 <p>No params, just the 'Authorization' header.</p> <p>Use the "OAuth Signature Generator" on the link you included to generate a test request and confirm yourself.</p> <p>You just need to properly sign the request. This provides the context including the user, since it implicitly includes details about your request, the client secret, the user token etc.</p> <pre><code>$ oksocial https://api.twitter.com/1.1/account/verify_credentials.json { "id": 999999, "id_str": "999999", "name": "Bobby Bonson", "screen_name": "xxxx", "location": "CA", "description": "...", "url": null, "entities": { "description": { "urls": [] } }, "protected": false, "followers_count": 699, "friends_count": 631, "listed_count": 34, </code></pre>