diff --git a/app/soapbox/entity-store/hooks/useEntityActions.ts b/app/soapbox/entity-store/hooks/useEntityActions.ts
index ff27af340..c7e2e431d 100644
--- a/app/soapbox/entity-store/hooks/useEntityActions.ts
+++ b/app/soapbox/entity-store/hooks/useEntityActions.ts
@@ -31,10 +31,14 @@ function useEntityActions<TEntity extends Entity = Entity, Data = any>(
   const { createEntity, isSubmitting: createSubmitting } =
     useCreateEntity<TEntity, Data>(path, (data) => api.post(endpoints.post!, data), opts);
 
+  const { createEntity: updateEntity, isSubmitting: updateSubmitting } =
+    useCreateEntity<TEntity, Data>(path, (data) => api.patch(endpoints.patch!, data), opts);
+
   return {
     createEntity,
     deleteEntity,
-    isSubmitting: createSubmitting || deleteSubmitting,
+    updateEntity,
+    isSubmitting: createSubmitting || deleteSubmitting || updateSubmitting,
   };
 }
 
diff --git a/app/soapbox/features/group/components/group-tag-list-item.tsx b/app/soapbox/features/group/components/group-tag-list-item.tsx
index 7792b3e81..47f9f1ef6 100644
--- a/app/soapbox/features/group/components/group-tag-list-item.tsx
+++ b/app/soapbox/features/group/components/group-tag-list-item.tsx
@@ -3,7 +3,11 @@ import { defineMessages, useIntl } from 'react-intl';
 import { Link } from 'react-router-dom';
 
 import { HStack, IconButton, Stack, Text, Tooltip } from 'soapbox/components/ui';
+import { importEntities } from 'soapbox/entity-store/actions';
+import { Entities } from 'soapbox/entity-store/entities';
+import { useAppDispatch } from 'soapbox/hooks';
 import { useUpdateGroupTag } from 'soapbox/hooks/api';
+import { GroupRoles } from 'soapbox/schemas/group-member';
 import toast from 'soapbox/toast';
 import { shortNumberFormat } from 'soapbox/utils/numbers';
 
@@ -29,15 +33,26 @@ interface IGroupMemberListItem {
 
 const GroupTagListItem = (props: IGroupMemberListItem) => {
   const { group, tag, isPinnable } = props;
+  const dispatch = useAppDispatch();
 
   const intl = useIntl();
-  const updateGroupTag = useUpdateGroupTag(group.id, tag.id);
+  const { updateGroupTag } = useUpdateGroupTag(group.id, tag.id);
+
+  const isOwner = group.relationship?.role === GroupRoles.OWNER;
+  const isAdmin = group.relationship?.role === GroupRoles.ADMIN;
+  const canEdit = isOwner || isAdmin;
 
   const toggleVisibility = () => {
     updateGroupTag({
-      pinned: !tag.visible,
+      group_tag_type: tag.visible ? 'hidden' : 'normal',
     }, {
-      onSuccess(entity: GroupTag) {
+      onSuccess() {
+        const entity = {
+          ...tag,
+          visible: !tag.visible,
+        };
+        dispatch(importEntities([entity], Entities.GROUP_TAGS));
+
         toast.success(
           entity.visible ?
             intl.formatMessage(messages.visibleSuccess) :
@@ -49,9 +64,15 @@ const GroupTagListItem = (props: IGroupMemberListItem) => {
 
   const togglePin = () => {
     updateGroupTag({
-      pinned: !tag.pinned,
+      group_tag_type: tag.pinned ? 'normal' : 'pinned',
     }, {
-      onSuccess(entity: GroupTag) {
+      onSuccess() {
+        const entity = {
+          ...tag,
+          pinned: !tag.pinned,
+        };
+        dispatch(importEntities([entity], Entities.GROUP_TAGS));
+
         toast.success(
           entity.pinned ?
             intl.formatMessage(messages.pinSuccess) :
@@ -73,7 +94,7 @@ const GroupTagListItem = (props: IGroupMemberListItem) => {
         >
           <IconButton
             onClick={togglePin}
-            transparent
+            theme='transparent'
             src={
               tag.pinned ?
                 require('@tabler/icons/pin-filled.svg') :
@@ -90,7 +111,7 @@ const GroupTagListItem = (props: IGroupMemberListItem) => {
         <Tooltip text={intl.formatMessage(messages.unpinTag)}>
           <IconButton
             onClick={togglePin}
-            transparent
+            theme='transparent'
             src={require('@tabler/icons/pin-filled.svg')}
             iconClassName='h-5 w-5 text-primary-500 dark:text-accent-blue'
           />
@@ -106,12 +127,12 @@ const GroupTagListItem = (props: IGroupMemberListItem) => {
         <Stack>
           <Text
             weight='bold'
-            theme={tag.visible ? 'default' : 'subtle'}
+            theme={(tag.visible || !canEdit) ? 'default' : 'subtle'}
             className='group-hover:underline'
           >
             #{tag.name}
           </Text>
-          <Text size='sm' theme={tag.visible ? 'muted' : 'subtle'}>
+          <Text size='sm' theme={(tag.visible || !canEdit) ? 'muted' : 'subtle'}>
             {intl.formatMessage(messages.total)}:
             {' '}
             <Text size='sm' theme='inherit' weight='semibold' tag='span'>
@@ -121,30 +142,32 @@ const GroupTagListItem = (props: IGroupMemberListItem) => {
         </Stack>
       </Link>
 
-      <HStack alignItems='center' space={2}>
-        {tag.visible ? (
-          renderPinIcon()
-        ) : null}
+      {canEdit ? (
+        <HStack alignItems='center' space={2}>
+          {tag.visible ? (
+            renderPinIcon()
+          ) : null}
 
-        <Tooltip
-          text={
-            tag.visible ?
-              intl.formatMessage(messages.hideTag) :
-              intl.formatMessage(messages.showTag)
-          }
-        >
-          <IconButton
-            onClick={toggleVisibility}
-            transparent
-            src={
+          <Tooltip
+            text={
               tag.visible ?
-                require('@tabler/icons/eye.svg') :
-                require('@tabler/icons/eye-off.svg')
+                intl.formatMessage(messages.hideTag) :
+                intl.formatMessage(messages.showTag)
             }
-            iconClassName='h-5 w-5 text-primary-500 dark:text-accent-blue'
-          />
-        </Tooltip>
-      </HStack>
+          >
+            <IconButton
+              onClick={toggleVisibility}
+              theme='transparent'
+              src={
+                tag.visible ?
+                  require('@tabler/icons/eye.svg') :
+                  require('@tabler/icons/eye-off.svg')
+              }
+              iconClassName='h-5 w-5 text-primary-500 dark:text-accent-blue'
+            />
+          </Tooltip>
+        </HStack>
+      ) : null}
     </HStack>
   );
 };
diff --git a/app/soapbox/features/group/group-tags.tsx b/app/soapbox/features/group/group-tags.tsx
index dc4c7d088..d0b371d8b 100644
--- a/app/soapbox/features/group/group-tags.tsx
+++ b/app/soapbox/features/group/group-tags.tsx
@@ -1,6 +1,8 @@
 import React from 'react';
+import { FormattedMessage } from 'react-intl';
 
 import ScrollableList from 'soapbox/components/scrollable-list';
+import { Icon, Stack, Text } from 'soapbox/components/ui';
 import { useGroupTags } from 'soapbox/hooks/api';
 import { useGroup } from 'soapbox/queries/groups';
 
@@ -26,28 +28,41 @@ const GroupTopics: React.FC<IGroupTopics> = (props) => {
   const isPinnable = pinnedTags.length < 3;
 
   return (
-    <>
-      <ScrollableList
-        scrollKey='group-tags'
-        hasMore={hasNextPage}
-        onLoadMore={fetchNextPage}
-        isLoading={isLoading || !group}
-        showLoading={!group || isLoading && tags.length === 0}
-        placeholderComponent={PlaceholderAccount}
-        placeholderCount={3}
-        className='divide-y divide-solid divide-gray-300'
-        itemClassName='py-3 last:pb-0'
-      >
-        {tags.map((tag) => (
-          <GroupTagListItem
-            key={tag.id}
-            group={group as Group}
-            isPinnable={isPinnable}
-            tag={tag}
-          />
-        ))}
-      </ScrollableList>
-    </>
+    <ScrollableList
+      scrollKey='group-tags'
+      hasMore={hasNextPage}
+      onLoadMore={fetchNextPage}
+      isLoading={isLoading || !group}
+      showLoading={!group || isLoading && tags.length === 0}
+      placeholderComponent={PlaceholderAccount}
+      placeholderCount={3}
+      className='divide-y divide-solid divide-gray-300'
+      itemClassName='py-3 last:pb-0'
+      emptyMessage={
+        <Stack space={4} className='pt-6' justifyContent='center' alignItems='center'>
+          <div className='rounded-full bg-gray-200 p-4 dark:bg-gray-800'>
+            <Icon
+              src={require('@tabler/icons/hash.svg')}
+              className='h-6 w-6 text-gray-600'
+            />
+          </div>
+
+          <Text theme='muted'>
+            <FormattedMessage id='group.tags.empty' defaultMessage='There are no topics in this group yet.' />
+          </Text>
+        </Stack>
+      }
+      emptyMessageCard={false}
+    >
+      {tags.map((tag) => (
+        <GroupTagListItem
+          key={tag.id}
+          group={group as Group}
+          isPinnable={isPinnable}
+          tag={tag}
+        />
+      ))}
+    </ScrollableList>
   );
 };
 
diff --git a/app/soapbox/hooks/api/groups/useGroupTags.ts b/app/soapbox/hooks/api/groups/useGroupTags.ts
index 4b724352e..42d81688f 100644
--- a/app/soapbox/hooks/api/groups/useGroupTags.ts
+++ b/app/soapbox/hooks/api/groups/useGroupTags.ts
@@ -1,13 +1,16 @@
 import { Entities } from 'soapbox/entity-store/entities';
 import { useEntities } from 'soapbox/entity-store/hooks';
+import { useApi } from 'soapbox/hooks/useApi';
 import { groupTagSchema } from 'soapbox/schemas';
 
 import type { GroupTag } from 'soapbox/schemas';
 
 function useGroupTags(groupId: string) {
+  const api = useApi();
+
   const { entities, ...result } = useEntities<GroupTag>(
     [Entities.GROUP_TAGS, groupId],
-    '/api/mock/groups/tags', // `api/v1/groups/${groupId}/tags`
+    () => api.get(`api/v1/truth/trends/groups/${groupId}/tags`),
     { schema: groupTagSchema },
   );
 
diff --git a/app/soapbox/hooks/api/groups/useUpdateGroupTag.ts b/app/soapbox/hooks/api/groups/useUpdateGroupTag.ts
index 2d4d61f69..1c68c714d 100644
--- a/app/soapbox/hooks/api/groups/useUpdateGroupTag.ts
+++ b/app/soapbox/hooks/api/groups/useUpdateGroupTag.ts
@@ -1,17 +1,18 @@
 import { Entities } from 'soapbox/entity-store/entities';
 import { useEntityActions } from 'soapbox/entity-store/hooks';
-import { groupTagSchema } from 'soapbox/schemas';
 
 import type { GroupTag } from 'soapbox/schemas';
 
 function useUpdateGroupTag(groupId: string, tagId: string) {
-  const { updateEntity } = useEntityActions<GroupTag>(
+  const { updateEntity, ...rest } = useEntityActions<GroupTag>(
     [Entities.GROUP_TAGS, groupId, tagId],
-    { patch: `/api/mock/truth/groups/${groupId}/tags/${tagId}` },
-    { schema: groupTagSchema },
+    { patch: `/api/v1/groups/${groupId}/tags/${tagId}` },
   );
 
-  return updateEntity;
+  return {
+    updateGroupTag: updateEntity,
+    ...rest,
+  };
 }
 
 export { useUpdateGroupTag };
\ No newline at end of file