A ruby client for the VinQuery vin decoding web service.
Bundler
gem vinquery
Rubygems
gem install vinquery
Vinquery will provide you with a unique url and access_code which is needed for every request. In addition you will need to send the report type you desire. More info is available at the VinQuery site.
require 'vinquery'
vin = Vinquery.get('1FTWX31R19EB18840', {
:url => 'VINQUERY_URL',
:access_code => 'ACCESS_CODE',
:report_type => 'REPORT_TYPE'})
vin.valid? # true
vin.attributes[:make] # Ford