server/AyaNova/ControllerHelpers/ListOptions.cs

@@ -10,12 +10,10 @@ namespace AyaNova.Api.ControllerHelpers
         public const int DefaultOffset = 0;
         public const int DefaultLimit = 25;
 
-        [FromBody]
-        [Range(0, int.MaxValue)]
+        [FromBody]       
         public int? Offset { get; set; }
 
-        [FromBody]
-        [Range(1, MaxPageSize, ErrorMessage = "Limit must be greater than 0 and less than 1000.")]
+        [FromBody]       
         public int? Limit { get; set; }
 
         // //Data filter id to use with this list query

server/AyaNova/Controllers/DataListController.cs

@@ -48,13 +48,30 @@ namespace AyaNova.Api.Controllers
         /// </summary>
         /// <param name="listOptions">List key, Paging, filtering and sorting options</param>
         /// <returns>Collection with paging data</returns>
-      // [HttpPost("List", Name = nameof(List))]
-       [HttpPost]
+        // [HttpPost("List", Name = nameof(List))]
+        [HttpPost]
         public async Task<IActionResult> List([FromBody] ListOptions listOptions)
         {
             if (serverState.IsClosed)
                 return StatusCode(503, new ApiErrorResponse(ApiErrorCode.API_CLOSED, null, serverState.Reason));
 
+            if (listOptions.Limit == null || listOptions.Limit < 1)
+            {
+                listOptions.Limit = ListOptions.DefaultLimit;
+            }
+            if (listOptions.Offset == null)
+            {
+                listOptions.Offset = 0;            
+            }
+            //this is to workaround a quirk in the api explorer with default values
+            if(listOptions.SortJson=="string"){
+                listOptions.SortJson=string.Empty;
+            }
+             if(listOptions.FilterJson=="string"){
+                listOptions.FilterJson=string.Empty;
+            }
+            
+
             if (!ModelState.IsValid)
                 return BadRequest(new ApiErrorResponse(ModelState));