Automate trading by connecting your platform to market leading pricing and execution.

Trade across a huge range of markets including forex, indices and cryptocurrencies.

Trading with APIs

Call  020 7638 6996  or email  newaccounts@guardianstockbrokers.com  to discuss opening a trading account.

What is an API?

An application programme interface  (API) is a program that connects applications. In this case your trading program and your trading account. Where you have access to live market data prices and a venue to execute your transactions all in one place.

Why trade with APIs?

Create your own trading systems with web based APIs either REST based or streaming

App provided for you to get coding right away

Trade DMA and OTC with FIX API

Compatible with 3rd party software such as Java, NET and Excel (VBA)

Ways to trade with APIs?




Directly through API

Create live account 

Generate an API key

Connect using Excel app or start coding




Via ProRealTime

Create live account


Launch ProRealTime


Build your algorithms       



Choose Guardian Stockbrokers to be your partner in trading

Dedicated relationship manager

Easy-to-use platforms

Huge range of markets

Multi Award Winning

Premium services

​Trusted and regulated



Web platform

Mobile platform



Try our platform

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Spread bets and CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 71% of retail investor accounts lose money when trading spread bets and CFDs with this provider. You should consider whether you understand how spread bets and CFDs work, and whether you can afford to take the high risk of losing your money. Professional clients can lose more than they deposit.


All trading involves risk.

The value of shares, ETFs and ETCs bought through a share dealing account, a stocks and shares ISA or a SIPP can fall as well as rise, which could mean getting back less than you originally put in. Past performance is no guarantee of future results.

The information on this site is not directed at residents of the United States, Belgium or any particular country outside the UK and is not intended for distribution to, or use by, any person in any country or jurisdiction where such distribution or use would be contrary to local law or regulation.

Guardian Stockbrokers Limited is authorised and regulated by the Financial Conduct Authority (No. 492519).

Registered office: 14 City Road, London EC1Y 2AA. Registered in England and Wales. Company No. 06756375.