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[Ruby SDK]

Ruby on Rails

Ship password resets and receipts from Rails controllers and Active Job with the Ruby gem.

Step 1

Install the package

Add the official Ruby client to your Ruby on Rails project.

bash
gem install reloop-email

Step 2

Set your API key

Create a free Reloop account, copy your API key, and add it to your Ruby on Rails environment.

Get an API key free →
bash
RELOOP_API_KEY="re_xxxxxxxx"

Step 3

Send email from Ruby on Rails

Use this Ruby on Rails snippet to send your first message. Works with Controllers · Active Job.

send_email.rb
1require 'reloop'
2

3class EmailsController < ApplicationController
4  def create
5    Reloop.api_key = ENV['RELOOP_API_KEY']
6

7    email = Reloop::Emails.send(
8      from: 'Acme <onboarding@yourdomain.com>',
9      to: [params[:to]],
10      subject: 'Hello from Rails',
11      html: '<strong>It works!</strong>'
12    )
13

14    render json: { id: email[:id] }
15  end
16end

Next steps

Examples, docs, and API reference

Go deeper with working code and the full API for Ruby.

Examples

Copy-paste Ruby on Rails snippets and full integration guides.

Ruby docs

Install the SDK, authenticate, and send your first email.

API reference

Every REST endpoint, request body, and response shape.

Other frameworks

Same API, framework-specific examples.

Next.jsExpressNestJSFastifyElysiaDjangoFastAPIFlaskLaravelSpring BootASP.NET CorePhoenixGin

Send with Ruby on Rails.

Get an API key and ship transactional email from Ruby on Rails using the official Ruby SDK.

Get API Key
Reloop