Items Skin Check

{
  "cash_out": {
    "skinport": {
      "cash_withdrawable": true,
      "fee_pct": 12,
      "gross_usd": 30.18,
      "net_cash_usd": 26.56
    },
    "steam": {
      "cash_withdrawable": false,
      "fee_pct": 15,
      "gross_usd": 41.14,
      "net_wallet_usd": 34.97
    }
  },
  "coverage": {
    "skinport": "ok",
    "steam": "ok"
  },
  "game": "Counter-Strike 2",
  "item": "AK-47 | Redline (Field-Tested)",
  "liquidity": {
    "skinport_listings": 566,
    "steam_sales_24h": 79
  },
  "match": "exact",
  "prices": {
    "skinport_median_usd": 52.01,
    "skinport_min_usd": 30.18,
    "skinport_suggested_usd": 41.27,
    "steam_lowest_usd": 41.14,
    "steam_median_usd": 41.14
  },
  "spread": {
    "steam_vs_skinport_floor_pct": 26.6
  },
  "verdict": "Liquidity is healthy... sell on Steam if you will spend the proceeds on Steam; sell on a cash marketplace if you want money out."
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://gamepulse.theaslangroupllc.com/api/items/skin-check?game=cs2&item=AK-47+%7C+Redline+%28Field-Tested%29'

# 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://gamepulse.theaslangroupllc.com/api/items/skin-check?game=cs2&item=AK-47+%7C+Redline+%28Field-Tested%29' \
  | 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fgamepulse.theaslangroupllc.com%2Fapi%2Fitems%2Fskin-check
const res = await pay("https://gamepulse.theaslangroupllc.com/api/items/skin-check?game=cs2&item=AK-47+%7C+Redline+%28Field-Tested%29");
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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://gamepulse.theaslangroupllc.com/api/items/skin-check?game=cs2&item=AK-47+%7C+Redline+%28Field-Tested%29")
    print(res.status_code, res.text)