the402 x402 endpoint directory

Fetch an RSS 2.0 or Atom feed and return clean JSON: feed title, link and description, plus items with title, link, IS

Top DeFi yield pools with APY/TVL, filterable by chain (DefiLlama).

Tool Scout - Find a tool on OpenSea's registry that actually works, and skip the thousands that don't.

Weekly official Japan Customs reference exchange rate (税関長公示レート) used to convert import declaration values to yen unde

Convert a non-negative weight or mass value between common units. Use this deterministic endpoint when an agent needs

Read-only Base L2 gas conditions computed directly from chain data: current base fee, recent percentiles, realised vol

Reloadpi — Browse eSIM data plans for international travel across 190+ countries

Resolve one latitude/longitude pair into bounded, great-circle-distance-ranked nearby GeoNames populated places with c

Resolve one global city or locality name into bounded, population-ranked GeoNames coordinates, country and first-level

Convert an amount between two supported currencies using one validated ECB daily reference-rate observation. The under

XML tier (deterministic, no LLM): verifies a claimed value lives at a named path in a public XML document, by independ

Redirect tier (deterministic, no LLM): verifies where a public URL actually leads: final URL (byte-exact), first respo

JSON tier (deterministic, no LLM): verifies a claimed value lives at a named JSON path in a public endpoint's response

Delx Commerce text to speech API for agents at $0.002 USDC. Call when you need short narration, voiceover, IVR prompts

Email verification for outreach and CRM agents: syntax validation, MX lookup with implicit-MX fallback, disposable-dom

Cheapest tier: headlines only (original + machine-translated title) across all 11 Japan regulatory sources, no summary

Base network gas fee statistics (1-minute baseFeePerGas buckets): p25/p50/p90/p99 and the current value's percentile r

Fetches a public URL and returns clean markdown text plus metadata.

Reference tables for a US tax year and filing status: income brackets, standard deduction, FICA constants, and capital

Schedule one HTTPS callback after an integer delay of 60 through 86400 seconds. The delay is anchored once to the firs

Read one wallet's native balance, nonce, account type, and up to five ERC-20 balances from Base, Ethereum, or Arbitrum

Header-level detail for one block on Ethereum, Base, Polygon, Arbitrum, or Optimism: hash, timestamp (unix + ISO), tra

Current gas price (gwei and wei) on Base, Polygon, Arbitrum, Optimism, Ethereum, Monad, Celo, Avalanche, Sei, or Robin

Exa Contents - Retrieve content from URLs

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

Build a runnable curl command for one operation in an OpenAPI 3.x or Swagger 2.x spec. Locate the operation by operati

Fetch page metadata for a URL: title, description, OpenGraph, Twitter cards, canonical URL, favicon.

Every $1M+ aggressive market print recorded live from our own trade sockets, with side, price, quantity and notional,

Hourly Wilder RSI(14) history for ~580 Binance USDT perpetuals (crypto top-400 by volume plus every TradFi perp) on 15

Is this counterparty safe to pay? Screens the address against the OFAC sanctions list, reads its ERC-8004 reputation w

What is this agent's reputation actually worth? 92.6% of ERC-8004 feedback on Base is coordinated. This clusters revie

Rerank documents against a query over x402 - the Cohere /rerank wire ({query, documents[], top_n} -> results with rele

Near-real-time Great Britain national electricity demand outturn from the Elexon Insights (BMRS) open API: 5-minute MW

Carbon intensity of Great Britain's electricity grid from the official NESO Carbon Intensity API (CC BY 4.0), in half-

Hourly EPEX Spot day-ahead electricity prices in EUR/MWh from the aWATTar market data API, normalized to ISO 8601 UTC

Latest 1-minute estimated planetary Kp index from NOAA SWPC, with a boolean storm flag (estimated_kp >= threshold, def

Offline validation of intermodal container numbers per ISO 6346: owner code, equipment category (U/J/Z), serial and ch

Current Hacker News front page via the official Firebase API, fanned out and merged into one payload: id, title, url,

Latest-release metadata from the official PyPI JSON API (live): version, license, requires_python compatibility, requi

Latest METAR observation, decoded, for any ICAO airport worldwide (NOAA AviationWeather.gov): wind direction/speed/gus

Latest earthquakes from the USGS real-time catalog (public domain, updated within minutes). Query: ?minmagnitude=4.5&l

Hourly air-quality data (PM2.5, PM10, ozone, NO2, European/US AQI) for any lat/lon, from the Copernicus CAMS model ser

Headline national CPI, year-on-year growth rate (%), monthly, from the official OECD SDMX API (dataset DSD_PRICES@DF_P

Official Bank of Canada Valet observations, normalized JSON. Query: ?series=FXUSDCAD,FXEURCAD&recent=5 (1-10 comma-sep

European Central Bank reference exchange rates for any past date or date range (business days since 1999-01-04), via f

Monthly HICP inflation as annual rate of change (%) from Eurostat dataset prc_hicp_manr, the official primary source.

Current levels of the three ECB key interest rates -- main refinancing operations (MRR_FR), deposit facility (DFR) and

Euro Short-Term Rate (ESTR), the official euro overnight benchmark, direct from the ECB Data Portal (dataset EST, publ

Latest observed 15-min records from RTE's eCO2mix national real-time dataset (ODRE portal, Licence Ouverte 2.0). Per r

Near-real-time pump prices (EUR/L) for French gas stations from the official roulez-eco feed (data.economie.gouv.fr, u