Resolve Uniswap V3 pool address · DEX Pair

by Resolve Uniswap V3 pool address

POSTBaseSolanaArbitrumPolygonMonadAvalancheeip155:1329OptimismFraxtaleip155:42220stellar:pubnetalgorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=

$0.001

per call · USD Coin on Base

Look up the Uniswap V3 pool address for a token pair + fee tier on Ethereum, Base, Polygon, Arbitrum, or Optimism. Pass either order (tokenA/tokenB) - the factory sorts internally. Returns 0x0…0 if no pool has been deployed for that combination yet.

Endpoint

POST https://agent402.tools/api/dex-pair

5

Calls / 30d

2

Unique payers / 30d

Sep 7

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://agent402.tools/api/dex-pair", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "fee": 500,
    "network": "base",
    "tokenA": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "tokenB": "0x4200000000000000000000000000000000000006"
  }),
});
const data = await res.json();
cURL
curl -X POST \
  "https://agent402.tools/api/dex-pair" \
  -H "Content-Type: application/json" \
  -d '{"fee":500,"network":"base","tokenA":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","tokenB":"0x4200000000000000000000000000000000000006"}' \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "fee": 500,
  "network": "base",
  "poolAddress": "0xd0b53d9277642d899df5c87a3966a349a798f224",
  "tokenA": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
  "tokenB": "0x4200000000000000000000000000000000000006"
}

Payment details

Pay to0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase, Solana, Arbitrum, Polygon, Monad, Avalanche, eip155:1329, Optimism, Fraxtal, eip155:42220, stellar:pubnet, algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=
Schemesexact, upto

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