GET /v1/account/equity

# Last 7 days of hourly data (default)
curl -H "X-API-Key: $API_KEY" \
  "https://api.polysimulator.com/v1/account/equity"

# Last 30 days
curl -H "X-API-Key: $API_KEY" \
  "https://api.polysimulator.com/v1/account/equity?days=30"

[
  {
    "timestamp": "2026-02-06T10:00:00Z",
    "cash_balance": "9993.50",
    "position_value": "6.30",
    "total_value": "9999.80",
    "pnl": "-0.20"
  },
  {
    "timestamp": "2026-02-06T11:00:00Z",
    "cash_balance": "9993.50",
    "position_value": "7.00",
    "total_value": "10000.50",
    "pnl": "0.50"
  }
]

import requests, os
import matplotlib.pyplot as plt
from datetime import datetime

BASE_URL = os.environ["POLYSIM_BASE_URL"]
headers = {"X-API-Key": os.environ["POLYSIM_API_KEY"]}

equity = requests.get(
    f"{BASE_URL}/v1/account/equity",
    headers=headers,
    params={"days": 30},  # 30 days
).json()

# On Python < 3.11, datetime.fromisoformat() rejects the trailing "Z" —
# swap it for "+00:00" so this parses on 3.10+ (the SDK's floor).
times = [
    datetime.fromisoformat(e["timestamp"].replace("Z", "+00:00"))
    for e in equity
]
values = [float(e["total_value"]) for e in equity]

plt.figure(figsize=(12, 6))
plt.plot(times, values)
# Starting balance = your API-wallet baseline, NOT the $1,000 UI MAIN
# wallet: Pro = 10_000, Pro+ = 25_000 (Free keys are read-only). Set it
# to your tier's baseline so the reference line is meaningful.
API_WALLET_BASELINE = 10_000  # Pro; use 25_000 on Pro+
plt.axhline(y=API_WALLET_BASELINE, color="gray", linestyle="--", label="Starting balance")
plt.title("Portfolio Equity Curve")
plt.ylabel("Portfolio Value ($)")
plt.legend()
plt.show()