latest-quarter and trailing-year financials with margins and growth, insider buying and selling over 90 days (open-market vs. pre-planned 10b5-1 trades, cluster-buy detection), material events from 8-K filings decoded into plain words, new 5%+ and activist stakes, and a plain-language summary. Any U.S.-listed ticker. Data, not investment advice.
——$0.08
GET/v1/wallstreet/insider-trades
Insider trades decoded from SEC Form 4 filings: who traded (name, role, title), buy or sell, shares, price, dollar value, holdings afterwards, and whether the trade was pre-planned under a 10b5-1 plan, plus totals and cluster-buy detection. Data, not investment advice.
—362 ms$0.0525
GET/v1/travel/trip-check
Trip check: one call rates the delay risk (low, moderate, high) for a flight between two airports on a date, with plain-language reasons. Combines live FAA delays and ground stops, current airport weather and airport forecasts for both ends, the destination's State Department travel advisory, and the currency exchange rate for international trips. Any airport worldwide by IATA code, e.g. SFO to LHR. Not for flight planning.
——$0.03
GET/v1/health/drug-safety
FDA drug safety snapshot for any drug (brand or generic name): total adverse event reports, share serious and fatal, most-reported side effects and the quarterly report trend from FDA FAERS. Reports are not proof of causation. Data, not medical advice.
—822 ms$0.0175
GET/v1/travel/airport-forecast
Airport weather forecast decoded: the next 24 to 30 hours at any airport worldwide, broken into periods with wind, gusts, visibility, cloud ceiling, flight category and a delay-risk rating, flagging when low clouds, storms, snow or strong gusts are expected. Not for flight planning.
—160 ms$0.0175
GET/v1/travel/airport-status
Airport status right now: live FAA delays, ground stops, ground delay programs and closures (restrictions that only affect private aircraft are labeled as such), plus current weather in plain words and a delay-risk rating. FAA data covers U.S. airports; weather covers airports worldwide. Not for flight planning.
—185 ms$0.0175
GET/v1/top-traders
Polymarket leaderboard re-ranked by skill, not size: top traders by edge over the odds paid, return and consistency, for day, week, month or all time, optionally per category (sports, politics, crypto, economy). Exposes big-volume losers the profit leaderboard hides.
—738 ms$0.014
GET/v1/health/recalls
FDA drug recalls and food recalls: the latest FDA enforcement reports with recall class (Class I is most serious) explained in plain language, recalling firm, product, reason, status, dates and distribution. Filter by class, company and time window. openFDA data, not medical advice.
—460 ms$0.00875
GET/v1/travel/exchange-rates
Official exchange rates: the European Central Bank's daily reference rates for about 30 currencies, converted to any base currency (USD by default). Source: ECB statistics. Reference rates, not trading rates.
——$0.00875
GET/v1/wallstreet/yield-curve
U.S. Treasury yield curve: the latest daily yields from 1 month to 30 years, the 10Y-2Y and 10Y-3M spreads, inversion flags (a closely watched recession signal) and changes vs. the previous day, a month and a year ago. Data, not investment advice.
——$0.00875
GET/v1/wallstreet/financials
Standardized company financials from SEC XBRL filings: revenue, net and operating income, diluted EPS, operating cash flow for the last 8 quarters and 5 years, plus cash, assets, liabilities, equity, debt and shares outstanding, with margins, year-over-year growth and trailing-12-month totals. Handles companies that changed reporting labels. Data, not investment advice.
——$0.005
GET/v1/disagreements
Polymarket markets where smart money disagrees with the odds: scans the 30 busiest open markets every 15 minutes and returns those where skilled traders' money implies a different probability than the price, tempered against thin evidence, with a low, medium or high confidence rating. Data, not investment advice.
——$0.004
GET/v1/attention/markets
Attention meets prediction markets: topics trending or spiking on Wikipedia matched to open Polymarket markets, each with prices and the skilled-trader lean from x402Pulse scoring. Find markets the public is suddenly paying attention to. Data, not investment advice.
——$0.003
GET/v1/attention/spikes
Attention spikes: Wikipedia articles whose views surged far above their usual level yesterday (ratio to the previous week's median), the earliest sign of breaking public interest in a person, company, event or idea. Any language. Likely automated traffic filtered. Based on Wikimedia pageview data (CC0).
——$0.003
GET/v1/health/safety-signals
Drug safety signal detection (pharmacovigilance) from FDA FAERS: side effects reported disproportionately often with a drug versus all other drugs, using the proportional reporting ratio (PRR) and chi-square with standard Evans criteria. A statistical prompt for study, not evidence of harm. Not medical advice.
——$0.003
GET/v1/oil/markets
Oil prediction markets with smart money: busy Polymarket markets about oil prices, OPEC, Strait of Hormuz and fuel, each with the skilled-trader lean (skill-weighted money vs. the market's odds) from x402Pulse scoring. Data, not trading advice.
——$0.003
GET/v1/oil/positioning
WTI crude oil positioning from the CFTC Commitments of Traders: managed money (hedge funds) long, short and net contracts, weekly change, long/short ratio, and how extreme the net position is vs. the last 3 years (percentile), plus producers, swap dealers and open interest. Data, not trading advice.
——$0.003
GET/v1/smart-money
Polymarket smart money for one market: the biggest holders on each side, each scored for skill (edge, win rate, ROI), plus which way skilled money leans and whether it agrees with the market's odds. Accepts a market link, slug or condition ID. Data, not investment advice.
——$0.003
GET/v1/health/drug-shortages
FDA drug shortages: which medicines are in shortage now, grouped by drug, with availability (unavailable or limited) per package, companies, dosage forms, shortage reasons, estimated recovery notes and posting dates. Search one drug or list current shortages. For hospitals, pharmacies and supply chains. openFDA data, not medical advice.
——$0.002
GET/v1/attention/trending
Trending topics: yesterday's most-viewed Wikipedia articles in any language, cleaned of site pages, with rank change vs. the day before, new entries, week-long regulars, and likely automated surges flagged separately. A daily read of what people are paying attention to. Based on Wikimedia pageview data (CC0).
——$0.002
GET/v1/health/drug-approvals
FDA drug approvals: which companies just won FDA approval for new drugs, generics or biologics, from Drugs@FDA. Approval date, sponsor company, NDA/ANDA/BLA type, brand and active ingredients, dosage form, review priority, and a flag for novel drugs (new molecular entities). Filter by company, days and original vs. supplemental approvals.
——$0.002
GET/v1/health/hospital
Hospital scorecard for any U.S. Medicare hospital from the Centers for Medicare & Medicaid Services (CMS, the U.S. government agency): CMS overall star rating, type, ownership, emergency services, and how it compares with the national average on mortality, safety and readmissions (measures better, same, worse), plus its rank and percentile among rated hospitals in its state. Look up by CMS facility ID or name plus state. Not medical advice.
——$0.002
GET/v1/health/hospitals
Best hospitals ranking for a U.S. state or city from Centers for Medicare & Medicaid Services (CMS) Care Compare data: ranked by CMS star rating, then net score (quality measures better than national minus worse across mortality, safety and readmissions). Filter by city, minimum stars, emergency services and hospital type (acute, critical access, children's, psychiatric). Not medical advice.
——$0.002
GET/v1/oil/inventories
U.S. oil inventories from the EIA Weekly Petroleum Status Report: commercial crude, Cushing (WTI hub), Strategic Petroleum Reserve, gasoline and distillate stocks, each with the weekly build or draw, change vs. a year ago and vs. the 5-year average for the same week. Data, not trading advice.
——$0.002
GET/v1/oil/prices
Crude oil prices: WTI and Brent daily spot prices from the U.S. Energy Information Administration (EIA), with 1-day, 1-week, 1-month and 1-year changes, 52-week range and position in it, and the Brent-WTI spread. Official daily figures, not live futures quotes. Data, not trading advice.
——$0.002
GET/v1/oil/supply
U.S. oil supply from the EIA weekly report: crude production, refinery utilization, crude imports and exports (thousand barrels per day), weekly change, 4-week average, change vs. a year ago, and net imports. Data, not trading advice.
——$0.002
GET/v1/travel/disruptions
Every current FAA disruption in U.S. airspace, ranked by severity: ground stops, ground delay programs, arrival and departure delays, airspace flow programs and real closures, with plain-language reasons. Private-aircraft-only restrictions are separated out so agents don't report them as closures. Not for flight planning.
——$0.002
GET/v1/wallstreet/events
Material corporate events from SEC 8-K filings, decoded and ranked: bankruptcies, auditor changes, restatements, executive departures, acquisitions, major agreements, earnings releases, plus new 5%+ and activist stakes, each with a link to the filing. Data, not investment advice.
——$0.002
GET/v1/travel/weather
x402Pulse
——$0.0014
GET/v1/skilled-whales
Smart-money whale trades on Polymarket: recent large trades by skilled (Solid or Sharp) traders only, each tagged with the trader's skill score, edge over the odds paid, return and specialty. Separates informed whales from big gamblers.
——$0.001
GET/v1/attention/topic
Attention history for any topic: daily Wikipedia pageviews of one article (a company, person, drug, coin or event) for 7 to 90 days, with its baseline, latest day vs. baseline, spike days and 7-day trend. Use the exact article title, e.g. Bitcoin. Based on Wikimedia pageview data (CC0).
——$0.001
GET/v1/health/drug-label
FDA drug label lookup: boxed warning, approved indications, contraindications, warnings and drug interactions for any drug, plus brand and generic names, manufacturer and route, as clean structured text from openFDA. Not medical advice.
——$0.001
GET/v1/travel/advisory
U.S. State Department travel advisories: a country's level (1 Exercise normal precautions to 4 Do not travel), summary and main risk factors, or every country at or above a level. Country by 2-letter code (MX, GB, JP) or name.
——$0.001
GET/v1/wallet
Polymarket trader scorecard for any wallet: skill score (0-100), edge over the odds paid, win rate vs. the win rate the odds implied, return (ROI), realized PnL, specialty and largest open positions. Scores the latest 200 finished bets, losses included.
——$0.001
GET/v1/whales
Polymarket whale trades: the largest recent buys and sells across all markets above a size you choose, with trader name, outcome, price and USD size. 5- and 15-minute crypto markets filtered out. Pair with /v1/wallet to check whether a whale is any good.
——$0.001

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