We recommend using SendGrid Ruby, our client library, available on GitHub, with full documentation.
Do you have an API Key yet? If not, go get one. You're going to need it to integrate!
1# using SendGrid's Ruby Library2# https://github.com/sendgrid/sendgrid-ruby3require 'sendgrid-ruby'4include SendGrid56from = SendGrid::Email.new(email: 'test@example.com')7to = SendGrid::Email.new(email: 'test@example.com')8subject = 'Sending with SendGrid is Fun'9content = SendGrid::Content.new(type: 'text/plain', value: 'and easy to do anywhere, even with Ruby')10mail = SendGrid::Mail.new(from, subject, to, content)1112sg = SendGrid::API.new(api_key: ENV['SENDGRID_API_KEY'])13response = sg.client.mail._('send').post(request_body: mail.to_json)14puts response.status_code15puts response.body16puts response.headers