FETCH402
← Protocol index

Resource / 199

healthy

LoneStarOracle OptionsFlow.

GET https://options.lonestaroracle.xyz/flow ↗

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

Eligibility
probeable
Failures
0
Last quote
2026-08-12 22:00:00 UTC
Last probe
2026-08-12 22:00:00 UTC
Payment requirements / accepts[] 2 options
State Network Scheme Atomic amount Asset payTo / untrusted
active eip155:8453 exact 50000 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 0x52Ab53912D37759B2ad364f22dD06B16714b6C06
active solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp exact 50000 EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v 3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw

All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.

Probe evidence 1 recent
healthy 2026-08-12 22:00:00 UTC GET · HTTP 402 · 11ms · accepts 2 · base 1 ok
Request
GET https://options.lonestaroracle.xyz/flow
Robots
error
Note
robots_error:{:robots_http_status, 404};http_402;accepts=2;base=1
Accepts fingerprint
f36e570c96dd1245b24689c5dbe88558b081982c25f12b3c73a080f68aca81a9

Accepts snapshot

[
  {
    "amount": "50000",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "assetTransferMethod": null,
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "maxTimeoutSeconds": 300,
    "network": "eip155:8453",
    "payTo": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
    "paymentFlow": null,
    "raw": {
      "amount": "50000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "eip155:8453",
      "payTo": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
      "pay_to": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
      "scheme": "exact"
    },
    "scheme": "exact"
  },
  {
    "amount": "50000",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "assetTransferMethod": null,
    "extra": {
      "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
    },
    "maxTimeoutSeconds": 300,
    "network": "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp",
    "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
    "paymentFlow": null,
    "raw": {
      "amount": "50000",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
      },
      "maxTimeoutSeconds": 300,
      "max_timeout_seconds": 300,
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
      "pay_to": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
      "scheme": "exact"
    },
    "scheme": "exact"
  }
]

PaymentRequired raw 

{
  "accepts": [
    {
      "amount": "50000",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxTimeoutSeconds": 300,
      "network": "eip155:8453",
      "payTo": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
      "scheme": "exact"
    },
    {
      "amount": "50000",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
      },
      "maxTimeoutSeconds": 300,
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
      "scheme": "exact"
    }
  ],
  "error": "Payment required",
  "extensions": {
    "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": 275.0,
                "type": "CALL",
                "vol_oi_ratio": 3.2,
                "volume": 68611
              }
            ],
            "unusual_count": 7
          },
          "format": "json",
          "type": "object"
        }
      },
      "schema": {
        "category": "finance",
        "description": "Unusual options activity scanner for any US stock or ETF ticker. 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 assessing market sentiment and positioning.",
        "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": 275.0,
                    "type": "CALL",
                    "vol_oi_ratio": 3.2,
                    "volume": 68611
                  }
                ],
                "unusual_count": 7
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "tags": [
          "options",
          "flow",
          "unusual-activity",
          "iv",
          "put-call-ratio",
          "trading"
        ],
        "type": "object",
        "version": "1.0.0"
      }
    },
    "bc_kg64bd18": {}
  },
  "resource": {
    "description": "Options flow intelligence — unusual activity put/call ratios large block trades",
    "iconUrl": "https://lonestaroracle.xyz/lso_logo.svg",
    "mimeType": "",
    "serviceName": "LoneStarOracle OptionsFlow",
    "tags": [
      "options",
      "flow",
      "unusual-activity",
      "iv",
      "put-call-ratio"
    ],
    "url": "https://options.lonestaroracle.xyz/flow"
  },
  "x402Version": 2
}

Response headers

{
  "connection": "keep-alive",
  "content-length": "801",
  "content-type": "application/json",
  "date": "Wed, 12 Aug 2026 22:00:00 GMT",
  "payment-required": "eyJ4NDAyVmVyc2lvbiI6IDIsICJlcnJvciI6ICJQYXltZW50IHJlcXVpcmVkIiwgInJlc291cmNlIjogeyJ1cmwiOiAiaHR0cHM6Ly9vcHRpb25zLmxvbmVzdGFyb3JhY2xlLnh5ei9mbG93IiwgImRlc2NyaXB0aW9uIjogIk9wdGlvbnMgZmxvdyBpbnRlbGxpZ2VuY2UgXHUyMDE0IHVudXN1YWwgYWN0aXZpdHkgcHV0L2NhbGwgcmF0aW9zIGxhcmdlIGJsb2NrIHRyYWRlcyIsICJtaW1lVHlwZSI6ICIiLCAic2VydmljZU5hbWUiOiAiTG9uZVN0YXJPcmFjbGUgT3B0aW9uc0Zsb3ciLCAidGFncyI6IFsib3B0aW9ucyIsICJmbG93IiwgInVudXN1YWwtYWN0aXZpdHkiLCAiaXYiLCAicHV0LWNhbGwtcmF0aW8iXSwgImljb25VcmwiOiAiaHR0cHM6Ly9sb25lc3Rhcm9yYWNsZS54eXovbHNvX2xvZ28uc3ZnIn0sICJhY2NlcHRzIjogW3sic2NoZW1lIjogImV4YWN0IiwgIm5ldHdvcmsiOiAiZWlwMTU1Ojg0NTMiLCAiYXNzZXQiOiAiMHg4MzM1ODlmQ0Q2ZURiNkUwOGY0YzdDMzJENGY3MWI1NGJkQTAyOTEzIiwgImFtb3VudCI6ICI1MDAwMCIsICJwYXlUbyI6ICIweDUyQWI1MzkxMkQzNzc1OUIyYWQzNjRmMjJkRDA2QjE2NzE0YjZDMDYiLCAibWF4VGltZW91dFNlY29uZHMiOiAzMDAsICJleHRyYSI6IHsibmFtZSI6ICJVU0QgQ29pbiIsICJ2ZXJzaW9uIjogIjIifX0sIHsic2NoZW1lIjogImV4YWN0IiwgIm5ldHdvcmsiOiAic29sYW5hOjVleWt0NFVzRnY4UDhOSmRUUkVwWTF2enFLcVpLdmRwIiwgImFzc2V0IjogIkVQakZXZGQ1QXVmcVNTcWVNMnFOMXh6eWJhcEM4RzR3RUdHa1p3eVREdDF2IiwgImFtb3VudCI6ICI1MDAwMCIsICJwYXlUbyI6ICIzbm1lVmo1bTlVcTJoU1Rmc1ZzbjN0Sk1IUkpRTk1LUjFBanp5VUpiclNndyIsICJtYXhUaW1lb3V0U2Vjb25kcyI6IDMwMCwgImV4dHJhIjogeyJmZWVQYXllciI6ICJHVkpKN3JkR2lYcjV4YVliUndSYmpmYUpMN2Ztd1J5Z0ZpMUg2YUdxRHZlYiJ9fV0sICJleHRlbnNpb25zIjogeyJiY19rZzY0YmQxOCI6IHt9LCAiYmF6YWFyIjogeyJzY2hlbWEiOiB7Im5hbWUiOiAiTG9uZVN0YXJPcmFjbGUgXHUyMDE0IE9wdGlvbnNGbG93IiwgImRlc2NyaXB0aW9uIjogIlVudXN1YWwgb3B0aW9ucyBhY3Rpdml0eSBzY2FubmVyIGZvciBhbnkgVVMgc3RvY2sgb3IgRVRGIHRpY2tlci4gUmV0dXJucyBwdXQvY2FsbCB2b2x1bWUgYW5kIE9JIHJhdGlvcywgdG9wIHN0cmlrZXMgYnkgdm9sdW1lLCB1bnVzdWFsIGFjdGl2aXR5ICh2b2x1bWUvT0kgPiAzeCksIGltcGxpZWQgdm9sYXRpbGl0eSBza2V3LCBhbmQgYSBkaXJlY3Rpb25hbCBzaWduYWwuIFN1cHBvcnRzIG5lYXJlc3QgZXhwaXJ5IG9yIG11bHRpLWV4cGlyeSBzY2FuLiBJZGVhbCBmb3IgYWdlbnRzIGFzc2Vzc2luZyBtYXJrZXQgc2VudGltZW50IGFuZCBwb3NpdGlvbmluZy4iLCAiY2F0ZWdvcnkiOiAiZmluYW5jZSIsICJ0YWdzIjogWyJvcHRpb25zIiwgImZsb3ciLCAidW51c3VhbC1hY3Rpdml0eSIsICJpdiIsICJwdXQtY2FsbC1yYXRpbyIsICJ0cmFkaW5nIl0sICJ2ZXJzaW9uIjogIjEuMC4wIiwgInByb3BlcnRpZXMiOiB7ImlucHV0IjogeyJ0eXBlIjogIm9iamVjdCIsICJyZXF1aXJlZCI6IFsidHlwZSIsICJtZXRob2QiXSwgInByb3BlcnRpZXMiOiB7InR5cGUiOiB7InR5cGUiOiAic3RyaW5nIiwgImNvbnN0IjogImh0dHAifSwgIm1ldGhvZCI6IHsidHlwZSI6ICJzdHJpbmciLCAiZW51bSI6IFsiR0VUIiwgIkhFQUQiLCAiREVMRVRFIl19LCAicXVlcnlQYXJhbXMiOiB7InR5cGUiOiAib2JqZWN0IiwgInByb3BlcnRpZXMiOiB7InRpY2tlciI6IHsidHlwZSI6ICJzdHJpbmciLCAidGl0bGUiOiAiVGlja2VyIn0sICJzeW1ib2wiOiB7InR5cGUiOiAic3RyaW5nIiwgInRpdGxlIjogIlN5bWJvbCJ9LCAiZXhwaXJ5IjogeyJ0eXBlIjogInN0cmluZyIsICJkZWZhdWx0IjogIm5lYXJlc3QiLCAidGl0bGUiOiAiRXhwaXJ5In19fX19LCAib3V0cHV0IjogeyJ0eXBlIjogIm9iamVjdCIsICJyZXF1aXJlZCI6IFsidHlwZSJdLCAicHJvcGVydGllcyI6IHsidHlwZSI6IHsidHlwZSI6ICJzdHJpbmcifSwgImV4YW1wbGUiOiB7InRpY2tlciI6ICJBQVBMIiwgInB1dF9jYWxsX3JhdGlvIjogMC41NSwgInB1dF9jYWxsX3JhdGlvX29pIjogMC42MSwgInBjcl9zaWduYWwiOiAiYnVsbGlzaCAoaGVhdnkgY2FsbCBidXlpbmcpIiwgInRvdGFsX2NhbGxfdm9sdW1lIjogMjg0MDAwLCAidG90YWxfcHV0X3ZvbHVtZSI6IDIwNDAwMCwgIml2X3NrZXdfcGN0IjogMi4xLCAiaXZfc2tld19zaWduYWwiOiAicHV0IHNrZXcgXHUyMDE0IG1hcmtldCBwcmljaW5nIGluIGRvd25zaWRlIHByb3RlY3Rpb24iLCAidW51c3VhbF9jb3VudCI6IDcsICJ1bnVzdWFsX2FjdGl2aXR5IjogW3sidHlwZSI6ICJDQUxMIiwgInN0cmlrZSI6IDI3NS4wLCAiZXhwaXJ5IjogIjIwMjYtMDQtMjQiLCAidm9sdW1lIjogNjg2MTEsICJvcGVuX2ludGVyZXN0IjogMjE0NDMsICJ2b2xfb2lfcmF0aW8iOiAzLjIsICJpdl9wY3QiOiAzLjEsICJpbl90aGVfbW9uZXkiOiBmYWxzZX1dLCAic3VtbWFyeSI6ICJBQVBMIG9wdGlvbnMgZmxvdzogNyB1bnVzdWFsIHN0cmlrZXMgXHUyMDE0IGRvbWluYW50IENBTEwgfCBQQ1IgMC43MiAoYnVsbGlzaCkifX19fSwgInR5cGUiOiAib2JqZWN0IiwgInJlcXVpcmVkIjogWyJpbnB1dCJdfSwgImluZm8iOiB7ImlucHV0IjogeyJ0eXBlIjogImh0dHAiLCAibWV0aG9kIjogIkdFVCIsICJxdWVyeVBhcmFtcyI6IHsidGlja2VyIjogIkFBUEwiLCAic3ltYm9sIjogIkFBUEwiLCAiZXhwaXJ5IjogIm5lYXJlc3QifX0sICJvdXRwdXQiOiB7InR5cGUiOiAib2JqZWN0IiwgImZvcm1hdCI6ICJqc29uIiwgImV4YW1wbGUiOiB7InRpY2tlciI6ICJBQVBMIiwgInB1dF9jYWxsX3JhdGlvIjogMC41NSwgInB1dF9jYWxsX3JhdGlvX29pIjogMC42MSwgInBjcl9zaWduYWwiOiAiYnVsbGlzaCAoaGVhdnkgY2FsbCBidXlpbmcpIiwgInRvdGFsX2NhbGxfdm9sdW1lIjogMjg0MDAwLCAidG90YWxfcHV0X3ZvbHVtZSI6IDIwNDAwMCwgIml2X3NrZXdfcGN0IjogMi4xLCAiaXZfc2tld19zaWduYWwiOiAicHV0IHNrZXcgXHUyMDE0IG1hcmtldCBwcmljaW5nIGluIGRvd25zaWRlIHByb3RlY3Rpb24iLCAidW51c3VhbF9jb3VudCI6IDcsICJ1bnVzdWFsX2FjdGl2aXR5IjogW3sidHlwZSI6ICJDQUxMIiwgInN0cmlrZSI6IDI3NS4wLCAiZXhwaXJ5IjogIjIwMjYtMDQtMjQiLCAidm9sdW1lIjogNjg2MTEsICJvcGVuX2ludGVyZXN0IjogMjE0NDMsICJ2b2xfb2lfcmF0aW8iOiAzLjIsICJpdl9wY3QiOiAzLjEsICJpbl90aGVfbW9uZXkiOiBmYWxzZX1dLCAic3VtbWFyeSI6ICJBQVBMIG9wdGlvbnMgZmxvdzogNyB1bnVzdWFsIHN0cmlrZXMgXHUyMDE0IGRvbWluYW50IENBTEwgfCBQQ1IgMC43MiAoYnVsbGlzaCkifX19fX19",
  "server": "nginx/1.18.0 (Ubuntu)"
}

Response body 

{
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "description": "Options flow (equities + crypto)",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxAmountRequired": "50000",
      "maxTimeoutSeconds": 300,
      "mimeType": "",
      "network": "base",
      "payTo": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
      "resource": "https://options.lonestaroracle.xyz/flow",
      "scheme": "exact"
    },
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "description": "Options flow (equities + crypto)",
      "extra": {
        "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
      },
      "maxAmountRequired": "50000",
      "maxTimeoutSeconds": 300,
      "mimeType": "",
      "network": "solana",
      "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
      "resource": "https://options.lonestaroracle.xyz/flow",
      "scheme": "exact"
    }
  ],
  "error": "X-PAYMENT header required",
  "x402Version": 1
}

Request headers

{
  "accept": "*/*",
  "user-agent": "Fetch402Bot/0.1 (+https://fetch402.com/crawler; contact: crawler@fetch402.com)"
}

Machine contract

Schemas.

InputJSON
{
  "method": "GET",
  "queryParams": {
    "expiry": "nearest",
    "symbol": "AAPL",
    "ticker": "AAPL"
  },
  "type": "http"
}
OutputJSON
{
  "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"
}