diff --git a/app/constants/settings.js b/app/constants/settings.js
index 83a269dfb..4c2030c0c 100644
--- a/app/constants/settings.js
+++ b/app/constants/settings.js
@@ -50,6 +50,9 @@ export default {
 	Accounts_ManuallyApproveNewUsers: {
 		type: 'valueAsBoolean'
 	},
+	API_Use_REST_For_DDP_Calls: {
+		type: 'valueAsBoolean'
+	},
 	Accounts_iframe_enabled: {
 		type: 'valueAsBoolean'
 	},
diff --git a/app/lib/methods/callJitsi.js b/app/lib/methods/callJitsi.js
index 7e5d4cde5..92f7bc447 100644
--- a/app/lib/methods/callJitsi.js
+++ b/app/lib/methods/callJitsi.js
@@ -25,7 +25,7 @@ async function callJitsi(rid, onlyAudio = false) {
 
 	if (Jitsi_Enabled_TokenAuth) {
 		try {
-			accessToken = await this.sdk.methodCall('jitsi:generateAccessToken', rid);
+			accessToken = await this.methodCallWrapper('jitsi:generateAccessToken', rid);
 		} catch (e) {
 			// do nothing
 		}
diff --git a/app/lib/rocketchat.js b/app/lib/rocketchat.js
index fa2073724..831d75790 100644
--- a/app/lib/rocketchat.js
+++ b/app/lib/rocketchat.js
@@ -77,7 +77,7 @@ const RocketChat = {
 		name, users, type, readOnly, broadcast
 	}) {
 		// RC 0.51.0
-		return this.methodCall(type ? 'createPrivateGroup' : 'createChannel', name, users, readOnly, {}, { broadcast });
+		return this.methodCallWrapper(type ? 'createPrivateGroup' : 'createChannel', name, users, readOnly, {}, { broadcast });
 	},
 	async getUserToken() {
 		try {
@@ -318,8 +318,9 @@ const RocketChat = {
 		reduxStore.dispatch(shareSetUser({}));
 	},
 
-	updateJitsiTimeout(rid) {
-		return this.methodCall('jitsi:updateTimeout', rid);
+	updateJitsiTimeout(roomId) {
+		// RC 0.74.0
+		return this.post('jitsi.updateTimeout', { roomId });
 	},
 
 	register(credentials) {
@@ -327,11 +328,6 @@ const RocketChat = {
 		return this.post('users.register', credentials, false);
 	},
 
-	setUsername(username) {
-		// RC 0.51.0
-		return this.methodCall('setUsername', username);
-	},
-
 	forgotPassword(email) {
 		// RC 0.64.0
 		return this.post('users.forgotPassword', { email }, false);
@@ -567,7 +563,7 @@ const RocketChat = {
 
 	spotlight(search, usernames, type) {
 		// RC 0.51.0
-		return this.methodCall('spotlight', search, usernames, type);
+		return this.methodCallWrapper('spotlight', search, usernames, type);
 	},
 
 	createDirectMessage(username) {
@@ -596,7 +592,7 @@ const RocketChat = {
 		// TODO: join code
 		// RC 0.48.0
 		if (type === 'p') {
-			return this.methodCall('joinRoom', roomId);
+			return this.methodCallWrapper('joinRoom', roomId);
 		}
 		return this.post('channels.join', { roomId });
 	},
@@ -738,11 +734,22 @@ const RocketChat = {
 	},
 	getRoomMembers(rid, allUsers, skip = 0, limit = 10) {
 		// RC 0.42.0
-		return this.methodCall('getUsersOfRoom', rid, allUsers, { skip, limit });
+		return this.methodCallWrapper('getUsersOfRoom', rid, allUsers, { skip, limit });
 	},
+
+	async methodCallWrapper(method, ...params) {
+		const { API_Use_REST_For_DDP_Calls } = reduxStore.getState().settings;
+		if (API_Use_REST_For_DDP_Calls) {
+			const data = await this.post(`method.call/${ method }`, { message: JSON.stringify({ method, params }) });
+			const { result } = JSON.parse(data.message);
+			return result;
+		}
+		return this.methodCall(method, ...params);
+	},
+
 	getUserRoles() {
 		// RC 0.27.0
-		return this.methodCall('getUserRoles');
+		return this.methodCallWrapper('getUserRoles');
 	},
 	getRoomCounters(roomId, t) {
 		// RC 0.65.0
@@ -767,19 +774,19 @@ const RocketChat = {
 	},
 	closeLivechat(rid, comment) {
 		// RC 0.29.0
-		return this.methodCall('livechat:closeRoom', rid, comment, { clientAction: true });
+		return this.methodCallWrapper('livechat:closeRoom', rid, comment, { clientAction: true });
 	},
 	editLivechat(userData, roomData) {
 		// RC 0.55.0
-		return this.methodCall('livechat:saveInfo', userData, roomData);
+		return this.methodCallWrapper('livechat:saveInfo', userData, roomData);
 	},
 	returnLivechat(rid) {
 		// RC 0.72.0
-		return this.methodCall('livechat:returnAsInquiry', rid);
+		return this.methodCallWrapper('livechat:returnAsInquiry', rid);
 	},
 	forwardLivechat(transferData) {
 		// RC 0.36.0
-		return this.methodCall('livechat:transfer', transferData);
+		return this.methodCallWrapper('livechat:transfer', transferData);
 	},
 	getPagesLivechat(rid, offset) {
 		// RC 2.3.0
@@ -799,11 +806,11 @@ const RocketChat = {
 	},
 	getRoutingConfig() {
 		// RC 2.0.0
-		return this.methodCall('livechat:getRoutingConfig');
+		return this.methodCallWrapper('livechat:getRoutingConfig');
 	},
 	getTagsList() {
 		// RC 2.0.0
-		return this.methodCall('livechat:getTagsList');
+		return this.methodCallWrapper('livechat:getTagsList');
 	},
 	getAgentDepartments(uid) {
 		// RC 2.4.0
@@ -815,7 +822,7 @@ const RocketChat = {
 	},
 	changeLivechatStatus() {
 		// RC 0.26.0
-		return this.methodCall('livechat:changeLivechatStatus');
+		return this.methodCallWrapper('livechat:changeLivechatStatus');
 	},
 
 	getUidDirectMessage(room) {
@@ -843,10 +850,10 @@ const RocketChat = {
 	toggleBlockUser(rid, blocked, block) {
 		if (block) {
 			// RC 0.49.0
-			return this.methodCall('blockUser', { rid, blocked });
+			return this.methodCallWrapper('blockUser', { rid, blocked });
 		}
 		// RC 0.49.0
-		return this.methodCall('unblockUser', { rid, blocked });
+		return this.methodCallWrapper('unblockUser', { rid, blocked });
 	},
 	leaveRoom(roomId, t) {
 		// RC 0.48.0
@@ -859,10 +866,10 @@ const RocketChat = {
 	toggleMuteUserInRoom(rid, username, mute) {
 		if (mute) {
 			// RC 0.51.0
-			return this.methodCall('muteUserInRoom', { rid, username });
+			return this.methodCallWrapper('muteUserInRoom', { rid, username });
 		}
 		// RC 0.51.0
-		return this.methodCall('unmuteUserInRoom', { rid, username });
+		return this.methodCallWrapper('unmuteUserInRoom', { rid, username });
 	},
 	toggleArchiveRoom(roomId, t, archive) {
 		if (archive) {
@@ -877,7 +884,7 @@ const RocketChat = {
 	},
 	saveRoomSettings(rid, params) {
 		// RC 0.55.0
-		return this.methodCall('saveRoomSettings', rid, params);
+		return this.methodCallWrapper('saveRoomSettings', rid, params);
 	},
 	post(...args) {
 		return new Promise(async(resolve, reject) => {
@@ -930,9 +937,9 @@ const RocketChat = {
 		// RC 0.62.2
 		return this.post('users.updateOwnBasicInfo', { data, customFields });
 	},
-	saveUserPreferences(params) {
-		// RC 0.51.0
-		return this.methodCall('saveUserPreferences', params);
+	saveUserPreferences(data) {
+		// RC 0.62.0
+		return this.post('users.setPreferences', { data });
 	},
 	saveNotificationSettings(roomId, notifications) {
 		// RC 0.63.0
@@ -942,11 +949,11 @@ const RocketChat = {
 		let { users } = reduxStore.getState().selectedUsers;
 		users = users.map(u => u.name);
 		// RC 0.51.0
-		return this.methodCall('addUsersToRoom', { rid, users });
+		return this.methodCallWrapper('addUsersToRoom', { rid, users });
 	},
 	getSingleMessage(msgId) {
-		// RC 0.57.0
-		return this.methodCall('getSingleMessage', msgId);
+		// RC 0.47.0
+		return this.sdk.get('chat.getMessage', { msgId });
 	},
 	async hasPermission(permissions, rid) {
 		const db = database.active;
@@ -991,7 +998,7 @@ const RocketChat = {
 	},
 	getAvatarSuggestion() {
 		// RC 0.51.0
-		return this.methodCall('getAvatarSuggestion');
+		return this.methodCallWrapper('getAvatarSuggestion');
 	},
 	resetAvatar(userId) {
 		// RC 0.55.0
@@ -999,7 +1006,7 @@ const RocketChat = {
 	},
 	setAvatarFromService({ data, contentType = '', service = null }) {
 		// RC 0.51.0
-		return this.methodCall('setAvatarFromService', data, contentType, service);
+		return this.methodCallWrapper('setAvatarFromService', data, contentType, service);
 	},
 	async getAllowCrashReport() {
 		const allowCrashReport = await AsyncStorage.getItem(CRASH_REPORT_KEY);
@@ -1211,13 +1218,13 @@ const RocketChat = {
 	saveAutoTranslate({
 		rid, field, value, options
 	}) {
-		return this.methodCall('autoTranslate.saveSettings', rid, field, value, options);
+		return this.methodCallWrapper('autoTranslate.saveSettings', rid, field, value, options);
 	},
 	getSupportedLanguagesAutoTranslate() {
-		return this.methodCall('autoTranslate.getSupportedLanguages', 'en');
+		return this.methodCallWrapper('autoTranslate.getSupportedLanguages', 'en');
 	},
 	translateMessage(message, targetLanguage) {
-		return this.methodCall('autoTranslate.translateMessage', message, targetLanguage);
+		return this.methodCallWrapper('autoTranslate.translateMessage', message, targetLanguage);
 	},
 	getRoomTitle(room) {
 		const { UI_Use_Real_Name: useRealName, UI_Allow_room_names_with_special_chars: allowSpecialChars } = reduxStore.getState().settings;
diff --git a/app/views/RoomView/index.js b/app/views/RoomView/index.js
index 526074495..62553d368 100644
--- a/app/views/RoomView/index.js
+++ b/app/views/RoomView/index.js
@@ -698,7 +698,7 @@ class RoomView extends React.Component {
 					});
 				});
 			} else {
-				const thread = await RocketChat.getSingleMessage(tmid);
+				const { message: thread } = await RocketChat.getSingleMessage(tmid);
 				await db.action(async() => {
 					await db.batch(
 						threadCollection.prepareCreate((t) => {
diff --git a/app/views/SetUsernameView.js b/app/views/SetUsernameView.js
index a6b7bc4cf..2025bc91e 100644
--- a/app/views/SetUsernameView.js
+++ b/app/views/SetUsernameView.js
@@ -88,7 +88,7 @@ class SetUsernameView extends React.Component {
 
 		this.setState({ saving: true });
 		try {
-			await RocketChat.setUsername(username);
+			await RocketChat.saveUserProfile({ username });
 			await loginRequest({ resume: token });
 		} catch (e) {
 			showErrorAlert(e.message, I18n.t('Oops'));