This guides utilizes an open source library contributed by a community member. It’s not developed, maintained, or supported by Resend directly.

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Prerequisites

To get the most out of this guide, you’ll need to:

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1. Install

Install by adding resend to your list of dependencies in mix.exs: 
def deps do
  [
    {:resend, "~> 0.4.0"}
  ]
end

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2. Send email using Swoosh

This library includes a Swoosh adapter to make using Resend with a new Phoenix project as easy as possible. All you have to do is configure your Mailer: 
config :my_app, MyApp.Mailer,
  adapter: Resend.Swoosh.Adapter,
  api_key: System.fetch_env!("RESEND_API_KEY")
If you’re configuring your app for production, configure your adapter in prod.exs, and your API key from the environment in runtime.exs: 
config :my_app, MyApp.Mailer, adapter: Resend.Swoosh.Adapter

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3. Try it yourself

Phoenix Example

See the full source code.