# Update Item

Updates an item.

Endpoint: PUT /items/{item_id}.json
Version: 2.0.0
Security: apiKeyAuth

## Path parameters:

  - `item_id` (string, required)
    ID of the item.
    Example: "12345"

## Query parameters:

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

## Request fields (application/json):

  - `item` (object, required)

  - `item.name` (string, required)
    Example: "Item name"

  - `item.description` (string, required)
    Example: "Item description"

  - `item.unit_price` (number, required)
    Example: 9.99

  - `item.unit` (string)
    Example: "service"

  - `item.tax` (object)

## Response 401 fields (application/json):

  - `errors` (object)

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

## Response 422 fields (application/json):

  - `errors` (array)
    Lista de objetos contendo mensagens de erro detalhadas.
    Example: [{"error":"Name is not available."},{"error":"Name can't be changed because it is already associated with invoices"},{"error":"Price is not valid. Check the decimal mark and if you are inserting only numbers."}]

  - `errors.error` (string)


## Response 200 fields

## Response 404 fields