diff --git a/keyserver/src/endpoints.js b/keyserver/src/endpoints.js
--- a/keyserver/src/endpoints.js
+++ b/keyserver/src/endpoints.js
@@ -41,6 +41,7 @@
   threadLeaveResponder,
   threadUpdateResponder,
   threadCreationResponder,
+  threadFetchMediaResponder,
   threadJoinResponder,
 } from './responders/thread-responders.js';
 import {
@@ -133,6 +134,10 @@
     responder: messageFetchResponder,
     requiredPolicies: baseLegalPolicies,
   },
+  fetch_thread_media: {
+    responder: threadFetchMediaResponder,
+    requiredPolicies: baseLegalPolicies,
+  },
   get_session_public_keys: {
     responder: getSessionPublicKeysResponder,
     requiredPolicies: baseLegalPolicies,
diff --git a/keyserver/src/responders/thread-responders.js b/keyserver/src/responders/thread-responders.js
--- a/keyserver/src/responders/thread-responders.js
+++ b/keyserver/src/responders/thread-responders.js
@@ -15,6 +15,8 @@
   type NewThreadResponse,
   type ServerThreadJoinRequest,
   type ThreadJoinResult,
+  type ThreadFetchMediaResult,
+  type ThreadFetchMediaRequest,
   threadTypes,
 } from 'lib/types/thread-types.js';
 import { values } from 'lib/utils/objects.js';
@@ -31,6 +33,7 @@
 } from './entry-responders.js';
 import { createThread } from '../creators/thread-creator.js';
 import { deleteThread } from '../deleters/thread-deleters.js';
+import { fetchMediaForThread } from '../fetchers/upload-fetchers.js';
 import type { Viewer } from '../session/viewer.js';
 import {
   updateRole,
@@ -176,6 +179,20 @@
   return await joinThread(viewer, request);
 }
 
+const threadFetchMediaRequestInputValidator = tShape({
+  threadID: t.String,
+  limit: t.Number,
+  offset: t.Number,
+});
+async function threadFetchMediaResponder(
+  viewer: Viewer,
+  input: any,
+): Promise<ThreadFetchMediaResult> {
+  const request: ThreadFetchMediaRequest = input;
+  await validateInput(viewer, threadFetchMediaRequestInputValidator, request);
+  return await fetchMediaForThread(viewer, request);
+}
+
 export {
   threadDeletionResponder,
   roleUpdateResponder,
@@ -184,5 +201,6 @@
   threadUpdateResponder,
   threadCreationResponder,
   threadJoinResponder,
+  threadFetchMediaResponder,
   newThreadRequestInputValidator,
 };
diff --git a/lib/actions/thread-actions.js b/lib/actions/thread-actions.js
--- a/lib/actions/thread-actions.js
+++ b/lib/actions/thread-actions.js
@@ -10,6 +10,8 @@
   NewThreadResult,
   ClientThreadJoinRequest,
   ThreadJoinPayload,
+  ThreadFetchMediaRequest,
+  ThreadFetchMediaResult,
 } from '../types/thread-types.js';
 import type { CallServerEndpoint } from '../utils/call-server-endpoint.js';
 import { values } from '../utils/objects.js';
@@ -163,6 +165,15 @@
     };
   };
 
+const fetchThreadMedia =
+  (
+    callServerEndpoint: CallServerEndpoint,
+  ): ((request: ThreadFetchMediaRequest) => Promise<ThreadFetchMediaResult>) =>
+  async request => {
+    const response = await callServerEndpoint('fetch_thread_media', request);
+    return response;
+  };
+
 export {
   deleteThreadActionTypes,
   deleteThread,
@@ -178,4 +189,5 @@
   joinThread,
   leaveThreadActionTypes,
   leaveThread,
+  fetchThreadMedia,
 };
diff --git a/lib/types/endpoints.js b/lib/types/endpoints.js
--- a/lib/types/endpoints.js
+++ b/lib/types/endpoints.js
@@ -61,6 +61,7 @@
   FETCH_ENTRY_REVISIONS: 'fetch_entry_revisions',
   FETCH_ERROR_REPORT_INFOS: 'fetch_error_report_infos',
   FETCH_MESSAGES: 'fetch_messages',
+  FETCH_THREAD_MEDIA: 'fetch_thread_media',
   GET_SESSION_PUBLIC_KEYS: 'get_session_public_keys',
   JOIN_THREAD: 'join_thread',
   LEAVE_THREAD: 'leave_thread',