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Flow Emulator

The Flow Emulator is a lightweight tool that emulates the behaviour of the real Flow network.

The emulator exposes a gRPC server that implements the Flow Access API, which is designed to have near feature parity with the real network API.

Running the emulator with the Flow CLI

The emulator is bundled with the Flow CLI, a command-line interface for working with Flow.


Follow these steps to install the Flow CLI on macOS, Linux, and Windows.


To learn more about using the Emulator, have a look at the README of the repository.