# Update Initial Balance

Updates the initial balance of a specific client.

Endpoint: PUT /api/v3/clients/{client_id}/initial_balance.json
Version: 2.0.0
Security: apiKeyAuth

## Path parameters:

  - `client_id` (string, required)
    ID of the client.
    Example: "12345"

## Query parameters:

  - `api_key` (string, required)
    Your API Key.
    Example: "YOUR_API_KEY"

## Request fields (application/json):

  - `initial_balance` (object, required)

  - `initial_balance.value` (number, required)
    Example: 123.45

  - `initial_balance.date` (string, required)
    Example: "2023-05-19"

  - `initial_balance.observation` (string)
    Example: "null"

## Response 200 fields (application/json):

  - `initial_balance` (object)

  - `initial_balance.value` (number)
    Example: 123.45

  - `initial_balance.date` (string)
    Example: "2023-05-19"

  - `initial_balance.observation` (string)
    Example: "null"

## Response 401 fields (application/json):

  - `errors` (object)

  - `errors.error` (string)
    Example: "Invalid API key"

## Response 404 fields (application/json):

  - `errors` (array)
    Lista de erros retornada quando o cliente não é encontrado.
    Example: [{"error":"Client not found"}]

  - `errors.error` (string)

## Response 422 fields (application/json):

  - `errors` (array)
    Lista de erros de validação do saldo inicial.
    Example: [{"error":"Date can't be blank"}]

  - `errors.error` (string)