the402 x402 endpoint directory

Extract article / main content from any URL or PDF to clean, LLM-ready Markdown (web scraper / reader / html-to-markdo

Search OSHA citation / violation records via US Department of Labor Open Data Portal (~13.2M citations). Each citation

USGS recent earthquakes worldwide (M2.5+)

Look up a transaction and its receipt on Ethereum, Base, Arbitrum, Optimism, Polygon, or BNB Chain: status (success/re

Latest insider trades (SEC Form 4) for any US-listed company by stock ticker or CIK: who bought or sold, their role (d

Validate email addresses: RFC-style syntax checks, IDN domain normalization, live MX lookups with A/AAAA fallback (DNS

Current USD prices for any crypto asset: majors by ticker (BTC, ETH, SOL), anything else by CoinGecko id or chain + co

Current gas price and EIP-1559 fee suggestions (base fee, priority tip, suggested max fee) on Ethereum, Base, Arbitrum

Fetch a block header by number, hash, or "latest" on Ethereum, Base, Arbitrum, Optimism, Polygon, or BNB Chain: timest

Verify an x402 settlement on Base OR Solana: pass a 0x transaction hash or a base58 signature, confirm it succeeded, d

US weather forecast API: official National Weather Service forecast for any US lat/lon — next four periods (~48 hours,

Equity intelligence for any US-listed company by ticker: latest revenue & net income with YoY growth, net margin, EPS,

A tight 4-6 sentence crypto market recap an agent can ingest whole: overall direction and why, the 2-3 developments th

WHOIS domain lookup via RDAP — registrar, creation/expiry/updated dates, nameservers, and status flags from the author

Live stock/index/FX/crypto quote: last price, day range, 52-week range, previous close, currency, exchange, and a rela

Search Wikipedia and pull article summaries in 300+ languages. Pass "query" for ranked search results (title, snippet,

ERC-20 token metadata — name, symbol, decimals, total supply — for any token contract on Ethereum, Base, Arbitrum, Opt

Native coin balance for any address on Ethereum, Base, Arbitrum, Optimism, Polygon, or BNB Chain, plus ERC-20 token ba

Forward and reverse geocoding on OpenStreetMap data: turn place names, addresses, and landmarks into coordinates with

API endpoint health checker and x402 compatibility scanner. Provide target url to fetch and check if it correctly impl

Current spot price for crypto trading pairs. Input: pair — a single pair (BTC-USD) or up to 10 comma-separated pairs (

Batch spot prices for up to 20 assets in one call — each with price, 24h change and volume, keyed by symbol. The cost-

SEC Form 4 insider trades for any US-listed company by ticker: who bought and sold (officer/director/10% owner), purch

Paid webhook/API execution for autonomous agents. Executes one public HTTPS action after x402 payment, applies retries

Current weather conditions for any location on Earth: temperature, feels-like, humidity, wind speed/direction/gusts, p

OpenAI-compatible chat completions, nano tier: gpt-4.1-nano, gpt-5-nano, gemini flash-lite, small llama/ministral/qwen

Check any public URL: status code, latency, final URL after redirects, and response headers. The uptime primitive for

Current air quality index and pollutant concentrations for any location: US AQI, PM2.5, PM10, ozone, NO2, SO2, CO. Ope

Probe any URL and decode its HTTP 402 payment requirements (price, asset, network, pay-to) into clean JSON - what an a

Latest company news for a vendor-resolved equity: licensed Finnhub headlines from the trailing seven days with publica

gpt-4o-mini API call (~128 tokens)

Repair malformed JSON (trailing commas, single quotes, unquoted keys, code fences, truncated output) and optionally va

Residential proxy fetch (up to 2MB). Returns HTTP 200 with the target body; read X-Target-Status for the origin status

Freight carbon: CO2e for road/rail/sea/air shipments by weight × distance, single-leg or multi-leg intermodal. Ports/a

European company search across official registers: company lookup by name, returning European company data in one unif

Emission-factor lookup: fetch the underlying factor (value, unit, methodology, source, licence) by id, activity_type,

Cryptographically-secure randomness with a receipt. GET ?bytes= returns hex (1-256 bytes); add ?min=&max= for a unifor

Current southwest monsoon advance status across India.

TradFi risk-on/risk-off in one $0.003 call for crypto agents. Returns the S&P 500 and Nasdaq-100 regime state, how man

Resolve a US latitude/longitude to its county, state, and census block FIPS via the FCC Area API - the geographic cont

Erkennt CMS, Shop, Framework, Server, CDN, Analytics, Consent-Tool, Zahlungsanbieter und Marketing-Stack aus Headern,

Vollständiges Domainprofil: A/AAAA/MX/NS/TXT/CNAME/SOA, Mail-Setup (SPF, DMARC, DKIM-Hinweis, MTA-STS), TLS-Zertifikat

Prüft eine europäische Umsatzsteuer-Identifikationsnummer auf Länderpräfix, Länge, Zeichenvorrat und Prüfziffer, sowei

Official Finnish company registry via PRH YTJ open data v3 (avoindata.prh.fi). Query: ?q=nokia for name search (best m

Flight carbon: great-circle CO2e for a route by IATA/UN-LOCODE or lat/long, by cabin class and passengers, with option

Batch activity-based carbon: many activity calculations in one call (1–100 items). Priced per item.

Activity-based carbon: convert a physical quantity (fuel, electricity, materials; 1,000+ activity types) into verified

Spend-based carbon (Scope 3): convert a transaction amount + industry code (MCC/NAICS/BEA/ISIC/SIC/NACE) into verified

Validate identifiers with real checksum math: credit card (Luhn + brand), IBAN (mod-97), EAN-13/UPC-A, ISBN-10/13, UUI

Render Markdown (GitHub-flavored: tables, fenced code, task lists) to clean HTML with raw inline HTML stripped. POST {