title: Amazon SP-API: Access to requested resource is denied
body: <p>I have a problem with the connection SP-API through Postman. I am trying to do this via IAM role (which has an inline policy) and I got LWA + wrote all required data right(client_id, refresh_token, client_secret, access_key)</p>
  <pre><code>{
    &quot;errors&quot;: [
      {
          &quot;message&quot;: &quot;Access to requested resource is denied.&quot;,
          &quot;code&quot;: &quot;Unauthorized&quot;,
          &quot;details&quot;: &quot;&quot;
      }
    ]
  }
  </code></pre>