title: PERMISSION_DENIED when testing PayPal Activity REST API in the sandbox
body: <p>I created a new app and I'm following the API instructions as documented here: <a href="https://developer.paypal.com/docs/api/activities/" rel="noreferrer">https://developer.paypal.com/docs/api/activities/</a></p>
  
  <p>My sandbox credentials are good, and I used them to create a bearer token, which I used (in Postman) to post a payment (<a href="https://api.sandbox.paypal.com/v1/payments/payment" rel="noreferrer">https://api.sandbox.paypal.com/v1/payments/payment</a>) with success.</p>
  
  <p>However, my goal for this application is to create an <strong>activity report</strong> using the API functions linked above. For this, I turned on the appropriate "<strong>App feature option</strong>" called <strong>Transaction Search</strong>, in addition to every other app feature option.</p>
  
  <p>Header:</p>
  
  <pre><code>Authorization: Bearer (new bearer token here)
  </code></pre>
  
  <p>My GET request:</p>
  
  <pre><code>https://api.sandbox.paypal.com/v1/activities/activities?start_time=2018-05-03T15:00:00.000Z&amp;end_time=2018-05-02T15:30:00.000Z&amp;page_size=10&amp;next_page_token=1
  </code></pre>
  
  <p>Whatever I do, I get:</p>
  
  <pre><code>HTTP Status: 401 Unauthorized
  </code></pre>
  
  <p>Request body:</p>
  
  <pre><code>{
      "name": "PERMISSION_DENIED",
      "message": "No permission for the requested operation",
      "details": {
          "": "No permission for the requested operation"
      }
  }
  </code></pre>
  
  <p>I am a US developer, and this application is for my own use.</p>