> ## 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 Lighter on Robinhood Chain order book history JSON Schema

> Get Lighter on Robinhood Chain order book history JSON Schema contract. Includes route metadata, schemas, examples, and implementation notes.

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

Get historical Lighter on Robinhood Chain L2 order book snapshots within a time range with configurable resolution. History starts August 22, 2026 18:43 UTC at every granularity. Use the `granularity` parameter to control data resolution. **Tick-Level Data:** When `granularity=tick`, the response format changes. Instead of returning snapshots in the `data` array, it returns: - `checkpoint`: Full orderbook state at the start of the time range - `deltas`: Array of incremental changes to apply to the checkpoint This is the most efficient format for reconstructing high-frequency orderbook states. Use the SDK's `OrderBookReconstructor` class for client-side reconstruction.

## Route Metadata

| Field | Value |
| - | - |
| Method | `GET` |
| Path | `/v1/rh-lighter/orderbook/{symbol}/history` |
| operationId | `getRhLighterOrderbookHistory` |
| Tag | Lighter on Robinhood Chain - Order Book |
| 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": "getRhLighterOrderbookHistory path parameters",
  "type": "object",
  "required": [
    "symbol"
  ],
  "properties": {
    "symbol": {
      "description": "Market symbol on Lighter on Robinhood Chain. Perpetuals use the uppercase base symbol (BTC); spot pairs are dashed and USDG-quoted (AAPL-USDG). List markets with GET /v1/rh-lighter/instruments.",
      "type": "string",
      "example": "BTC",
      "x-parameter-location": "path"
    }
  }
}
```

### Query Parameters

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getRhLighterOrderbookHistory query parameters",
  "type": "object",
  "properties": {
    "start": {
      "description": "Start timestamp in Unix milliseconds. Defaults to 24h ago.",
      "type": "integer",
      "format": "int64",
      "x-parameter-location": "query"
    },
    "end": {
      "description": "End timestamp in Unix milliseconds. Defaults to now.",
      "type": "integer",
      "format": "int64",
      "x-parameter-location": "query"
    },
    "cursor": {
      "description": "Cursor for pagination",
      "type": "integer",
      "format": "int64",
      "x-parameter-location": "query"
    },
    "limit": {
      "description": "Maximum number of results (default: 100, max: 1000)",
      "type": "integer",
      "default": 100,
      "maximum": 1000,
      "x-parameter-location": "query"
    },
    "depth": {
      "description": "Requested price levels per side. The Lighter native L2 route includes all served levels.",
      "type": "integer",
      "x-parameter-location": "query"
    },
    "granularity": {
      "description": "Data resolution: checkpoint (1min, default), 30s, 10s, 1s, tick. History starts August 22, 2026 18:43 UTC at every granularity. Billed per row returned (about 1 credit per 1,000 rows, minimum 1 credit per request). Higher resolutions return more rows. **Note:** When granularity=tick, the response format changes to return `checkpoint` and `deltas` instead of a `data` array.",
      "type": "string",
      "enum": [
        "checkpoint",
        "30s",
        "10s",
        "1s",
        "tick"
      ],
      "default": "checkpoint",
      "x-parameter-location": "query"
    }
  }
}
```

## Response Contracts

### Status 200

List of order book snapshots

#### application/json

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "getRhLighterOrderbookHistory response 200",
  "type": "object",
  "properties": {
    "data": {
      "type": "array",
      "items": {
        "description": "L2 order book snapshot",
        "type": "object",
        "required": [
          "asks",
          "bids",
          "coin",
          "symbol",
          "timestamp"
        ],
        "properties": {
          "asks": {
            "description": "Ask price levels (best ask first)",
            "type": "array",
            "items": {
              "description": "Single price level in the order book",
              "type": "object",
              "required": [
                "n",
                "px",
                "sz"
              ],
              "properties": {
                "n": {
                  "description": "Number of orders at this level",
                  "type": "integer",
                  "example": 15
                },
                "px": {
                  "description": "Price",
                  "type": "string",
                  "example": "42150.00"
                },
                "sz": {
                  "description": "Total size at this price level",
                  "type": "string",
                  "example": "1.5"
                }
              }
            }
          },
          "bids": {
            "description": "Bid price levels (best bid first)",
            "type": "array",
            "items": {
              "description": "Single price level in the order book",
              "type": "object",
              "required": [
                "n",
                "px",
                "sz"
              ],
              "properties": {
                "n": {
                  "description": "Number of orders at this level",
                  "type": "integer",
                  "example": 15
                },
                "px": {
                  "description": "Price",
                  "type": "string",
                  "example": "42150.00"
                },
                "sz": {
                  "description": "Total size at this price level",
                  "type": "string",
                  "example": "1.5"
                }
              }
            }
          },
          "coin": {
            "description": "Trading pair symbol (deprecated, use symbol instead)",
            "type": "string",
            "deprecated": true,
            "example": "BTC"
          },
          "mid_price": {
            "description": "Mid price (best bid + best ask) / 2",
            "type": "string",
            "example": "42150.50"
          },
          "spread": {
            "description": "Spread in absolute terms (best ask - best bid)",
            "type": "string",
            "example": "1.00"
          },
          "spread_bps": {
            "description": "Spread in basis points",
            "type": "string",
            "example": "2.37"
          },
          "symbol": {
            "description": "Trading pair symbol",
            "type": "string",
            "example": "BTC"
          },
          "timestamp": {
            "description": "Snapshot timestamp (UTC)",
            "type": "string",
            "format": "date-time",
            "example": "2025-01-21T10:30:45.123Z"
          }
        }
      }
    },
    "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": "getRhLighterOrderbookHistory 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": "getRhLighterOrderbookHistory 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": "getRhLighterOrderbookHistory 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"
}
```