Add E-Signatures to Ruby on Rails

# app/controllers/contracts_controller.rb
class ContractsController < ApplicationController
  def send_contract
    response = Net::HTTP.post(
      URI("https://signb.ee/api/send"),
      {
        content: params[:content],
        senderName: params[:sender_name],
        senderEmail: params[:sender_email],
        recipientName: params[:recipient_name],
        recipientEmail: params[:recipient_email]
      }.to_json,
      "Authorization" => "Bearer #{ENV['SIGNBEE_API_KEY']}",
      "Content-Type" => "application/json"
    )
    render json: JSON.parse(response.body)
  end
end