This question runs in a pre-configured Salesforce environment - no personal connection required.

Fetch a country's currency name from the REST Countries API by searching for the country name and extracting the currency field from the response. Use the endpoint: https://restcountries.com/v3.1/name/{countryName}

Examples:

Input: countryName = "USA" Output: "United States dollar" Explanation: The API returns country data with currencies containing "United States dollar" Input: countryName = "Japan" Output: "Japanese yen" Explanation: The API returns country data with currencies containing "Japanese yen"
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