Compare

{
  "count": 2,
  "results": [
    {
      "freeze_authority_revoked": true,
      "holder_count": 2047126,
      "liquidity_score": 100,
      "liquidity_usd": 710135.2,
      "lp_locked_pct": 100,
      "mint": "DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263",
      "mint_authority_revoked": true,
      "momentum_score": 60,
      "name": "Bonk",
      "narratives": [
        "dog"
      ],
      "price_change_24h": -7.71,
      "price_usd": 0.000002936,
      "security_score": 88,
      "symbol": "Bonk",
      "token_age_days": 149.28,
      "volume_24h_usd": 245815.8,
      "watchdog_score": 87
    }
  ]
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://saylorinnovations.com/api/compare?mints=So11111111111111111111111111111111111111112%2CDezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263'

# 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://saylorinnovations.com/api/compare?mints=So11111111111111111111111111111111111111112%2CDezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263' \
  | 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fsaylorinnovations.com%2Fapi%2Fcompare
const res = await pay("https://saylorinnovations.com/api/compare?mints=So11111111111111111111111111111111111111112%2CDezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263");
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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://saylorinnovations.com/api/compare?mints=So11111111111111111111111111111111111111112%2CDezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263")
    print(res.status_code, res.text)