> ## 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.

# CoverageResponse Schema

> Overall coverage response. Includes required fields, field types, schema references, and generated JSON details from the 0xArchive OpenAPI contract.

Source OpenAPI: 0xArchive API 1.5.0; 140 paths; 119 component schemas.

Overall coverage response

## 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": "CoverageResponse",
  "description": "Overall coverage response",
  "type": "object",
  "properties": {
    "exchanges": {
      "description": "Coverage entries for supported venue-family keys. The response field remains named `exchanges` in the API contract.",
      "type": "array",
      "items": {
        "description": "Coverage for one supported venue-family key.",
        "type": "object",
        "properties": {
          "data_types": {
            "type": "object",
            "additionalProperties": {
              "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"
                }
              }
            }
          },
          "exchange": {
            "description": "Exchange name",
            "type": "string"
          }
        }
      }
    }
  }
}
```

## Referenced By

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