Rsi Scanner

{
  "altcoins_strength_vs_btc": {
    "btc_30d_pct": 7.99,
    "compared": 7,
    "index": 100,
    "method": "% of these perps outperforming BTC over the last 30 days",
    "reading": "altcoins are beating BTC (altcoin season mood)"
  },
  "analyzed_markets": 8,
  "avg_rsi": 62.5,
  "interval": "1d",
  "markets": [
    {
      "change_24h_pct": -4.7,
      "currency": "NEAR",
      "open_interest_usd": 335261249,
      "price": 4.9229,
      "rsi_14": 72.4,
      "zone": "sobrecompra"
    },
    {
      "change_24h_pct": 6.85,
      "currency": "PUMP",
      "open_interest_usd": 265396959,
      "price": 0.005599,
      "rsi_14": 68,
      "zone": "neutral"
    }
  ],
  "note": "14-period RSI: >70 overbought, <30 oversold. Informational; not investment advice.",
  "overbought": [
    "NEAR"
  ],
  "oversold": [],
  "source": "Hyperliquid (public L1 data); indicators computed by Vextorium"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/v1/rsi-scanner' \
  -H 'content-type: application/json' \
  --data-raw '{"interval":"1d","limit":8}'

# 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/v1/rsi-scanner' \
  -H 'content-type: application/json' \
  --data-raw '{"interval":"1d","limit":8}' \
  | 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 $0.0135 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.0135" });
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 $0.0135 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Fv1%2Frsi-scanner&method=POST
const res = await pay("https://api.vextorium.com/v1/rsi-scanner", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "interval": "1d",
    "limit": 8
  }),
});
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 $0.0135 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.0135"})
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/v1/rsi-scanner",
        json={
            "interval": "1d",
            "limit": 8,
        },
    )
    print(res.status_code, res.text)