title: REST API Login Pattern
body: <p>I am creating a REST api, closely following apigee suggestions, using nouns not verbs, api version baked into the url, two api paths per collection, GET POST PUT DELETE usage, etc.</p>
  
  <p>I am working on the login system, but unsure of the proper REST way to login users.  I am not working on security at this point, just the login pattern or flow.  (Later we will be adding 2 step oAuth, with an HMAC, etc)</p>
  
  <p>Possible Options</p>
  
  <ul>
  <li>A POST to something like  <code>https://api...com/v1/login.json</code> </li>
  <li>A PUT to something like <code>https://api...com/v1/users.json</code></li>
  <li>Something I have not though of...</li>
  </ul>
  
  <p>What is the proper REST style for logging in users?</p>