the402 x402 endpoint directory

Get the firm quote for a swap using Allowance Holder to set allowances

RAVN cross-chain swap execution, incl. native Bitcoin as source or destination

Give it a longitude and latitude inside the United States and it answers with the Census FIPS codes for that point: th

Agent Guild paid read (best_agent): trust read: which agent to hire for a capability Use when an autonomous agent need

Buy a safety-checked Base DEX swap quote for USDC, WETH, EURC, cbETH, cbBTC, VIRTUAL, or AERO. Returns unsigned callda

Single-signal check: is this website's pricing machine-readable for AI agents? Detects Offer schema with price/availab

Place an agent service at a fixed rank on the Cent Board. Existing entries at that rank and lower ranks move down one

Search Reloadly's gift card catalog (300+ brands, 14,000+ products/denominations across countries). Returns each produ

Search EDINET filing metadata with official evidence references. / 公式根拠付きでEDINET提出書類を検索します。

PeptidesDirect full catalogue feed: every product with variants, EUR prices, live stock and lab reports (JSON)

The full record for one of the 1,326 specific Texas Hold'em starting hands: equity against modelled ranges, position-b

The filtered ERC-8004 directory: which registered agents are actually alive, and which accept x402. Roughly 15% of reg

Paid IP intelligence endpoint returning normalized geolocation and ASN data for a single IPv4 or IPv6 address.

Latest ENSO index bundle from El Niño Market Watch: weekly Niño 1+2/3/3.4/4 SST anomalies (NOAA CPC), RONI, Troup SOI

Search explainably qualified EU solar and battery tenders from an explicitly dated TED snapshot

SYNTHORA who-gho-timeseries: WHO Global Health Observatory indicator time series by country (life expectancy etc.) — p

Before your agent commits to a filing date, a notice period or a contractual term: the exact due date of a time limit

Forward geocoding: street address or place name to latitude/longitude, worldwide, via OpenStreetMap Nominatim. Returns

Reverse geocoding: latitude/longitude to a street address, worldwide, via OpenStreetMap Nominatim. Returns displayName

Fetch a public article or PDF and return clean Markdown plus title, byline, siteName, excerpt and wordCount. HTML is e

Current conditions and up to a 7-day forecast for any coordinates, via Open-Meteo. Returns current (tempC, feelsLikeC,

Free-text web search to ranked organic results, sponsored rows excluded. Returns results[] with rank, title, real dest

Live Google Autocomplete for a topic, expanded across question modifiers (how, what, why, is, can, does) and compariso

Public and bank holidays for 100+ countries, and the business-day answer behind them. Returns holidays[] with localNam

RSS, Atom or RDF feed to clean JSON. Returns feed (title, link, description, updated) and items[] with title, real des

IP geolocation for any public IPv4 or IPv6 address, plus the field that decides whether to believe it. reliability is

Returns a live token price in USD by ticker or contract address.

Returns DEX liquidity, market depth, and TVL by venue for a pair.

What a trade size actually executes at on BSC / BNB Chain, simulated against live reserves. Returns best (venue, amoun

Spot token price in USD on Polygon PoS, read from QuickSwap, SushiSwap and Uniswap v3 pools at call time. Returns pric

What a trade size actually executes at on Polygon PoS, simulated against live reserves. Returns best (venue, amountOut

Spot token price in USD on Arbitrum One, read from SushiSwap and Uniswap v3 fee tiers pools at call time. Returns pric

What a trade size actually executes at on Arbitrum One, simulated against live reserves. Returns best (venue, amountOu

Spot token price in USD on Base, read from BaseSwap, SushiSwap and Uniswap v3 pools at call time. Returns priceUsd, th

Raw AMM pool state for a pair on Base: v2 reserves and v3 concentrated liquidity across BaseSwap, SushiSwap and Uniswa

Cheapest venue to buy and richest to sell ONE pair on Base across BaseSwap, SushiSwap and Uniswap v3. Returns buyAt an

Pre-trade depth verdict for a pair on Base: is this market thin enough to hurt you. Returns depthClass DEEP|MODERATE|S

What a trade size actually executes at on Base, simulated against live reserves. Returns best (venue, amountOut, execu

Ranked cross-DEX arbitrage spreads across every liquid pair on Base (BaseSwap, SushiSwap and Uniswap v3). Returns oppo

Spot token price in USD on Avalanche C-Chain, read from Trader Joe, Pangolin and Uniswap v3 pools at call time. Return

Cheapest venue to buy and richest to sell ONE pair on Avalanche C-Chain across Trader Joe, Pangolin and Uniswap v3. Re

What a trade size actually executes at on Avalanche C-Chain, simulated against live reserves. Returns best (venue, amo

Ranked cross-DEX arbitrage spreads across every liquid pair on Avalanche C-Chain (Trader Joe, Pangolin and Uniswap v3)

Spot token price in USD on OP Mainnet, read from SushiSwap and Uniswap v3 fee tiers pools at call time. Returns priceU

Per-venue USD liquidity and TVL for a pair on OP Mainnet across SushiSwap and Uniswap v3 fee tiers. Returns totalTvlUs

What a trade size actually executes at on OP Mainnet, simulated against live reserves. Returns best (venue, amountOut,

Per-venue USD liquidity and TVL for a pair on Base across BaseSwap, SushiSwap and Uniswap v3. Returns totalTvlUsd, ven

Live gas price on BNB Chain, Polygon, Arbitrum, Base, Avalanche and Optimism, converted to USD and ranked cheapest-fir

Highest-APY DeFi pools across 15,000+, filterable by chain or project, with TVL and 30-day mean APY

DeFi protocols ranked by TVL, with 1d and 7d change. Filter by chain or category across 8,000+ protocols