diff --git a/app/logic/api_utils.R b/app/logic/api_utils.R
index 95472b3..36bcfad 100644
--- a/app/logic/api_utils.R
+++ b/app/logic/api_utils.R
@@ -217,7 +217,7 @@ put_row <- function(
   ) |>
     t() |>
     data.frame() |>
-    dplyr::filter(
+    filter(
       column_name != "created_at"
     )
 
@@ -237,6 +237,17 @@ put_row <- function(
     table_schema
   )
 
+  input_list <- lapply(
+    input_list,
+    function(value) {
+      if (is.null(value) || (is.character(value) && trimws(value) == "")) {
+        NA
+      } else {
+        value
+      }
+    }
+  )
+
   request(make_endpoint(endpoint)) |>
     req_headers(
       accept = "*/*",
diff --git a/app/main.R b/app/main.R
index 18b81a4..593938f 100644
--- a/app/main.R
+++ b/app/main.R
@@ -68,13 +68,7 @@ server <- function(id) {
           get_data(
             app_state$selected_table()
           )
-        ) |> select(
-          id,
-          everything()
-        ) |>
-          select(
-            -created_at
-          )
+        )
       }),
       total_rows = shiny$eventReactive(app_state$table_data(), {
         nrow(app_state$table_data())
diff --git a/app/view/mod_selector.R b/app/view/mod_selector.R
index a58cdcb..e4af1c4 100644
--- a/app/view/mod_selector.R
+++ b/app/view/mod_selector.R
@@ -220,8 +220,6 @@ server <- function(id, app_state) {
               get_data(
                 app_state$selected_table()
               )
-            ) |> select(
-              id, everything()
             )
           })
         }
@@ -266,10 +264,7 @@ server <- function(id, app_state) {
           get_data(
             app_state$selected_table()
           )
-        ) |> select(
-          id, everything()
-        ) |>
-             select(-created_at)
+        )
       })
 
     }, ignoreInit = TRUE)