C# Broker API for FX Trading

External question — Quantitative Finance Stack Exchange Author: kiriloff Original post: https://quant.stackexchange.com/questions/9271 License: CC BY-SA 3.0 — https://creativecommons.org/licenses/by-sa/3.0/ Adaptation: HTML converted to plain text; contact email addresses removed. I am looking for a broker who provides a free trading API for FX. The goal is to develop at-home algorithms in C# (possibly Qt) to run on a fake portfolio, and then later on real money with competitive broker fees. Would you know some comparison of such APIs? What do you think of OANDA? Dukascopy? TD Ameritrade? Here is the list of APIs I have found so far: Delta Trading API FxSpyder AVAFx Dukascopy bank trading API TD Ameritrade FxCM

External answer — Quantitative Finance Stack Exchange Author: Svisstack Original post: https://quant.stackexchange.com/a/9273 License: CC BY-SA 3.0 — https://creativecommons.org/licenses/by-sa/3.0/ Adaptation: HTML converted to plain text; contact email addresses removed. Take a look at FIX4.4 protocol, accessible from http://www.dukascopy.com/swiss/english/forex/api/fix_api/ Thread about C# libraries: https://stackoverflow.com/questions/4876279/fix-library-for-net

External answer — Quantitative Finance Stack Exchange Author: DAC Original post: https://quant.stackexchange.com/a/9434 License: CC BY-SA 3.0 — https://creativecommons.org/licenses/by-sa/3.0/ Adaptation: HTML converted to plain text; contact email addresses removed. I use MB Trading SDK for automated trading. It is COM based but easy to integrate with C#. You can setup a demo account and trade on it for free.

External answer — Quantitative Finance Stack Exchange Author: user8139 Original post: https://quant.stackexchange.com/a/11449 License: CC BY-SA 3.0 — https://creativecommons.org/licenses/by-sa/3.0/ Adaptation: HTML converted to plain text; contact email addresses removed. try this http://syscoderblog.blogspot.com.au/2014/05/net-api-for-dukascopy-broker.html it is a .Net (C# VB) API for dukascopy broker It has a very nice demo and a monitor utility

External answer — Quantitative Finance Stack Exchange Author: Guest Original post: https://quant.stackexchange.com/a/12657 License: CC BY-SA 3.0 — https://creativecommons.org/licenses/by-sa/3.0/ Adaptation: HTML converted to plain text; contact email addresses removed. Here it is, C# API for FX trading in ECN model: https://github.com/mForex/mForex.API As far as I know, you can create free demo account and subsequently request for API, the only disadvantage is the fact, that real account are in PLN only.