gem install laddro-career

gem 'laddro-career'

require 'laddro/career'
client = Laddro::Career::Client.new(api_key: ENV['LADDRO_API_KEY'])
templates = client.templates.list
resume = client.resumes.parse(File.open('resume.pdf'))
result = client.tailor(
  resume_id: resume.id, position_name: 'Senior Engineer',
  job_description: 'We are looking for...'
)

client.tailor(resume_id: 'res_abc123', position_name: 'Senior Engineer',
  job_description: '...', stream: true) do |event|
  puts "#{event.section}: #{event.content}"
end

begin
  client.resumes.get('nonexistent')
rescue Laddro::Career::ApiError => e
  puts e.status
  puts e.message
end