title: How to Update Stock Quantity Manually in Magento
body: <p>I'm trying to update the stock quantity in magento manually.
  I know it's possible but I don't know how to proceed...</p>
  
  <p>I want to update the stock from a web service, and I'm searching how to list all my articles. Then, get the id of the article, send it to the web service, get the stock provides by the web service and to finish, update the stock in the database of Magento.</p>
  
  <p>I'm a new user of Magento and your help will be really appreciate :)</p>
  
  <p>Thank you so much guys!</p>