PostFundManagement.Api/Program.cs

@@ -92,7 +92,7 @@ builder.Services.AddOpenApi(options =>
 });
 
 builder.Services.AddCors(options => options.AddPolicy("AllowFrontend", policy => 
-    policy.AllowAnyOrigin().AllowAnyHeader().AllowAnyMethod().AllowCredentials()));
+    policy.WithOrigins("https://localhost:3000").AllowAnyHeader().AllowAnyMethod().AllowCredentials()));
 
 var app = builder.Build();