Options flow intelligence — unusual activity put/call ratios large block trades

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "expiry": "nearest",
          "symbol": "AAPL",
          "ticker": "AAPL"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "iv_skew_pct": 2.1,
          "iv_skew_signal": "put skew — market pricing in downside protection",
          "pcr_signal": "bullish (heavy call buying)",
          "put_call_ratio": 0.55,
          "put_call_ratio_oi": 0.61,
          "summary": "AAPL options flow: 7 unusual strikes — dominant CALL | PCR 0.72 (bullish)",
          "ticker": "AAPL",
          "total_call_volume": 284000,
          "total_put_volume": 204000,
          "unusual_activity": [
            {
              "expiry": "2026-04-24",
              "in_the_money": false,
              "iv_pct": 3.1,
              "open_interest": 21443,
              "strike": 275,
              "type": "CALL",
              "vol_oi_ratio": 3.2,
              "volume": 68611
            }
          ],
          "unusual_count": 7
        },
        "format": "json",
        "type": "object"
      }
    },
    "schema": {
      "category": "finance",
      "description": "Unusual options and derivatives activity scanner for any US stock, ETF, or major crypto (BTC / ETH / SOL via Deribit). Returns put/call volume and OI ratios, top strikes by volume, unusual activity (volume/OI > 3x), implied volatility skew, and a directional signal. Supports nearest expiry or multi-expiry scan. Ideal for agents reading market sentiment and positioning across US equities and crypto derivatives.",
      "name": "LoneStarOracle — OptionsFlow",
      "properties": {
        "input": {
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "expiry": {
                  "default": "nearest",
                  "title": "Expiry",
                  "type": "string"
                },
                "symbol": {
                  "title": "Symbol",
                  "type": "string"
                },
                "ticker": {
                  "title": "Ticker",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "iv_skew_pct": 2.1,
              "iv_skew_signal": "put skew — market pricing in downside protection",
              "pcr_signal": "bullish (heavy call buying)",
              "put_call_ratio": 0.55,
              "put_call_ratio_oi": 0.61,
              "summary": "AAPL options flow: 7 unusual strikes — dominant CALL | PCR 0.72 (bullish)",
              "ticker": "AAPL",
              "total_call_volume": 284000,
              "total_put_volume": 204000,
              "unusual_activity": [
                {
                  "expiry": "2026-04-24",
                  "in_the_money": false,
                  "iv_pct": 3.1,
                  "open_interest": 21443,
                  "strike": 275,
                  "type": "CALL",
                  "vol_oi_ratio": 3.2,
                  "volume": 68611
                }
              ],
              "unusual_count": 7
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "tags": [
        "options",
        "flow",
        "derivatives",
        "unusual-activity",
        "iv",
        "iv-skew",
        "put-call-ratio",
        "sentiment",
        "crypto",
        "btc",
        "eth",
        "sol",
        "deribit",
        "trading"
      ],
      "type": "object",
      "version": "1.0.0"
    }
  },
  "bc_kg64bd18": {}
}

curl "https://options.lonestaroracle.xyz/flow"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://options.lonestaroracle.xyz/flow");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://options.lonestaroracle.xyz/flow")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header