New Pools

{
  "created_pools": 11,
  "minutes": 30,
  "network": "base",
  "note": "A new pool does not mean a legitimate token: check with token-safety or pre-trade-check.",
  "shown": [
    {
      "against": "0x4200000000000000000000000000000000000006",
      "block": 52100175,
      "dex": "Uniswap v2",
      "dexscreener": "https://dexscreener.com/base/0x3dbb92114cdf58eedb556206ca9073de66c5f994",
      "liquidity_usd": 81399,
      "minutes_ago": 2.5,
      "new_token": "0xd4082d97d0d001484cb2ef1c5bfaf80d5aced199",
      "pool": "0x3dbb92114cdf58eedb556206ca9073de66c5f994",
      "price_usd": "0.000005984",
      "symbol": "openhuman",
      "tx": "0xc06a4bea8dc248fdaecd49452168c930a5851a749dc749fb1a4b957de94848bd",
      "volume_usd": 583.83
    },
    {
      "against": "0x4200000000000000000000000000000000000006",
      "block": 52100153,
      "dex": "Uniswap v2",
      "dexscreener": "https://dexscreener.com/base/0xa5f09293a8f9aa91f5e16c4cad6b2b1570b76db5",
      "liquidity_usd": 8662,
      "minutes_ago": 3.2,
      "new_token": "0xde538181cec17d6bbcc4f174aa402011ca75ea02",
      "pool": "0xa5f09293a8f9aa91f5e16c4cad6b2b1570b76db5",
      "price_usd": "0.0000008941",
      "symbol": "LAPTOP",
      "tx": "0x9d846046c838c0a10723e55c4d692d44f7649bd772180536131cf9edfa8e3952",
      "volume_usd": 631.95
    }
  ],
  "source": "DEX factory events on public nodes; liquidity and price from DEX Screener"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/v1/new-pools' \
  -H 'content-type: application/json' \
  --data-raw '{"limit":3,"minutes":30,"network":"base"}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://api.vextorium.com/v1/new-pools' \
  -H 'content-type: application/json' \
  --data-raw '{"limit":3,"minutes":30,"network":"base"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Fv1%2Fnew-pools&method=POST
const res = await pay("https://api.vextorium.com/v1/new-pools", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "limit": 3,
    "minutes": 30,
    "network": "base"
  }),
});
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.vextorium.com/v1/new-pools",
        json={
            "limit": 3,
            "minutes": 30,
            "network": "base",
        },
    )
    print(res.status_code, res.text)