Yield Check

{
  "claim_check": {
    "promised_daily_usd": 2460000,
    "required_volume_multiple": 90.2,
    "verdict": "FANTASY"
  },
  "copycats": {
    "same_symbol_pairs_on_other_chains": 4
  },
  "live": {
    "liquidity_usd": 432560,
    "price_usd": 0.00021,
    "volume_24h_usd": 1109098
  },
  "math": {
    "actual_daily_pool_usd": 27283,
    "payout_share_pct": 82,
    "tax_pct": 3
  },
  "note": "Reflection yields are volume-dependent by construction: when attention rotates, volume and the payout pool fall together.",
  "token": {
    "chain": "bsc",
    "name": "Cets On Gold",
    "symbol": "CETS"
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://onchainpulse.theaslangroupllc.com/api/yield-check?address=0xB0c2aB5af4028461acE3f6e1C33a4eE1404E7777&holding_pct=0.01&payout_share_pct=82&promised_daily_usd=2460000&tax_pct=3'

# 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/yield-check?address=0xB0c2aB5af4028461acE3f6e1C33a4eE1404E7777&holding_pct=0.01&payout_share_pct=82&promised_daily_usd=2460000&tax_pct=3' \
  | 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%2Fonchainpulse.theaslangroupllc.com%2Fapi%2Fyield-check
const res = await pay("https://onchainpulse.theaslangroupllc.com/api/yield-check?address=0xB0c2aB5af4028461acE3f6e1C33a4eE1404E7777&holding_pct=0.01&payout_share_pct=82&promised_daily_usd=2460000&tax_pct=3");
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://onchainpulse.theaslangroupllc.com/api/yield-check?address=0xB0c2aB5af4028461acE3f6e1C33a4eE1404E7777&holding_pct=0.01&payout_share_pct=82&promised_daily_usd=2460000&tax_pct=3")
    print(res.status_code, res.text)