FETCH402
← Protocol index

Resource / 329

healthy

OpenInterest.

GET https://oi.lonestaroracle.xyz/oi ↗

Full OI report — all assets, all exchanges, 5-min delta

Eligibility
probeable
Failures
0
Last quote
2026-08-12 22:47:37 UTC
Last probe
2026-08-12 22:47:37 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 22:47:37 UTC GET · HTTP 402 · 12ms · accepts 2 · base 1 ok
Request
GET https://oi.lonestaroracle.xyz/oi
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": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
    },
    "maxTimeoutSeconds": 300,
    "network": "solana:5eykt4usfv8p8njdtrepy1vzqkqzkvdp",
    "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
    "paymentFlow": null,
    "raw": {
      "amount": "50000",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
      },
      "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": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM"
      },
      "maxTimeoutSeconds": 300,
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
      "scheme": "exact"
    }
  ],
  "error": "Payment required",
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "type": "http"
        },
        "output": {
          "example": {
            "assets": [
              {
                "asset": "BTC",
                "delta_pct": 1.2,
                "dominant": "hyperliquid",
                "oi_usd": 1300000000
              }
            ],
            "signal": "ACCUMULATING",
            "total_oi_usd": 2400000000
          },
          "format": "json",
          "type": "object"
        }
      },
      "schema": {
        "category": "trading",
        "description": "Perp futures open interest across OKX, Hyperliquid, dYdX for BTC/ETH/SOL/AVAX/LINK/ARB. Signal-first: ACCUMULATING/DELEVERAGING/MIXED. USD totals, per-exchange breakdown, 5-min OI delta, dominant exchange. 5-min cache. Pairs with FundingRates for full positioning picture.",
        "name": "LoneStarOracle — OpenInterest",
        "properties": {
          "input": {
            "properties": {
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {},
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "assets": [
                  {
                    "asset": "BTC",
                    "delta_pct": 1.2,
                    "dominant": "hyperliquid",
                    "oi_usd": 1300000000
                  }
                ],
                "signal": "ACCUMULATING",
                "total_oi_usd": 2400000000
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "tags": [
          "open-interest",
          "oi",
          "perps",
          "futures",
          "positioning",
          "crypto",
          "trading"
        ],
        "type": "object",
        "version": "1.0.0"
      }
    },
    "bc_kg64bd18": {}
  },
  "resource": {
    "description": "Full OI report — all assets, all exchanges, 5-min delta",
    "iconUrl": "https://lonestaroracle.xyz/lso_logo.svg",
    "mimeType": "",
    "serviceName": "OpenInterest",
    "tags": [
      "open-interest",
      "oi",
      "perps",
      "futures",
      "positioning"
    ],
    "url": "https://oi.lonestaroracle.xyz/oi"
  },
  "x402Version": 2
}

Response headers

{
  "connection": "keep-alive",
  "content-length": "787",
  "content-type": "application/json",
  "date": "Wed, 12 Aug 2026 22:47:37 GMT",
  "payment-required": "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",
  "server": "nginx/1.18.0 (Ubuntu)"
}

Response body 

{
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "description": "Open interest, extremes & signal",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "maxAmountRequired": "50000",
      "maxTimeoutSeconds": 300,
      "mimeType": "",
      "network": "base",
      "payTo": "0x52Ab53912D37759B2ad364f22dD06B16714b6C06",
      "resource": "https://oi.lonestaroracle.xyz/oi",
      "scheme": "exact"
    },
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "description": "Open interest, extremes & signal",
      "extra": {
        "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F"
      },
      "maxAmountRequired": "50000",
      "maxTimeoutSeconds": 300,
      "mimeType": "",
      "network": "solana",
      "payTo": "3nmeVj5m9Uq2hSTfsVsn3tJMHRJQNMKR1AjzyUJbrSgw",
      "resource": "https://oi.lonestaroracle.xyz/oi",
      "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",
  "type": "http"
}
OutputJSON
{
  "example": {
    "assets": [
      {
        "asset": "BTC",
        "delta_pct": 1.2,
        "dominant": "hyperliquid",
        "oi_usd": 1300000000
      }
    ],
    "signal": "ACCUMULATING",
    "total_oi_usd": 2400000000
  },
  "format": "json",
  "type": "object"
}