> ## Documentation Index
> Fetch the complete documentation index at: https://docs.0xarchive.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Get current Lighter on Robinhood Chain open interest JSON Schema

> Get current Lighter on Robinhood Chain open interest JSON Schema contract. Includes route metadata, schemas, examples, and implementation notes.

Source OpenAPI: 0xArchive API 1.7.0; 218 paths; 210 component schemas.

Get the latest Lighter on Robinhood Chain open interest value for a perpetual market.

## Route Metadata

| Field | Value |
| - | - |
| Method | `GET` |
| Path | `/v1/rh-lighter/openinterest/{symbol}/current` |
| operationId | `getCurrentRhLighterOpenInterest` |
| Tag | Lighter on Robinhood Chain - Open Interest |
| Family | Lighter on Robinhood Chain |
| Deprecated or legacy | no |

## Request Parameters

### Path Parameters

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getCurrentRhLighterOpenInterest path parameters",
  "type": "object",
  "required": [
    "symbol"
  ],
  "properties": {
    "symbol": {
      "description": "Perpetual market symbol on Lighter on Robinhood Chain (uppercase, e.g. BTC). Spot pairs have no open interest, funding, or liquidations.",
      "type": "string",
      "example": "BTC",
      "x-parameter-location": "path"
    }
  }
}
```

## Response Contracts

### Status 200

Current open interest

#### application/json

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getCurrentRhLighterOpenInterest response 200",
  "type": "object",
  "properties": {
    "data": {
      "description": "Open interest snapshot with market context",
      "type": "object",
      "required": [
        "coin",
        "open_interest",
        "symbol",
        "timestamp"
      ],
      "properties": {
        "coin": {
          "description": "Trading pair symbol (deprecated, use symbol instead)",
          "type": "string",
          "deprecated": true,
          "example": "BTC"
        },
        "day_ntl_volume": {
          "description": "24-hour notional volume",
          "type": "string",
          "nullable": true,
          "example": "10000000.00"
        },
        "impact_ask_price": {
          "description": "Impact ask price for liquidations",
          "type": "string",
          "nullable": true
        },
        "impact_bid_price": {
          "description": "Impact bid price for liquidations",
          "type": "string",
          "nullable": true
        },
        "mark_price": {
          "description": "Mark price used for liquidations",
          "type": "string",
          "nullable": true,
          "example": "42500.50"
        },
        "mid_price": {
          "description": "Current mid price",
          "type": "string",
          "nullable": true,
          "example": "42500.75"
        },
        "open_interest": {
          "description": "Total open interest in contracts",
          "type": "string",
          "example": "500000.00"
        },
        "oracle_price": {
          "description": "Oracle price from external feed",
          "type": "string",
          "nullable": true,
          "example": "42498.25"
        },
        "prev_day_price": {
          "description": "Price 24 hours ago",
          "type": "string",
          "nullable": true,
          "example": "42000.00"
        },
        "symbol": {
          "description": "Trading pair symbol",
          "type": "string",
          "example": "BTC"
        },
        "timestamp": {
          "description": "Snapshot timestamp (UTC)",
          "type": "string",
          "format": "date-time",
          "example": "2025-01-21T10:30:00.000Z"
        }
      }
    },
    "meta": {
      "description": "Response metadata",
      "type": "object",
      "properties": {
        "count": {
          "description": "Number of records returned",
          "type": "integer"
        },
        "coverage_from": {
          "description": "Earliest coverage for the requested symbol and data type. Present only when the requested window ends before coverage begins.",
          "type": "string",
          "format": "date-time"
        },
        "next_cursor": {
          "description": "Cursor for pagination (timestamp). Use this value as the `cursor` parameter to fetch the next page of results.",
          "type": "string",
          "nullable": true
        },
        "notice": {
          "description": "Human-readable advisory about the response. Used when the requested window ends before coverage begins for the symbol, and on CVD responses that are one page of several; may carry other advisories in future.",
          "type": "string"
        },
        "request_id": {
          "description": "Unique request ID for support",
          "type": "string",
          "format": "uuid"
        }
      }
    },
    "success": {
      "type": "boolean",
      "example": true
    }
  }
}
```

### Status 400

Invalid request

#### application/json

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getCurrentRhLighterOpenInterest response 400",
  "description": "Error response",
  "type": "object",
  "properties": {
    "code": {
      "description": "HTTP status code",
      "type": "integer"
    },
    "error": {
      "description": "Error message",
      "type": "string"
    },
    "error_code": {
      "description": "Machine-readable error code. Common values: `invalid_query_params` (a query parameter failed to parse or validate) and `invalid_path_params` (a path parameter failed to parse). Other endpoint-specific codes exist; treat unknown codes as generic errors of the given HTTP status.",
      "type": "string"
    },
    "request_id": {
      "description": "Unique request ID for support",
      "type": "string",
      "format": "uuid"
    }
  }
}
```

##### OpenAPI example

```json theme={"theme":"github-dark"}
{
  "code": 400,
  "error": "Failed to deserialize query string: limit: invalid digit found in string",
  "error_code": "invalid_query_params",
  "request_id": "3f2a9c71-5b0e-4d68-9a4c-7e1d2b6f8a05"
}
```

### Status 401

Authentication required

#### application/json

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getCurrentRhLighterOpenInterest response 401",
  "description": "Error response",
  "type": "object",
  "properties": {
    "code": {
      "description": "HTTP status code",
      "type": "integer"
    },
    "error": {
      "description": "Error message",
      "type": "string"
    },
    "error_code": {
      "description": "Machine-readable error code. Common values: `invalid_query_params` (a query parameter failed to parse or validate) and `invalid_path_params` (a path parameter failed to parse). Other endpoint-specific codes exist; treat unknown codes as generic errors of the given HTTP status.",
      "type": "string"
    },
    "request_id": {
      "description": "Unique request ID for support",
      "type": "string",
      "format": "uuid"
    }
  }
}
```

##### OpenAPI example

```json theme={"theme":"github-dark"}
{
  "code": 401,
  "error": "Missing or invalid API key. Provide X-API-Key header."
}
```

### Status 404

Resource not found

#### application/json

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getCurrentRhLighterOpenInterest response 404",
  "description": "Error response",
  "type": "object",
  "properties": {
    "code": {
      "description": "HTTP status code",
      "type": "integer"
    },
    "error": {
      "description": "Error message",
      "type": "string"
    },
    "error_code": {
      "description": "Machine-readable error code. Common values: `invalid_query_params` (a query parameter failed to parse or validate) and `invalid_path_params` (a path parameter failed to parse). Other endpoint-specific codes exist; treat unknown codes as generic errors of the given HTTP status.",
      "type": "string"
    },
    "request_id": {
      "description": "Unique request ID for support",
      "type": "string",
      "format": "uuid"
    }
  }
}
```

##### OpenAPI example

```json theme={"theme":"github-dark"}
{
  "code": 404,
  "error": "Resource not found"
}
```

### Status 429

Rate limit exceeded

#### application/json

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getCurrentRhLighterOpenInterest response 429",
  "description": "Error response",
  "type": "object",
  "properties": {
    "code": {
      "description": "HTTP status code",
      "type": "integer"
    },
    "error": {
      "description": "Error message",
      "type": "string"
    },
    "error_code": {
      "description": "Machine-readable error code. Common values: `invalid_query_params` (a query parameter failed to parse or validate) and `invalid_path_params` (a path parameter failed to parse). Other endpoint-specific codes exist; treat unknown codes as generic errors of the given HTTP status.",
      "type": "string"
    },
    "request_id": {
      "description": "Unique request ID for support",
      "type": "string",
      "format": "uuid"
    }
  }
}
```

##### OpenAPI example

```json theme={"theme":"github-dark"}
{
  "code": 429,
  "error": "Rate limit exceeded"
}
```