# Retrieve all supported countries.

Retrieve all supported countries.

Endpoint: GET /countries
Version: 2.0.0

## Query parameters:

  - `page` (integer)
    Page number
    Example: 1

  - `page_size` (integer)
    Number of items per page. The maximum allowed value is 500. The default value is 50.
    Example: 10

## Response 200 fields (application/json):

  - `data` (array, required)

  - `data.code` (string, required)
    The ISO 3166-1 alpha-2 country code or the customized country code.
    Example: "US"

  - `data.name` (string, required)
    Example: "United States"

  - `data.states` (array,null)

  - `data.states.code` (string, required)
    Example: "CA"

  - `data.states.name` (string, required)
    Example: "California"

## Response default fields (application/json):

  - `message` (string)