Send emails with Elixir

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Prerequisites

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

• Create an API key
• Verify your domain

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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 HTML

The easiest way to send an email is by using the html parameter.

client = Resend.client(api_key: System.get_env("RESEND_API_KEY"))

Resend.Emails.send(client, %{
  from: "Acme <onboarding@resend.dev>",
  to: ["delivered@resend.dev"],
  subject: "hello world",
  html: "<strong>it works!</strong>"
})

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3. Try it yourself