the402 x402 endpoint directory

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

Ranked cross-DEX arbitrage spreads across every liquid pair on BSC / BNB Chain (PancakeSwap v2/v3, Biswap, ApeSwap). R

Cheapest venue to buy and richest to sell ONE pair on BSC / BNB Chain across PancakeSwap v2/v3, Biswap, ApeSwap. Retur

Pre-trade depth verdict for a pair on BSC / BNB Chain: is this market thin enough to hurt you. Returns depthClass DEEP

Raw AMM pool state for a pair on BSC / BNB Chain: v2 reserves and v3 concentrated liquidity across PancakeSwap v2/v3,

Returns cryptographically secure random numbers.

Ranked cross-DEX arbitrage spreads across every liquid pair on Polygon PoS (QuickSwap, SushiSwap and Uniswap v3). Retu

Cheapest venue to buy and richest to sell ONE pair on Polygon PoS across QuickSwap, SushiSwap and Uniswap v3. Returns

Pre-trade depth verdict for a pair on Polygon PoS: is this market thin enough to hurt you. Returns depthClass DEEP|MOD

Raw AMM pool state for a pair on Polygon PoS: v2 reserves and v3 concentrated liquidity across QuickSwap, SushiSwap an

Per-venue USD liquidity and TVL for a pair on Polygon PoS across QuickSwap, SushiSwap and Uniswap v3. Returns totalTvl

Ranked cross-DEX arbitrage spreads across every liquid pair on OP Mainnet (SushiSwap and Uniswap v3 fee tiers). Return

Cheapest venue to buy and richest to sell ONE pair on OP Mainnet across SushiSwap and Uniswap v3 fee tiers. Returns bu

Pre-trade depth verdict for a pair on OP Mainnet: is this market thin enough to hurt you. Returns depthClass DEEP|MODE

Raw AMM pool state for a pair on OP Mainnet: v2 reserves and v3 concentrated liquidity across SushiSwap and Uniswap v3

Bitcoin mining difficulty, via Blockchain.info stats API

Pre-trade depth verdict for a pair on Avalanche C-Chain: is this market thin enough to hurt you. Returns depthClass DE

Raw AMM pool state for a pair on Avalanche C-Chain: v2 reserves and v3 concentrated liquidity across Trader Joe, Pango

Per-venue USD liquidity and TVL for a pair on Avalanche C-Chain across Trader Joe, Pangolin and Uniswap v3. Returns to

Ranked cross-DEX arbitrage spreads across every liquid pair on Arbitrum One (SushiSwap and Uniswap v3 fee tiers). Retu

Cheapest venue to buy and richest to sell ONE pair on Arbitrum One across SushiSwap and Uniswap v3 fee tiers. Returns

Pre-trade depth verdict for a pair on Arbitrum One: is this market thin enough to hurt you. Returns depthClass DEEP|MO

Raw AMM pool state for a pair on Arbitrum One: v2 reserves and v3 concentrated liquidity across SushiSwap and Uniswap

Per-venue USD liquidity and TVL for a pair on Arbitrum One across SushiSwap and Uniswap v3 fee tiers. Returns totalTvl

VAPE exploit_check — Contract verification + proxy-swap surface check. Real on-chain/market data, no simulation.

Close an open perpetual position on Hyperliquid (full or partial). Cancels all attached TP/SL trigger orders automatic