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Add-on, the official ruler: the band and threshold ladder published by the source agency, its classification, and distance-to-action. NOT every line has an official ruler - pure market quotes do not. When it does not, you get 422 with no_charge:true and reason:no-ruler-for-this-line and you are NOT billed. Never a bag of nulls you paid for. Every record carries an offline-recomputable record_hash.

Add-on, statistical strata: share of the last 5 years spent in each official band for this day-of-year, the percentile bands, and where the current reading falls. Backtestable, and stated as approximate. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed.

Add-on, historical placement: seasonal percentile for the current point, frequency, the percentile table, and the method and source used to compute them. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed.

US 501(c) nonprofit organization search. Lookup by 9-digit EIN (with or without hyphen), free-text name, 2-letter state, NTEE category code (e.g. 'B99' for education), or IRS subsection code (3 = 501(c)(3), 4 = 501(c)(4), etc.). Each record includes EIN, name, city/state, NTEE code, subsection code + human-readable subsection description (e.g. '501(c)(3) Charitable / Religious / Educational'), and relevance score. Sourced from ProPublica Nonprofit Explorer, which aggregates IRS Form 990 + BMF data; underlying IRS data is public domain.

Crypto funding-rate extremes screener: scans all 16 perpetual futures markets (BTC/ETH/SOL/BNB/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/TRX/BCH/ATOM/NEAR/APT). Uses z-score (30-day baseline) to identify statistically extreme funding: |z|≥2 = extreme, |z|≥3 = critical. Returns only assets clearing the threshold. Real-time from Kronos market_signals (Bybit data). Pay-per-call via x402.

Cross-chain ERC-8004 trust score for one (chain, agent) pair — signed JSON with transparent component breakdown (value_avg / client_breadth / volume / recency), per-chain context, and methodology link. USDC pay-per-call on Base mainnet.

SociaVault API proxy — reddit-post-transcript. Query/body matches https://docs.sociavault.com/api-reference/openapi.json. GET/POST per route; x402 per call. $0.122 USDC per request.

Describe or answer questions about an image with Llama 3.2 11B Vision Instruct (@cf/meta/llama-3.2-11b-vision-instruct). POST image (base64) plus optional prompt; multimodal pricing includes image and text neurons.

AnalogHubris Trust Index — filtered ranked x402 endpoints (score, grade, spam, payTo integrity)

Convert any URL to clean, article-quality markdown. Extracts main content and strips navigation, ads, and boilerplate. Handles static sites instantly and JavaScript-rendered pages via fallback rendering. Supports blogs, documentation, news articles, and m…

Paid liveness probe for the MimirAPI counter. Returns pong, the SKU id, and a server timestamp. One tenth of a cent buys a complete challenge, sign, settle, serve round trip — the cheapest possible proof that your x402 client wiring works before you spend real money on real SKUs.

Query audit trail by actor, action, resource, time range.

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

ForgeMesh service catalog — purchasable service cards with pricing, descriptions, and response highlights

Retrieves available trading instruments and their specifications from a Hyperliquid node.

Telegram channel analytics and statistics: subscribers and growth, average post views, reach, engagement and engagement rate (ERR/ERR24), plus mentions and forwards. A quick stats and health check of any public channel; individual metrics are populated where the channel exposes them.

Search US FDIC-insured banks by name and get ranked candidate institutions, each with its FDIC certificate number, active status, charter class, city and state and headline assets, deposits and return on assets. Cheap first step before bankhealth/verdict.

LastLook Data — exchange rate for a G10 currency pair on a specific date. Use ?pair=EURUSD&d=YYYY-MM-DD.

LastLook Data — most recent value for any supported FRED series. Use ?id=IORB, ?id=EFFR, ?id=MORTGAGE30US, ?id=FEDFUNDS, ?id=DGS10, etc.

LastLook Data — value for any supported FRED series on a specific date. Use ?id=SERIES_ID&d=YYYY-MM-DD. Business days only.

Food nutrition lookup. Calories, macros, and micronutrients for any food from the USDA FoodData Central database.

US macro economic snapshot + trading signals + market data — Fed funds rate, CPI inflation, PPI, yield curve (10Y-2Y spread), unemployment, GDP growth, housing index, consumer sentiment in single API call. Real-time from FRED + BLS + BEA. For trading agents, risk models, portfolio rebalancing, economic forecasting, market commentary, research workflows, autonomous treasury management, DeFi macro hedging.

EU stablecoin compliance check + regulatory due diligence — MiCA pre-flight verdict (PASS/WARN/BLOCK) with grade A-F and live ESMA authorization status. Supports USDC, USDT, EURC, RLUSD, DAI, FDUSD, PYUSD and 40+ stablecoins. Required EU regulatory due diligence for CASPs, exchanges, payment processors, e-money institutions, fintech agents. MiCA / DORA / AMLR. BaFin / ESMA / AMF / FINMA / CySEC aligned. July 2026 CASP deadline.

Hotel search — find hotels & vacation rentals anywhere by destination with live nightly rates, star class, guest ratings, amenities, photos & coordinates as clean JSON.