diff --git a/lib/types/identity-service-types.js b/lib/types/identity-service-types.js
--- a/lib/types/identity-service-types.js
+++ b/lib/types/identity-service-types.js
@@ -128,6 +128,11 @@
   // on native, publishing prekeys to Identity is called directly from C++,
   // there is no need to expose it to JS
   +publishWebPrekeys?: (prekeys: SignedPrekeys) => Promise<void>;
+  +getDeviceListHistoryForUser: (
+    userID: string,
+    sinceTimestamp?: number,
+  ) => Promise<$ReadOnlyArray<SignedDeviceList>>;
+  +updateDeviceList?: (newDeviceList: SignedDeviceList) => Promise<void>;
 }
 
 export type IdentityServiceAuthLayer = {
@@ -159,6 +164,18 @@
   +notifOneTimeKeys: $ReadOnlyArray<string>,
 };
 
+// Device list types
+
+export type RawDeviceList = {
+  +devices: $ReadOnlyArray<string>,
+  +timestamp: number,
+};
+
+export type SignedDeviceList = {
+  // JSON-stringified RawDeviceList
+  +rawDeviceList: string,
+};
+
 export const ONE_TIME_KEYS_NUMBER = 10;
 
 export const identityDeviceTypes = Object.freeze({
diff --git a/native/identity-service/identity-service-context-provider.react.js b/native/identity-service/identity-service-context-provider.react.js
--- a/native/identity-service/identity-service-context-provider.react.js
+++ b/native/identity-service/identity-service-context-provider.react.js
@@ -10,6 +10,7 @@
   type OneTimeKeysResultValues,
 } from 'lib/types/crypto-types.js';
 import {
+  type SignedDeviceList,
   type DeviceOlmOutboundKeys,
   deviceOlmOutboundKeysValidator,
   type IdentityServiceClient,
@@ -449,6 +450,42 @@
         return validatedResult;
       },
       generateNonce: commRustModule.generateNonce,
+      getDeviceListHistoryForUser: async (
+        userID: string,
+        sinceTimestamp?: number,
+      ) => {
+        const {
+          deviceID: authDeviceID,
+          userID: authUserID,
+          accessToken: token,
+        } = await getAuthMetadata();
+        const result = await commRustModule.getDeviceListForUser(
+          authUserID,
+          authDeviceID,
+          token,
+          userID,
+          sinceTimestamp,
+        );
+        const rawPayloads: string[] = JSON.parse(result);
+        const deviceLists: SignedDeviceList[] = rawPayloads.map(payload =>
+          JSON.parse(payload),
+        );
+        return deviceLists;
+      },
+      updateDeviceList: async (newDeviceList: SignedDeviceList) => {
+        const {
+          deviceID: authDeviceID,
+          userID,
+          accessToken: authAccessToken,
+        } = await getAuthMetadata();
+        const payload = JSON.stringify(newDeviceList);
+        await commRustModule.updateDeviceList(
+          userID,
+          authDeviceID,
+          authAccessToken,
+          payload,
+        );
+      },
     }),
     [getAuthMetadata],
   );
diff --git a/web/grpc/identity-service-client-wrapper.js b/web/grpc/identity-service-client-wrapper.js
--- a/web/grpc/identity-service-client-wrapper.js
+++ b/web/grpc/identity-service-client-wrapper.js
@@ -8,6 +8,7 @@
   SignedPrekeys,
 } from 'lib/types/crypto-types.js';
 import {
+  type SignedDeviceList,
   type IdentityServiceAuthLayer,
   type IdentityServiceClient,
   type DeviceOlmOutboundKeys,
@@ -432,6 +433,30 @@
     request.setNewNotifPrekeys(notifPrekeyUpload);
     await client.refreshUserPrekeys(request);
   };
+
+  getDeviceListHistoryForUser: (
+    userID: string,
+    sinceTimestamp?: number,
+  ) => Promise<$ReadOnlyArray<SignedDeviceList>> = async (
+    userID,
+    sinceTimestamp,
+  ) => {
+    const client = this.authClient;
+    if (!client) {
+      throw new Error('Identity service client is not initialized');
+    }
+    const request = new IdentityAuthStructs.GetDeviceListRequest();
+    request.setUserId(userID);
+    if (sinceTimestamp) {
+      request.setSinceTimestamp(sinceTimestamp);
+    }
+    const response = await client.getDeviceListForUser(request);
+    const rawPayloads = response.getDeviceListUpdatesList();
+    const deviceListUpdates: SignedDeviceList[] = rawPayloads.map(payload =>
+      JSON.parse(payload),
+    );
+    return deviceListUpdates;
+  };
 }
 
 function authDeviceKeyUpload(
@@ -473,5 +498,4 @@
 
   return deviceKeyUpload;
 }
-
 export { IdentityServiceClientWrapper };