Peg Sessions

{
  "data": {
    "note": "Deviation is measured against the underlying's last real trade. Outside US market hours that is the last print before the close, not a live…",
    "open_vs_offhours_ratio": 19.2,
    "sessions": {
      "afterhours": {
        "max_abs_bps": 339,
        "mean_abs_bps": 54.8,
        "median_liquidity_usd": 2733917,
        "n": 240,
        "p50_abs_bps": 41.4,
        "p95_abs_bps": 205.5,
        "pct_over_100bps": 8.8,
        "pct_over_200bps": 6.3
      },
      "open": {
        "max_abs_bps": 52.7,
        "mean_abs_bps": 10.3,
        "median_liquidity_usd": 2728225,
        "n": 390,
        "p50_abs_bps": 7.6,
        "p95_abs_bps": 27.7,
        "pct_over_100bps": 0,
        "pct_over_200bps": 0
      },
      "overnight": {
        "max_abs_bps": 381,
        "mean_abs_bps": 105,
        "median_liquidity_usd": 2728721,
        "n": 480,
        "p50_abs_bps": 61.4,
        "p95_abs_bps": 315.4,
        "pct_over_100bps": 36,
        "pct_over_200bps": 20.8
      },
      "premarket": {
        "max_abs_bps": 583.7,
        "mean_abs_bps": 141.2,
        "median_liquidity_usd": 2737692,
        "n": 330,
        "p50_abs_bps": 58.1,
        "p95_abs_bps": 531.4,
        "pct_over_100bps": 37.3,
        "pct_over_200bps": 24.5
      }
    },
    "status": "ok",
    "symbol": "CRCLx",
    "window_days": 7,
    "worst_offhours_session": "premarket"
  },
  "paid": true,
  "tool": "get_peg_sessions"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402.ochinimus.app/api/peg-sessions?symbol=CRCLx'

# 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/peg-sessions?symbol=CRCLx' \
  | 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 $0.015 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.015" });
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 $0.015 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.ochinimus.app%2Fapi%2Fpeg-sessions
const res = await pay("https://x402.ochinimus.app/api/peg-sessions?symbol=CRCLx");
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 $0.015 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.015"})
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/peg-sessions?symbol=CRCLx")
    print(res.status_code, res.text)