> ## 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.

# DataTypeCoverage Schema

> Coverage for a data type. Includes required fields, field types, schema references, and generated JSON details from the 0xArchive OpenAPI contract.

Source OpenAPI: 0xArchive API 1.8.0; 227 paths; 217 component schemas.

Coverage for a data type

## Required Fields

No required fields are declared on this component schema.

## JSON Schema

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "DataTypeCoverage",
  "description": "Coverage for a data type",
  "type": "object",
  "properties": {
    "completeness": {
      "description": "Completeness percentage (0-100)",
      "type": "number"
    },
    "earliest": {
      "description": "Earliest available data timestamp",
      "type": "string",
      "format": "date-time"
    },
    "lag": {
      "description": "Current data lag",
      "type": "string",
      "nullable": true
    },
    "latest": {
      "description": "Latest available data timestamp",
      "type": "string",
      "format": "date-time"
    },
    "resolution": {
      "description": "Data resolution (e.g., '1.2s', '1m')",
      "type": "string",
      "nullable": true
    },
    "symbols": {
      "description": "Number of symbols with data",
      "type": "integer"
    },
    "total_records": {
      "description": "Total number of records",
      "type": "integer",
      "format": "int64"
    }
  }
}
```

## Components using this schema

* [ExchangeCoverageResponse](/schemas/components/exchange-coverage-response)

## Referenced By

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

## Operations using this component transitively

* [`GET /v1/data-quality/coverage`](/schemas/operations/get-data-quality-coverage)
* [`GET /v1/data-quality/coverage/{exchange}`](/schemas/operations/get-exchange-coverage)
* [`GET /v1/status/coverage`](/schemas/operations/get-public-coverage-status)


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