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!
# using SendGrid's Ruby Library # https://github.com/sendgrid/sendgrid-ruby require 'sendgrid-ruby' include SendGrid from = SendGrid::Email.new(email: 'firstname.lastname@example.org') to = SendGrid::Email.new(email: 'email@example.com') subject = 'Sending with SendGrid is Fun' content = SendGrid::Content.new(type: 'text/plain', value: 'and easy to do anywhere, even with Ruby') mail = SendGrid::Mail.new(from, subject, to, content) sg = SendGrid::API.new(api_key: ENV['SENDGRID_API_KEY']) response = sg.client.mail._('send').post(request_body: mail.to_json) puts response.status_code puts response.body puts response.headers