OANDA Exchange Rates API client class for C#
This class provides an easy interface to the OANDA Exchange Rates API using C#. The API documentation page has a full reference of all the endpoints. This service requires you to sign up for a trial or paying subscription to obtain an API key.
Include ExchangeRatesAPI.cs to your project.
using System;
using Oanda;
using System.Collections.Generic;
public class OANDAExchangeRates_Main
{
public static void Main(string[] args)
{
// Initializing the API
var api = new ExchangeRates("<API KEY>");
// Example of listing currencies
Console.WriteLine("\n********** Listing Currencies:");
var responseCurrencies = api.GetCurrencies();
if (responseCurrencies.IsSuccessful)
{
foreach (var currency in responseCurrencies.Currencies)
{
Console.WriteLine("{0}:{1}", currency.Code, currency.Description);
}
}
else
{
Console.WriteLine("There was an error with the request: {0}", responseCurrencies.ErrorMessage);
}
// Example of checking RemainingQuotes
var responseRemaingQuotes = api.GetRemainingQuotes();
Console.WriteLine("\n********** Remaining Quotes:");
if (responseRemaingQuotes.IsSuccessful)
{
Console.WriteLine("Remaining quotes: {0}", responseRemaingQuotes.RemainingQuotes);
}
else
{
Console.WriteLine("There was an error with the request: {0}", responseRemaingQuotes.ErrorMessage);
}
// Example of retrieving rates by specifying multiple fields.
var responseGetRatesWithFields = api.GetRates("USD",
quote: "EUR",
start: "2014-01-01",
end: "2014-01-05",
fields: new List<ExchangeRates.RatesFields> { ExchangeRates.RatesFields.Averages, ExchangeRates.RatesFields.Midpoint });
if (responseGetRatesWithFields.IsSuccessful)
{
Console.WriteLine("\n********** Rates - Averages and Midpoints:");
foreach (var quote in responseGetRatesWithFields.Quotes)
{
Console.WriteLine("From {0} to {1}\nQuote:{2} Ask:{3,10} MidPoint:{4,10} Bid:{5,10}",
responseGetRatesWithFields.Meta.EffectiveParams.StartDate.Value.ToShortDateString(),
responseGetRatesWithFields.Meta.EffectiveParams.EndDate.Value.ToShortDateString(),
quote.Key,
quote.Value.Ask,
quote.Value.Midpoint,
quote.Value.Bid);
}
}
else
{
Console.WriteLine("There was an error with the request: {0}", responseGetRatesWithFields.ErrorMessage);
}
// Example of retrieving rates by specifying multiple quotes.
var responseGetRatesForSeveralQuotes = api.GetRates("USD",
quote: new List<string> {"EUR", "CHF"} ,
date: "2014-01-01",
fields: ExchangeRates.RatesFields.Averages);
if (responseGetRatesForSeveralQuotes.IsSuccessful)
{
Console.WriteLine("\n********** Rates for USD/EUR and USD/CHF:");
foreach (var quote in responseGetRatesForSeveralQuotes.Quotes)
{
Console.WriteLine("{0} Quote:{1} Ask:{2,10} Bid:{3,10}",
quote.Value.Date,
quote.Key,
quote.Value.Ask,
quote.Value.Bid);
}
}
else
{
Console.WriteLine("There was an error with the request: {0}", responseGetRatesWithFields.ErrorMessage);
}
Console.ReadKey();
}
}Pedro Melendez <pmelendez@oanda.com>
This software is copyright (c) 2014 by OANDA Corporation and distributed under MIT License.