# Update Client

Updates a client.

Endpoint: PUT /clients/{client_id}.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):

  - `client` (object, required)

  - `client.name` (string, required)
    Example: "Client Name"

  - `client.code` (string, required)
    Example: "12345"

  - `client.email` (string)
    Example: "foo@bar.com"

  - `client.language` (string)
    Enum: "en", "pt", "es"

  - `client.address` (string)
    Example: "Avenida da República, Lisboa"

  - `client.city` (string)
    Example: "Lisboa"

  - `client.postal_code` (string)
    Example: "1050-555"

  - `client.country` (string)
    Example: "Portugal"

  - `client.fiscal_id` (string)
    Example: "508025338"

  - `client.website` (string)
    Example: "www.invoicexpress.com"

  - `client.phone` (string)
    Example: "213456789"

  - `client.fax` (string)
    Example: "213456788"

  - `client.preferred_contact` (object)
    The preferred contact details.

  - `client.observations` (string)
    Example: "Observations"

  - `client.send_options` (string)
    Enum: "1", "2", "3"

## Response 401 fields (application/json):

  - `errors` (object)

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


## Response 200 fields

## Response 404 fields

## Response 422 fields