> ## 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.

# SymbolEntry Schema

> Public market symbol entry. Includes required fields, field types, schema references, and generated JSON details from the 0xArchive OpenAPI contract.

Source OpenAPI: 0xArchive API 1.6.1; 147 paths; 128 component schemas.

Public market symbol entry.

## Required Fields

| Field        | Type           | Description                                 |
| ------------ | -------------- | ------------------------------------------- |
| `data_types` | array\<string> | Defined by the generated JSON Schema block. |
| `exchange`   | string         | Venue-family key.                           |
| `symbol`     | string         | Defined by the generated JSON Schema block. |

## JSON Schema

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "SymbolEntry",
  "description": "Public market symbol entry.",
  "type": "object",
  "required": [
    "data_types",
    "exchange",
    "symbol"
  ],
  "properties": {
    "coverage_by_type": {
      "type": "object",
      "additionalProperties": {
        "type": "string",
        "format": "date-time"
      }
    },
    "coverage_from": {
      "type": "string",
      "format": "date-time",
      "nullable": true
    },
    "coverage_to": {
      "type": "string",
      "format": "date-time",
      "nullable": true
    },
    "data_types": {
      "type": "array",
      "items": {
        "type": "string"
      },
      "example": [
        "l2_orderbook",
        "trades",
        "liquidations"
      ]
    },
    "display_title": {
      "type": "string",
      "nullable": true
    },
    "exchange": {
      "description": "Venue-family key.",
      "type": "string",
      "example": "hyperliquid"
    },
    "is_active": {
      "type": "boolean",
      "nullable": true
    },
    "is_settled": {
      "type": "boolean",
      "nullable": true
    },
    "outcome_pair": {
      "type": "array",
      "nullable": true,
      "items": {
        "type": "string"
      },
      "minItems": 2,
      "maxItems": 2
    },
    "size_per_day": {
      "type": "object",
      "additionalProperties": {
        "type": "number"
      }
    },
    "slug": {
      "description": "HIP-4 slug when available.",
      "type": "string",
      "nullable": true
    },
    "symbol": {
      "type": "string",
      "example": "BTC"
    }
  },
  "additionalProperties": false
}
```

## Referenced By

Use this shared schema with the generated component index and route-specific endpoint pages during implementation.