diff --git a/src/components/views/LceOnlineView.tsx b/src/components/views/LceOnlineView.tsx
index 53a15f5..3df6ab0 100644
--- a/src/components/views/LceOnlineView.tsx
+++ b/src/components/views/LceOnlineView.tsx
@@ -191,7 +191,7 @@ const LceOnlineView = memo(function LceOnlineView({
         items.push({
           id: `friend_${f.username}`,
           type: "friend",
-          label: f.displayName,
+          label: f.displayName || f.username,
           onClick: () => handleAction(() => lceOnlineService.removeFriend(f.username)),
           onClickSecondary: isHosting
             ? () => handleAction(() => lceOnlineService.sendInvite(f.username))
@@ -203,7 +203,7 @@ const LceOnlineView = memo(function LceOnlineView({
         items.push({
           id: `req_in_${r.username}`,
           type: "request_in",
-          label: r.displayName,
+          label: r.displayName || r.username,
           onClick: () =>
             handleAction(() => lceOnlineService.acceptFriendRequest(r.username)),
           onClickSecondary: () =>
@@ -214,7 +214,7 @@ const LceOnlineView = memo(function LceOnlineView({
         items.push({
           id: `req_out_${r.username}`,
           type: "request_out",
-          label: r.displayName,
+          label: r.displayName || r.username,
           onClick: () =>
             handleAction(() => lceOnlineService.declineFriendRequest(r.username)),
         });
diff --git a/src/hooks/useLceOnlineNotifications.ts b/src/hooks/useLceOnlineNotifications.ts
index 7f70dac..d37b6ca 100644
--- a/src/hooks/useLceOnlineNotifications.ts
+++ b/src/hooks/useLceOnlineNotifications.ts
@@ -20,7 +20,7 @@ export function useLceOnlineNotifications() {
         requestsData.requests.forEach((r) => {
           if (!seenRequests.current.has(r.username)) {
             seenRequests.current.add(r.username);
-            setFriendRequestMessage(`${r.displayName} wants to be friends!`);
+            setFriendRequestMessage(`${r.displayName || r.username} wants to be friends!`);
           }
         });
       } catch (e) {}
@@ -30,7 +30,7 @@ export function useLceOnlineNotifications() {
         invitesData.forEach((i) => {
           if (!seenInvites.current.has(i.inviteid)) {
             seenInvites.current.add(i.inviteid);
-            setInviteMessage(`${i.from.displayName} invited you to play!`);
+            setInviteMessage(`${i.from.displayName || i.from.username} invited you to play!`);
           }
         });
       } catch {}
@@ -53,7 +53,7 @@ export function useLceOnlineNotifications() {
           invitesData.forEach((i) => {
             if (!seenInvites.current.has(i.inviteid)) {
               seenInvites.current.add(i.inviteid);
-              setInviteMessage(`${i.from.displayName} invited you to play!`);
+              setInviteMessage(`${i.from.displayName || i.from.username} invited you to play!`);
             }
           });
         } catch {}
diff --git a/src/services/LceOnlineService.ts b/src/services/LceOnlineService.ts
index 60d6ba7..30ebc0a 100644
--- a/src/services/LceOnlineService.ts
+++ b/src/services/LceOnlineService.ts
@@ -83,7 +83,7 @@ export class LceOnlineService {
     const res = await this.request<string>(
       "POST",
       "/login",
-      `${username}:${password}`,
+      `${JSON.stringify({ username: username, password: password })}`,
       AUTH_BASE_URL,
     );
     const text = typeof res === "string" ? res : "";
@@ -98,7 +98,7 @@ export class LceOnlineService {
     const res = await this.request<string>(
       "POST",
       "/register",
-      `${username}:${password}`,
+      `${JSON.stringify({ username: username, password: password })}`,
       AUTH_BASE_URL,
     );
     const text = typeof res === "string" ? res : "";
@@ -128,9 +128,10 @@ export class LceOnlineService {
     this._notify();
     try {
       const raw: string = await this.request<string>("POST", "/accountinfo");
-      if (typeof raw === "string" && raw.startsWith("-")) {
-        const username = raw.slice(1);
-        this._session!.account = { username, displayName: username };
+      if (typeof raw === "object" && raw !== null) {
+        const data = JSON.parse(raw);
+        const username = data.username;
+        this._session!.account = { username, displayName: data.displayName };
         this.saveSession();
         this._notify();
       }
@@ -166,7 +167,7 @@ export class LceOnlineService {
   ): Promise<T> {
     const headers: Record<string, string> = {
       Accept: "text/plain, application/json",
-      "User-Agent": "MCLCE-LCEOnline/1.0",
+      "User-Agent": "MCLCE-LCEOnline/1.1", // str1k3r - changed the user agent to use 1.1 so older versions use older apis & get older responses.
     };
 
     if (body) {
@@ -217,9 +218,9 @@ export class LceOnlineService {
     try {
       const res = await this.request<string>("POST", "/refreshtoken", null, AUTH_BASE_URL);
       if (typeof res === "string" && res.startsWith("-")) {
-        const [username, token] = res.slice(1).split(":");
-        this._session.accessToken = token;
-        this._session.account = { username, displayName: username };
+        const data = JSON.parse(res);
+        this._session.accessToken = data.token;
+        this._session.account = { username: data.username, displayName: data.displayName };
         this.saveSession();
         this._notify();
         return true;
@@ -273,7 +274,7 @@ export class LceOnlineService {
 
   async sendInvite(target: string): Promise<void> {
     const res = await this.request<string>("POST", "/invite", target);
-    if (typeof res === "string" && res !== "Invite Sent") {
+    if (typeof res === "string" && res !== "Successfully Sent Invite") {
       throw new Error(res);
     }
   }
@@ -289,7 +290,7 @@ export class LceOnlineService {
       await this.request("POST", "/declineinvite", from);
     } catch (e: unknown) {
       const msg = e instanceof Error ? e.message : "";
-      if (msg !== "Declined Invite") throw e;
+      if (msg !== "Successfully Declined Invite") throw e;
     }
   }