Facet Liquidity

{
  "address": "0x532f27101965dd16442E59d40670FaF5eBB142E4",
  "buy_sell_ratio_h1": 1.32,
  "chain": "base",
  "dex": "uniswap",
  "liquidity_usd": 4200000,
  "market_cap": 812000000,
  "pair_age_hours": 9600,
  "pair_found": true,
  "pair_url": "https://dexscreener.com/base/0x…",
  "price_change": {
    "h1": 2.1,
    "h24": -1.4
  },
  "price_usd": 0.0842,
  "source": "dexscreener",
  "txns_h1": {
    "buys": 420,
    "sells": 318
  },
  "upgrade": {
    "exit_depth": "/api/exit-depth — sell-impact modeling",
    "full_scan": "/api/evmtoken — $0.015 fused safety verdict"
  },
  "volume": {
    "h1": 310000,
    "h24": 6100000
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://onchainpulse.theaslangroupllc.com/api/facet/liquidity?address=0x532f27101965dd16442E59d40670FaF5eBB142E4&chain=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 - 'https://onchainpulse.theaslangroupllc.com/api/facet/liquidity?address=0x532f27101965dd16442E59d40670FaF5eBB142E4&chain=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%2Fonchainpulse.theaslangroupllc.com%2Fapi%2Ffacet%2Fliquidity
const res = await pay("https://onchainpulse.theaslangroupllc.com/api/facet/liquidity?address=0x532f27101965dd16442E59d40670FaF5eBB142E4&chain=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.get("https://onchainpulse.theaslangroupllc.com/api/facet/liquidity?address=0x532f27101965dd16442E59d40670FaF5eBB142E4&chain=base")
    print(res.status_code, res.text)