title: Cloud Function with Cloud Function Invoker rights gets 403 status
body: <p>I have two Cloud Functions: a frontend and an API. I have added a <code>frontend</code> service account to the frontend Cloud Function that has <code>Cloud Function Invoker</code> rights:</p>
  <p><a href="https://i.stack.imgur.com/F9x3e.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/F9x3e.png" alt="enter image description here" /></a></p>
  <p>I have also explicitly added this service account as a permission to the API Cloud Function, yet I am still getting <code>403 Not Authorized</code> statuses.</p>
  <p><a href="https://i.stack.imgur.com/KZdjI.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/KZdjI.png" alt="enter image description here" /></a></p>
  <pre><code> const categories = await this.$axios.$get(&quot;/api/v1/categories/&quot;, {
      params: { hasParent: 0 },
    });
  </code></pre>