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Sector rotation scores — which sectors are strong right now? One read returns every S&P 500 sector ETF (XLK, XLF, XLV, XLE, XLI and the rest) scored 0-100 with percentile, green/yellow/red light and entry state, plus which sectors each book's regime currently calls green. Spot leadership rotation top-down without scanning 500 single names. Refreshed ~5 min in market hours, timestamped. Research, not advice.

Header-level detail for one block on Ethereum, Base, Polygon, Arbitrum, or Optimism: hash, timestamp (unix + ISO), transaction count, gas used/limit, base fee. Pass a block number, 0x hex, or "latest". Keyless multi-endpoint failover.

Global US House Periodic Transaction Report activity for stock-backed trades. Supports overview, latest disclosures, focused buys/sells, active tickers, active members, days, view, and limit.

+2 more from x402.smartmoney.market

Token-efficient web reader: URL in, clean deduplicated article markdown out, with token count header. Boilerplate, nav, ads stripped — typically 10-30x fewer tokens than raw HTML. For AI agents that pay per token.

+1 more from x402.onlybots.shop

Recent crypto headlines aggregated from the public feeds of major outlets, deduplicated and newest first, each with title, source, publish time, canonical URL and a short summary, filterable by keyword, source and time window. Use it when an agent needs what happened in the last hours rather than what a model was trained on.

Convert Gregorian dates to Hijri (Umm al-Qura calendar) and back. Returns day/month/year, Arabic and English month names, and a formatted Arabic date string. Essential for agents handling Islamic events, Ramadan, Hajj seasons, or Arabic documents.

Transcribe audio to text with the gpt-transcribe model. Provide a URL to an audio file (mp3, wav, m4a, etc.) and get back the transcript. Add diarize:true for speaker labels, word timestamps and a language confidence score (the scribe-v2 model, same price). No API key needed; pay per call via x402. Max 4 minutes of audio, 25 MB file size; /api/transcribe-pro takes the same models to 10 minutes.

Recent news relevant to prediction markets within a publish-date window.

+7 more from api.predictionmarketdata.io

Crypto Fear & Greed Index: current reading (0-100, Extreme Fear to Extreme Greed) plus 7-day and 30-day sentiment trend (rising/falling/flat with the average and point change), not just a single snapshot number. Not ticker-specific. Data from alternative.me. $0.01/call.

Healthcare text de-identification engine (demo endpoint — SYNTHETIC/TEST DATA ONLY, never send real PHI; nothing is stored). Strips names, DOBs, member/claim IDs, phones, emails, addresses, SSNs; dates become a derived interval timeline (service-to-denial days, days-ago) so denial and timely-filing math survives de-identification. Returns scrubbed text + token map for local re-identification. Production use requires the licensed in-environment engine: contact [email protected]

UUIDs on demand: version 4 (random) or version 7 (time-ordered, sortable), up to 100 per call. Use it when an agent needs identifiers for records, requests or files, or a sub-cent call to test an x402 client end to end before buying anything larger.

Search Obelisk's curated spy ad catalog when you need competitor creative examples by keyword, brand, or platform. Returns JSON ad cards. Use limit=1 for a cheap first call.

Hiring signals of a company: open jobs read from its public ATS board (Greenhouse, Lever, Ashby, SmartRecruiters, Recruitee, Personio, Workable, Teamtailor, Workday), summarized as buying signals (volume, last 30 days, functions hiring, seniority mix, leadership roles); each job carries its function and seniority (intern to c-level). From a domain, a French SIREN or a company name. Chain with /api/decision-makers to get who to contact. Charged only if open jobs are found.

+10 more from Resolve402

Complete weather bundle in one call: current conditions (temperature, feels-like, humidity, wind speed/direction/gusts, pressure, cloud cover, precipitation, UV, day/night) plus 24-hour hourly and 7-day daily forecast, air quality (AQI, PM2.5, PM10, ozone), solar radiation, and severe-weather alerts. Query by city name or lat/lon. Times in the location local timezone. Most complete weather data per call.

+8 more from TBS Weather & Climate API

IP lookup and geolocation: resolve any public IPv4 or IPv6 address to location and network data from a local database (no third-party call, answers in milliseconds): country, country_code, region, city, lat/lon, IANA timezone, continent, is_eu, ASN with organization (isp, org, asn). Use for fraud and bot checks, geo-routing, analytics, or tagging traffic. Invalid, private and reserved addresses are rejected for free. Params: ip (defaults to the caller's IP).

Most shorted European stocks: issuers ranked by disclosed net short interest (hedge fund positions of 0.5%+ of capital published by the French AMF), with 30-day change, funds short and largest holder. Use to find crowded shorts in Europe.

Keenable page fetch for AI agents: the page at a URL as clean markdown with title and description. Pay per request, no API key.

+1 more from Keenable

Paid AI-agent access to Blockchain.com Explorer API

+54 more from Blockchain.info API

Crypto market regime: bullish, bearish or mixed, with breadth, average buy pressure, average momentum and the leading assets. Use to set risk posture.

Current weather and a 3-day forecast for any city or lat/lon - temperature, humidity, wind, conditions. No account, no API key. Try GET /weather/sample.

Cost-optimised endpoint selection: name a capability (web search, token safety, enrichment) and get the x402 endpoints that provide it ranked cheapest-first in USDC per call, with adoption stats. Refreshed daily from the Bazaar discovery index. The corpus is the most-used slice of the Bazaar, so read `price_floor_complete` and `corpus.cutoff` for whether the price floor you get is the Bazaar's or only ours — both are free on the catalog listing.

+9 more from datastand.dev

Node4All Fortune — deterministic fortune reading derived from the x402 payment authorization nonce. Flagship demo of the Node4All x402 v2 payment flow. Operator: Node4All (https://node4all.com). Currency: USDC on Base.

+1 more from api.node4all.com

Monitor recent official Israeli company-registry changes for an exact nine-digit company number. Returns filing and status-change events newest first, with dates, deterministic categories, source URLs, and checked_at. Use for counterparty monitoring, supplier due diligence, onboarding refreshes, corporate-event alerts, and registry change detection. Coverage is approximately one year.

Fetch a URL and return clean, token-efficient markdown

ShieldAPI - x402 security preflight before agents accept or store credential material

+2 more from shield.vainplex.dev

What a vehicle fault code means, with source-attributed generic and make-specific definitions and any disagreement between sources stated.

International phone number validation and normalization (libphonenumber): validity, country, E.164, national/international formats and line type.

+20 more from api.aventtech.com

All 30 NBA teams with ID, city, abbreviation, conference, and division. Use team IDs to query schedules and standings.

+28 more from fanfare.run

Tip amount, total, and per-person split for a restaurant bill.

+1 more from x402toll.com

Current weather for any city. Pass ?city=London

+3 more from api.ideafactorylab.org