> ## 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.

# List Lighter on Robinhood Chain instruments JSON Schema

> List Lighter on Robinhood Chain instruments JSON Schema contract. Includes route metadata, schemas, examples, and implementation notes.

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

List every Lighter on Robinhood Chain market with its specification: 84 USDG-quoted markets, 57 perpetuals (`market_type: perp`, uppercase symbols such as BTC) and 27 spot pairs (`market_type: spot`, dashed symbols such as AAPL-USDG). Returns `LighterInstrument` objects with fees, market IDs, and minimum order amounts. Symbols can match Lighter mainnet symbols but name different markets.

## Route Metadata

| Field | Value |
| - | - |
| Method | `GET` |
| Path | `/v1/rh-lighter/instruments` |
| operationId | `listRhLighterInstruments` |
| Tag | Lighter on Robinhood Chain - Instruments |
| Family | Lighter on Robinhood Chain |
| Deprecated or legacy | no |

## Response Contracts

### Status 200

List of Lighter instruments

#### application/json

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "listRhLighterInstruments response 200",
  "type": "object",
  "properties": {
    "data": {
      "type": "array",
      "items": {
        "description": "Trading instrument specification (Lighter). Different schema from Hyperliquid Instrument.",
        "type": "object",
        "required": [
          "is_active",
          "liquidation_fee",
          "maker_fee",
          "market_id",
          "market_type",
          "min_base_amount",
          "min_quote_amount",
          "price_decimals",
          "quote_decimals",
          "size_decimals",
          "status",
          "symbol",
          "taker_fee"
        ],
        "properties": {
          "is_active": {
            "description": "Whether the instrument is currently tradeable",
            "type": "boolean",
            "example": true
          },
          "liquidation_fee": {
            "description": "Liquidation fee rate",
            "type": "number",
            "example": 0.005
          },
          "maker_fee": {
            "description": "Maker fee rate (can be negative for rebates)",
            "type": "number",
            "example": 0.0001
          },
          "market_id": {
            "description": "Unique market identifier",
            "type": "integer",
            "example": 0
          },
          "market_type": {
            "description": "Type of market",
            "type": "string",
            "enum": [
              "perp",
              "spot"
            ],
            "example": "perp"
          },
          "min_base_amount": {
            "description": "Minimum order size in base currency",
            "type": "number",
            "example": 0.001
          },
          "min_quote_amount": {
            "description": "Minimum order value in quote currency",
            "type": "number",
            "example": 1
          },
          "price_decimals": {
            "description": "Price decimal precision",
            "type": "integer",
            "example": 2
          },
          "quote_decimals": {
            "description": "Quote currency decimal precision",
            "type": "integer",
            "example": 6
          },
          "size_decimals": {
            "description": "Size decimal precision",
            "type": "integer",
            "example": 4
          },
          "status": {
            "description": "Market status",
            "type": "string",
            "enum": [
              "active",
              "inactive",
              "delisted"
            ],
            "example": "active"
          },
          "symbol": {
            "description": "Instrument symbol",
            "type": "string",
            "example": "ETH"
          },
          "taker_fee": {
            "description": "Taker fee rate (e.g., 0.0004 = 0.04%)",
            "type": "number",
            "example": 0.0004
          }
        }
      }
    },
    "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 401

Authentication required

#### application/json

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "listRhLighterInstruments 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 429

Rate limit exceeded

#### application/json

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "listRhLighterInstruments 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"
}
```