# Check if Call Class exists

Endpoint: HEAD /call-classes
Version: 1.12
Security: bearerAuth

## Query parameters:

  - `callClass` (string)
    Check by call class
    Example: "xyz | in:x,y | like:xyz"

  - `referenceDataSourceChargeGroupId` (string)
    Check by a particular reference data source charge group id
    Example: "0"

  - `startDate` (string)
    Check for call class based on start date
    Example: "yyyy-MM-dd | lt:yyyy-MM-dd | gt:yyyy-MM-dd | gtn:yyyy-MM-dd"

  - `endDate` (string)
    Check for call class based on end date
    Example: "yyyy-MM-dd | lt:yyyy-MM-dd | gt:yyyy-MM-dd | gtn:yyyy-MM-dd"


## Response 200 fields

## Response 400 fields

## Response 401 fields

## Response 403 fields

## Response 404 fields