diff --git a/src/abstractions/api.service.ts b/src/abstractions/api.service.ts
index e34da705c..8a4953f04 100644
--- a/src/abstractions/api.service.ts
+++ b/src/abstractions/api.service.ts
@@ -62,6 +62,7 @@ export abstract class ApiService {
     getAccountRevisionDate: () => Promise<number>;
     postPasswordHint: (request: PasswordHintRequest) => Promise<any>;
     postRegister: (request: RegisterRequest) => Promise<any>;
+    postPremium: (data: FormData) => Promise<any>;
     postFolder: (request: FolderRequest) => Promise<FolderResponse>;
     putFolder: (id: string, request: FolderRequest) => Promise<FolderResponse>;
     deleteFolder: (id: string) => Promise<any>;
diff --git a/src/services/api.service.ts b/src/services/api.service.ts
index 525d765a6..6574eb4d4 100644
--- a/src/services/api.service.ts
+++ b/src/services/api.service.ts
@@ -184,6 +184,10 @@ export class ApiService implements ApiServiceAbstraction {
         return this.send('POST', '/accounts/register', request, false, false);
     }
 
+    postPremium(data: FormData): Promise<any> {
+        return this.send('POST', '/accounts/premium', data, true, true);
+    }
+
     // Folder APIs
 
     async postFolder(request: FolderRequest): Promise<FolderResponse> {