.NET Marketstack API

marketstack is a JSON-based REST API for real-time, intraday and historical stock market data, supporting 125,000+ stock ticker symbols from 72+ worldwide stock exchanges. The API was built upon powerful apilayer cloud infrastructure, handling any volume with ease - from a few API requests per day all the way to millions of calls per minute.

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Supported Stock Market Data

• 125.000+ Stock Tickers
• 72+ Stock Exchanges
• 50+ Countries

In-depth Documentation

An in-depth API documentation, including interactive code examples and extensive descriptions can be found at marketstack.com/documentation

Usage

Initialize MarketstackService:

    var options = Options.Create(new MarketstackOptions() { ApiToken = "apiToken"});
    var marketstackService = new MarketstackService(options, NullLogger<MarketstackService>.Instance);    

GetExchanges:

    var exchanges = await marketstackService.GetExchanges();

GetExchangeStocks:

    var nasdaqMic = "XNAS";
    var stocks = await marketstackService.GetExchangeStocks(nasdaqMic);

GetStockEodBars:

    var appleSymbol = "AAPL";
    var fromDate = DateTime.Now.AddDays(-200);
    var toDate = DateTime.Now;
    var bars = await marketstackService.GetStockEodBars(appleSymbol, fromDate, toDate);      

Parallel Requests:

Parallel requests are supported using the Throttling Libary that allows limiting the number of requests per second.

    var options = Options.Create(new MarketstackOptions() { ApiToken = apiKey, MaxRequestsPerSecond = 3, Https = true });
    var marketstackService = new MarketstackService(options, NullLogger<MarketstackService>.Instance);
    List<string> symbols = new List<string>() { "AAPL", "MSFT", "GOOG", "VOD", "NVDA", "NFLX", "PEP", "NOW", "VEEV", "MOH" };
    var fromDate = new DateTime(2017, 9, 1);
    var toDate = DateTime.Now;
    var tasks = symbols.Select(async (symbol) => await marketstackService.GetStockEodBars(symbol, fromDate, toDate));
    var stocksBars = await Task.WhenAll(tasks);

Tests

Before running the tests, the ApiToken should be set using:

setx ASPNETCORE_MarketstackApiToken {Your_Api_Token} /M

Legal

All usage of the marketstack website, API, and services is subject to the marketstack Terms & Conditions and all annexed legal documents and agreements.