Implement Currencies Endpoint

[Reuben Wong]

Description:

Using the currencies API endpoint you will be able to look up all currencies supported by the marketstack API.

HTTP Get Request Parameters:

Object	Description
access_key	[Required] Specify your API access key, available in your account dashboard.
limit	[Optional] Specify a pagination limit (number of results per page) for your API request. Default limit value is 100, maximum allowed limit value is 1000.
offset	[Optional] Specify a pagination offset value for your API request. Example: An offset value of 100 combined with a limit value of 10 would show results 100-110. Default value is 0, starting with the first available result.

API Response:

{
    "pagination": {
        "limit": 100,
        "offset": 0,
        "count": 40,
        "total": 40
    },
    "data": [
        {
            "code": "USD",
            "name": "US Dollar",
            "symbol": "$",
            "symbol_native": "$",
        },
        [...]
    ]
}

API Response Objects

Response Object	Description
pagination > limit	Returns your pagination limit value.
pagination > offset	Returns your pagination offset value.
pagination > count	Returns the results count on the current page.
pagination > total	Returns the total count of results available.
code	Returns the 3-letter code of the given currency.
name	Returns the name of the given currency.
symbol	Returns the text symbol of the given currency.
symbol_native	Returns the native text symbol of the given currency.

[Reuben Wong]

Note that symbol_native seems to have been dropped from the API response.