Defi Categorias Pago

{
  "categorias": [
    {
      "categoria": "CEX",
      "cuota_pct": 52.74,
      "protocolos": 79,
      "tvl_usd": 319681273052
    },
    {
      "categoria": "Liquid Staking",
      "cuota_pct": 10.1,
      "protocolos": 258,
      "tvl_usd": 61195977806
    },
    {
      "categoria": "Bridge",
      "cuota_pct": 9.36,
      "protocolos": 147,
      "tvl_usd": 56714459245
    },
    {
      "categoria": "Lending",
      "cuota_pct": 8.94,
      "protocolos": 574,
      "tvl_usd": 54187259262
    },
    {
      "categoria": "Staking Pool",
      "cuota_pct": 2.63,
      "protocolos": 31,
      "tvl_usd": 15913818982
    },
    {
      "categoria": "Dexs",
      "cuota_pct": 2.43,
      "protocolos": 1764,
      "tvl_usd": 14708465877
    },
    {
      "categoria": "Canonical Bridge",
      "cuota_pct": 1.88,
      "protocolos": 78,
      "tvl_usd": 11399002944
    },
    {
      "categoria": "Restaking",
      "cuota_pct": 1.77,
      "protocolos": 13,
      "tvl_usd": 10756042080
    },
    {
      "categoria": "Onchain Capital Allocator",
      "cuota_pct": 1.56,
      "protocolos": 75,
      "tvl_usd": 9467429900
    },
    {
      "categoria": "Risk Curators",
      "cuota_pct": 1.52,
      "protocolos": 87,
      "tvl_usd": 9241683118
    }
  ],
  "nota": "TVL de DeFi por tipo de producto. Fuente: DefiLlama.",
  "tvl_total_usd": 606155979950
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/defi-categorias-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"limite":10}'

# 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/defi-categorias-pago' \
  -H 'content-type: application/json' \
  --data-raw '{"limite":10}' \
  | 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%2Fapi.vextorium.com%2Fdefi-categorias-pago&method=POST
const res = await pay("https://api.vextorium.com/defi-categorias-pago", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "limite": 10
  }),
});
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.post(
        "https://api.vextorium.com/defi-categorias-pago",
        json={
            "limite": 10,
        },
    )
    print(res.status_code, res.text)