Exit Check

{
  "data": {
    "askedFor": null,
    "maxExitUnder5pctUsd": 0.97,
    "mint": "Du6Z596DwGnfUcMSyRHSBQzNybiQKu8GESVfruEv9Jqr",
    "name": "APEX",
    "plain": "The most you can sell at under 5% slippage is about $0.97. The pool this uses ho…",
    "poolDepthUsd": 25.78,
    "quoteSymbol": "WXNT",
    "slippageLadder": [
      {
        "requestedUsd": 10,
        "slippagePct": 28.73,
        "tokensSold": 12902685.098896,
        "youReceiveUsd": 7.1268
      }
    ],
    "spotPriceQuote": 0.00000440652,
    "symbol": "APEX",
    "verdict": "TRAPPED",
    "warnings": [
      "10 pools exist; this analysis uses the deepest one only, because routing across …"
    ]
  },
  "ok": true,
  "paid": 0.004
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://apexfaucet.xyz/api/x402/exit-check/:mint'

# 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 - 'https://apexfaucet.xyz/api/x402/exit-check/:mint' \
  | 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 $0.004 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.004" });
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 $0.004 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapexfaucet.xyz%2Fapi%2Fx402%2Fexit-check%2F%3Amint
const res = await pay("https://apexfaucet.xyz/api/x402/exit-check/:mint");
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 $0.004 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.004"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://apexfaucet.xyz/api/x402/exit-check/:mint")
    print(res.status_code, res.text)