# Get sub-merchant balance

Get the current balance for a specific sub-merchant

Endpoint: GET /merchants/{merchantId}/balance
Version: 1.0.0
Security: ApiKeyAuth

## Path parameters:

  - `merchantId` (string, required)
    The unique identifier for the sub-merchant
    Example: "mrc_3bbb4fe7-4c25-45b2-a363-c8db8c0084b9"

## Query parameters:

  - `currency` (string)
    The currency code to filter the balance (e.g. USD, EUR). If not provided, returns balance in all currencies.
    Example: "USD"

## Response 200 fields (application/json):

  - `balance` (object)
    A map of currency codes to their respective balances
    Example: {"USD":1000,"EUR":500}

  - `currency` (string)
    The currency code of the balance (if a specific currency was requested)
    Example: "USD"


## Response 401 fields

## Response 404 fields

## Response 500 fields