Announcing MetaTrader 5 Omni Gateway for Alpaca Broker API

MT5 Omni Gateway for Alpaca Broker API is now available. This new offering is a turnkey solution that enables your customers to trade fractional and whole share U.S stocks directly in MetaTrader 5 by connecting to Broker API via a secure Omnibus gateway.

What is an Omnibus setup?

In an Omnibus setup, you are a registered broker-dealer and manage customer accounting, and two main trading accounts for your customer's entire trading flow (one for long positions and one for short positions).

End customers' information (e.g. name, address, date of birth) are not disclosed to Alpaca, and you will be responsible for all tax reporting in your local jurisdiction.

Note: If you are a non-US broker-dealer, this may require registration with the IRS as a Foreign Financial Institution (FFI) and get certified as a Qualified Intermediary (QI) to be certified to manage taxes on the US-sourced income by non-US tax residents.

This material has been prepared for informational purposes only, and is not intended to provide, and should not be relied on for, tax, legal or accounting advice. You should consult your own tax, legal and accounting advisors before engaging in any transaction.

Broker API Supports Omnibus Access and Fractional Trading via MT5

MetaTrader 5 (MT5) from MetaQuotes is a multi-asset (US stocks, forex, signals, futures, and more) trading platform popular in the Middle East, Asia, Africa, Europe, and other regions. Used predominantly by advanced traders, developers, and retail investors, MT5 also offers fundamental analysis, algorithmic trading, and access to MQL5 programming language to create trading bots, test and optimize trading strategies.

If you have an established or growing platform, you may not need multiple brokerage APIs to facilitate U.S. stock trading through MT5. Simply connect MT5 servers via our Omnibus gateway to Broker API for direct fractional trading and full back-office operations support for corporate actions, account statements, trade confirmations, and more.

MT5 Omni Gateway for Broker API

Key Product Features

  • Omnibus access to your customers to trade U.S stocks via MT5
  • Fractional* and whole share stock trading are supported for market orders
  • Supported order types: Market, Limit, Stop, and Stop limit
  • Seamless full back-office operations and infrastructure support
  • Quick and easy integration via our modern APIs
  • 24/7 global support

Documentation is available upon request. For additional information on MT5 Omni Gateway support for Broker API, please contact us at [email protected]

Alpaca Broker API - Modern Infrastructure for Crypto & Stock Investing
Built with developers in mind, our modern API makes it easy for businesses to embed crypto and stock trading into their fintech app.

*Alpaca does not make recommendations with regard to fractional share trading, whether to use fractional shares at all, or whether to invest in any specific security. A security’s eligibility on the list of fractional shares available for trading is not an endorsement of any of the securities, nor is it intended to convey that such stocks have low risk. Fractional share transactions are executed either on a principal or riskless principal basis, and can only be bought or sold with market orders during normal market hours.

Alpaca and MetaQuotes Ltd.  are not affiliated and neither are responsible for the liabilities of the other.

MetaQuotes is a software development company and does not provide investment or brokerage services.

Securities brokerage services are provided by Alpaca Securities LLC (“Alpaca Securities”), member FINRA/SIPC, a wholly-owned subsidiary of AlpacaDB, Inc.

This is not an offer, solicitation of an offer, or advice to buy or sell securities, or open a brokerage account in any jurisdiction where Alpaca Securities LLC is not registered or licensed.



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