# Check if customer usage by charging unit type information exists

Count usage quantities grouped by charging unit type

Endpoint: HEAD /customer-usage-by-charging-unit-type-summaries
Version: 1.49
Security: bearerAuth

## Query parameters:

  - `customerId` (string, required)
    Required filter by customer
    Example: "0"

  - `billRunId` (string)
    Optional filter by bill run
    Example: "0"

  - `chargingUnitType` (string)
    Optional filter by charge unit type
    Example: "xyz | in:x,y | like:xyz"


## Response 200 fields

## Response 400 fields

## Response 401 fields

## Response 403 fields

## Response 404 fields