hoptoad_standalone.rb

require 'rubygems'
require 'rest_client'
require 'yaml'

params = {
        'api_key' => '...',
        'project' => 'myproj',
        'error_message' => "Testing sendalone notify",
        'backtrace' => "",
        'request' => {},
        'environment' => {}
}

headers = { :content_type => 'application/x-yaml' }
payload = YAML.dump('notice' => params)

begin
        RestClient.post('http://hoptoadapp.com/notices', payload, headers)
rescue => e
        puts e.response.body if e.respond_to? :response
        raise
end