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Open source API gateway with integrated cache and data transformations.
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A multi-headed beast: API gateway, request cache, and data transformations.

Hydra's goal is to be a distributable and fault tolerant API gateway with integrated cache and support for data transformations. Community involvement and contributions are welcomed and encouraged.

There isn't much to see here yet, Hydra is still under active development

Getting Started

Hydra is built with Elixir 1.2 and will not work with earlier versions. For data transformations we rely on the powerful jq command-line JSON processor. Please see the jq website for instructions on installing for your system.

  1. Clone project:
$ git clone
$ cd hydra
  1. Install dependencies:
$ mix deps.get
  1. Verify tests pass:
$ mix test
  1. Finally, we have two options for running Hydra:
  • Start an instance with Mix:

    $ mix hydra
  • Or build and run an executable with escript:

    $ mix build
    $ ./hydra

Learn More

  1. Pattern: API Gateway
  2. Inside the Netflix API Redesign
  3. jq Manual


Contributions are always welcome. We ask that contributors familiarize themselves with the guide.


Hydra source code is released under Apache 2.0 License.

See LICENSE for more information.

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