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Alpaca Paper Trading API

The Alpaca Paper Trading API is used during the software development process, to test the algorithms in a simulated environment. This API is a Alpaca platform Broker Functions service for Paper trading, that is a real-time simulation environment to test your code. The Broker Functions side behaves like the live account except the orders aren’t routed to real exchanges. Alpaca provides a way to build and trade with real-time market data for free.