Oi Spike Scan

{
  "data": {
    "as_of": "2026-10-14T04:05:01.000Z",
    "coins_scanned": 178,
    "method": "oi_change_* are changes in open interest in coin units (a price move is not new positions). spike_z is the latest 1h change measured in standard deviations of that coin's own 1h changes over the previous day (null with under 24 observations). Ranked by |spike_…",
    "min_1h_change_pct": 1,
    "min_oi_usd": 3000000,
    "samples": 292,
    "source": "Hyperliquid info API (public chain state), sampled every 5 minutes by our own collector",
    "spikes": [
      {
        "coin": "CHIP",
        "funding_rate_8h": 0.0001,
        "oi_change_1h_pct": 1.48,
        "oi_change_24h_pct": -3.06,
        "oi_change_4h_pct": 1.33,
        "oi_usd": 14009544,
        "price_change_1h_pct": 0.73,
        "spike_z": 7.01,
        "symbol": "CHIPUSDT"
      },
      {
        "coin": "PENDLE",
        "funding_rate_8h": 0.0001,
        "oi_change_1h_pct": 1.07,
        "oi_change_24h_pct": -0.91,
        "oi_change_4h_pct": 1.46,
        "oi_usd": 11315665,
        "price_change_1h_pct": 0.74,
        "spike_z": 2.13,
        "symbol": "PENDLEUSDT"
      },
      {
        "coin": "CASHCAT",
        "funding_rate_8h": 0.0001,
        "oi_change_1h_pct": 1.04,
        "oi_change_24h_pct": -0.88,
        "oi_change_4h_pct": 2.25,
        "oi_usd": 24512889,
        "price_change_1h_pct": 3.49,
        "spike_z": 1.84,
        "symbol": "CASHCATUSDT"
      }
    ],
    "window_hours": 24
  },
  "paid": true,
  "tool": "get_oi_spike_scan"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402.ochinimus.app/api/oi-spike-scan'

# 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://x402.ochinimus.app/api/oi-spike-scan' \
  | 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%2Fx402.ochinimus.app%2Fapi%2Foi-spike-scan
const res = await pay("https://x402.ochinimus.app/api/oi-spike-scan");
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://x402.ochinimus.app/api/oi-spike-scan")
    print(res.status_code, res.text)