diff --git a/src/components/Sidebar/index.jsx b/src/components/Sidebar/index.jsx
index 097397a3..718b60d8 100644
--- a/src/components/Sidebar/index.jsx
+++ b/src/components/Sidebar/index.jsx
@@ -20,7 +20,8 @@ const Sidebar = ({
   isOpen,
   setIsOpen,
   unitId,
-}) => {
+  auditTrialNotExpired
+  &, > {
   const {
     apiError,
     disclosureAcknowledged,
@@ -98,7 +99,10 @@ const Sidebar = ({
           </div>
         )
       }
-      {getMessageForm()}
+      {
+        auditTrialNotExpired
+        && getMessageForm()
+      }
     </div>
   );
 
diff --git a/src/data/api.js b/src/data/api.js
index 4b1411cb..8a9033b8 100644
--- a/src/data/api.js
+++ b/src/data/api.js
@@ -30,30 +30,16 @@ async function fetchLearningAssistantEnabled(courseId) {
   return data;
 }
 
-
-async function fetchLearningAssistantAuditTrial(userId) {
-  // TODO: Insert correct URL once get endpoint is implemented.
-  const url = new URL(`${getConfig().CHAT_RESPONSE_URL}/${userId}/`);
+async function fetchLearningAssistantMessageHistory(courseId) {
+  const url = new URL(`${getConfig().CHAT_RESPONSE_URL}/${courseId}/history`);
 
   const { data } = await getAuthenticatedHttpClient().get(url.href);
   return data;
 }
 
-
 async function fetchLearningAssistantAuditTrial(userId) {
   // TODO: Insert correct URL once get endpoint is implemented.
-  const url = new URL(`${getConfig().CHAT_RESPONSE_URL}/${userId}/`);
-
-  const { data } = await getAuthenticatedHttpClient().get(url.href);
-  // TODO: Extract below values from data:
-    // Whether or not a trial exists
-    // Days remaining in trial
-    // When trial was created
-  return data;
-}
-
-async function fetchLearningAssistantMessageHistory(courseId) {
-  const url = new URL(`${getConfig().CHAT_RESPONSE_URL}/${courseId}/history`);
+  const url = new URL(`${getConfig().CHAT_RESPONSE_URL}/data/${userId}/`);
 
   const { data } = await getAuthenticatedHttpClient().get(url.href);
   return data;
diff --git a/src/data/slice.js b/src/data/slice.js
index 9b3bb165..5d7df191 100644
--- a/src/data/slice.js
+++ b/src/data/slice.js
@@ -12,9 +12,8 @@ export const initialState = {
   sidebarIsOpen: false,
   isEnabled: false,
   auditTrial: {
-    trialExists: false,
-    daysRemaining: 0,
-    trialCreated: null,  // TODO: what do we use for a datetime value here?
+    startDate: 0,
+    expirationDate: null,  // TODO: what do we use for a datetime value here?
   },
 };
 
@@ -50,7 +49,8 @@ export const learningAssistantSlice = createSlice({
       state.isEnabled = payload;
     },
     setAuditTrial: (state, { payload }) => {
-      state.auditTrial = payload;
+      state.auditTrial.startDate = payload.start_date;
+      state.auditTrial.expirationDate = payload.expiration_date;
     },
   },
 });
diff --git a/src/data/thunks.js b/src/data/thunks.js
index ac353e1e..6f389607 100644
--- a/src/data/thunks.js
+++ b/src/data/thunks.js
@@ -136,11 +136,13 @@ export function getIsEnabled(courseId) {
   };
 }
 
-export function getIsAuditTrial(userId) {
+export function getAuditTrial(userId) {
   return async (dispatch) => {
     try {
       const data = await fetchLearningAssistantAuditTrial(userId);
-      dispatch(setAuditTrial(data.enabled));
+      if (!_.isEmpty(data)) {  // If returned data is not empty
+        dispatch(setAuditTrial(data));
+      }
     } catch (error) {
       dispatch(setApiError());
     }
diff --git a/src/widgets/Xpert.jsx b/src/widgets/Xpert.jsx
index 155f13de..f3fb84b7 100644
--- a/src/widgets/Xpert.jsx
+++ b/src/widgets/Xpert.jsx
@@ -2,7 +2,7 @@ import PropTypes from 'prop-types';
 import { useEffect } from 'react';
 import { useDispatch, useSelector } from 'react-redux';
 
-import { updateSidebarIsOpen, getIsEnabled, getIsAuditTrial } from '../data/thunks';
+import { updateSidebarIsOpen, getIsEnabled, getAuditTrial } from '../data/thunks';
 import ToggleXpert from '../components/ToggleXpertButton';
 import Sidebar from '../components/Sidebar';
 import { ExperimentsProvider } from '../experiments';
@@ -15,11 +15,6 @@ const Xpert = ({ courseId, contentToolsEnabled, unitId }) => {
   const {
     isEnabled,
     sidebarIsOpen,
-    // TODO: How do we plan to use this value to gate things?
-    // i.e. how to use values such as:
-    //   auditTrial.trialExists
-    // auditTrial.daysRemaining
-    // auditTrial.trialCreated
     auditTrial,
   } = useSelector(state => state.learningAssistant);
 
@@ -32,9 +27,17 @@ const Xpert = ({ courseId, contentToolsEnabled, unitId }) => {
   }, [dispatch, courseId]);
 
   useEffect(() => {
-    dispatch(getIsAuditTrial(userId));
+    dispatch(getAuditTrial(userId));
   }, [dispatch, userId]);
 
+  const isAuditTrialNotExpired = () => {
+    const auditTrialExpired = (Date.now() - auditTrial.expirationDate) > 0;
+    if (auditTrialExpired) {
+      return true
+    }
+    return false
+  }
+
   return isEnabled ? (
     <ExperimentsProvider>
       <>
@@ -49,6 +52,7 @@ const Xpert = ({ courseId, contentToolsEnabled, unitId }) => {
           isOpen={sidebarIsOpen}
           setIsOpen={setSidebarIsOpen}
           unitId={unitId}
+          auditTrialNotExpired={isAuditTrialNotExpired}
         />
       </>
     </ExperimentsProvider>