diff --git a/README.md b/README.md
index b56ed28..d9423be 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@
 Collection of utilities for [absinthe](https://hexdocs.pm/absinthe).
 
 [![absinthe_utils in hex.pm](https://img.shields.io/hexpm/v/absinthe_utils?style=flat)][hexpm]
+
 [![absinthe_utils documentation](https://img.shields.io/badge/hex.pm-docs-green.svg?style=flat)][hexdocs]
 
 ## Installation
@@ -21,7 +22,7 @@ end
 
 Documentation can be found in [HexDocs].
 
-# Main features
+# Main Features:
 
 - `AbsintheUtils.Middleware.ArgLoader`: Middleware for loading entities in `field` arguments.
 - `AbsintheUtils.Middleware.DeprecatedArgs`: Middleware for handling deprecated or renamed `field`
@@ -30,5 +31,10 @@ Documentation can be found in [HexDocs].
 - `AbsintheUtils.Scalars.UUID`: UUID scalar.
 - `AbsintheUtils.Scalars.StrictNaiveDateTime`: NaiveDatetime that does not accept ISO8601 with offset.
 
+# Code standards / re-usable patterns:
+
+- `AbsintheUtils.Types.DateFilterTypes`: Date `from`/`to` filters.
+- `AbsintheUtils.Types.PaginationTypes`: Pagination params and details.
+
 [hexpm]: https://hex.pm/packages/absinthe_utils
 [hexdocs]: https://hexdocs.pm/absinthe_utils
diff --git a/lib/scalars/strict_naive_datetime.ex b/lib/scalars/strict_naive_datetime.ex
index 1c52dd5..0fd7223 100644
--- a/lib/scalars/strict_naive_datetime.ex
+++ b/lib/scalars/strict_naive_datetime.ex
@@ -21,8 +21,15 @@ defmodule AbsintheUtils.Scalars.StrictNaiveDateTime do
 
   **Usage:**
 
-  Import the type in your schema `import_types(AbsintheUtils.Scalars.StrictNaiveDateTime)` and you will be able
-  to use the `:strict_naive_datetime` type.
+  1. In your schema, import the type:
+    ```
+    import_types(AbsintheUtils.Scalars.StrictNaiveDateTime)
+    ```
+
+  2. Use the type in your schema:
+    ```
+    field :my_field, :strict_naive_datetime
+    ```
 
   **Acknowledgements:**
 
diff --git a/lib/types/date_filter_types.ex b/lib/types/date_filter_types.ex
new file mode 100644
index 0000000..8ae447f
--- /dev/null
+++ b/lib/types/date_filter_types.ex
@@ -0,0 +1,38 @@
+defmodule AbsintheUtils.Types.DateFilterTypes do
+  @moduledoc """
+  Absinthe input objects for date and datetime filtering.
+
+  Usage:
+
+  1. Import the required type in your Absinthe schema.
+     ```
+     import_types(AbsintheUtils.Scalars.StrictNaiveDateTime)
+     import_types(AbsintheUtils.Types.DateFilterTypes)
+     ```
+
+  2. Use the `:date_filter` and `:datetime_filter` input objects in your queries or mutations.
+     Example:
+     ```
+     input do
+       field :created_at, :datetime_filter
+     end
+     ```
+  """
+
+  use Absinthe.Schema.Notation
+
+  input_object :date_filter do
+    field(:from, :date)
+    field(:to, :date)
+  end
+
+  input_object :datetime_filter do
+    field(:from, :datetime)
+    field(:to, :datetime)
+  end
+
+  input_object :strict_naive_datetime_filter do
+    field(:from, :strict_naive_datetime)
+    field(:to, :strict_naive_datetime)
+  end
+end
diff --git a/lib/types/pagination_types.ex b/lib/types/pagination_types.ex
new file mode 100644
index 0000000..4903f69
--- /dev/null
+++ b/lib/types/pagination_types.ex
@@ -0,0 +1,38 @@
+defmodule AbsintheUtils.Types.PaginationTypes do
+  @moduledoc """
+  Absinthe types for pagination parameters and details.
+
+  Usage:
+  1. Import the required type in your Absinthe schema.
+     ```
+     import_types(AbsintheUtils.Types.PaginationTypes)
+     ```
+
+  2. Use the `:pagination_params` input object and `:pagination_details` object in your queries or mutations.
+     ```
+     input do
+       field :pagination, :pagination_params
+     end
+     ```
+
+  """
+
+  use Absinthe.Schema.Notation
+
+  input_object :pagination_params do
+    field(:page, non_null(:integer))
+    field(:page_size, non_null(:integer))
+  end
+
+  object :pagination_details do
+    field(:page_size, non_null(:integer))
+    field(:page_number, non_null(:integer))
+    field(:total_entries, non_null(:integer))
+    field(:total_pages, non_null(:integer))
+  end
+
+  enum :sorting_direction do
+    value(:asc)
+    value(:desc)
+  end
+end
diff --git a/mix.exs b/mix.exs
index 5c51778..e048c5d 100644
--- a/mix.exs
+++ b/mix.exs
@@ -59,7 +59,7 @@ defmodule AbsintheUtils.MixProject do
       {:absinthe_plug, "~> 1.5"},
       {:credo, "~> 1.6", only: [:dev, :test], runtime: false},
       {:ecto, ">= 0.0.0", only: [:dev, :test], runtime: false},
-      {:ex_doc, "~> 0.29", only: :dev, runtime: false},
+      {:ex_doc, "~> 0.38", only: :dev, runtime: false},
       {:jason, ">= 1.1.0", only: [:dev, :test], runtime: false}
     ]
   end
diff --git a/mix.lock b/mix.lock
index e8dd148..ff06df2 100644
--- a/mix.lock
+++ b/mix.lock
@@ -6,7 +6,7 @@
   "decimal": {:hex, :decimal, "2.3.0", "3ad6255aa77b4a3c4f818171b12d237500e63525c2fd056699967a3e7ea20f62", [:mix], [], "hexpm", "a4d66355cb29cb47c3cf30e71329e58361cfcb37c34235ef3bf1d7bf3773aeac"},
   "earmark_parser": {:hex, :earmark_parser, "1.4.44", "f20830dd6b5c77afe2b063777ddbbff09f9759396500cdbe7523efd58d7a339c", [:mix], [], "hexpm", "4778ac752b4701a5599215f7030989c989ffdc4f6df457c5f36938cc2d2a2750"},
   "ecto": {:hex, :ecto, "3.12.5", "4a312960ce612e17337e7cefcf9be45b95a3be6b36b6f94dfb3d8c361d631866", [:mix], [{:decimal, "~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "6eb18e80bef8bb57e17f5a7f068a1719fbda384d40fc37acb8eb8aeca493b6ea"},
-  "ex_doc": {:hex, :ex_doc, "0.37.3", "f7816881a443cd77872b7d6118e8a55f547f49903aef8747dbcb345a75b462f9", [:mix], [{:earmark_parser, "~> 1.4.42", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.0", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14 or ~> 1.0", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1 or ~> 1.0", [hex: :makeup_erlang, repo: "hexpm", optional: false]}, {:makeup_html, ">= 0.1.0", [hex: :makeup_html, repo: "hexpm", optional: true]}], "hexpm", "e6aebca7156e7c29b5da4daa17f6361205b2ae5f26e5c7d8ca0d3f7e18972233"},
+  "ex_doc": {:hex, :ex_doc, "0.38.4", "ab48dff7a8af84226bf23baddcdda329f467255d924380a0cf0cee97bb9a9ede", [:mix], [{:earmark_parser, "~> 1.4.44", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_c, ">= 0.1.0", [hex: :makeup_c, repo: "hexpm", optional: true]}, {:makeup_elixir, "~> 0.14 or ~> 1.0", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1 or ~> 1.0", [hex: :makeup_erlang, repo: "hexpm", optional: false]}, {:makeup_html, ">= 0.1.0", [hex: :makeup_html, repo: "hexpm", optional: true]}], "hexpm", "f7b62346408a83911c2580154e35613eb314e0278aeea72ed7fedef9c1f165b2"},
   "file_system": {:hex, :file_system, "1.1.0", "08d232062284546c6c34426997dd7ef6ec9f8bbd090eb91780283c9016840e8f", [:mix], [], "hexpm", "bfcf81244f416871f2a2e15c1b515287faa5db9c6bcf290222206d120b3d43f6"},
   "jason": {:hex, :jason, "1.4.4", "b9226785a9aa77b6857ca22832cffa5d5011a667207eb2a0ad56adb5db443b8a", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "c5eb0cab91f094599f94d55bc63409236a8ec69a21a67814529e8d5f6cc90b3b"},
   "makeup": {:hex, :makeup, "1.2.1", "e90ac1c65589ef354378def3ba19d401e739ee7ee06fb47f94c687016e3713d1", [:mix], [{:nimble_parsec, "~> 1.4", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "d36484867b0bae0fea568d10131197a4c2e47056a6fbe84922bf6ba71c8d17ce"},
diff --git a/test/middleware/arg_loader_test.exs b/test/middleware/arg_loader_test.exs
index 47f4ab4..2d0cd0b 100644
--- a/test/middleware/arg_loader_test.exs
+++ b/test/middleware/arg_loader_test.exs
@@ -321,7 +321,7 @@ defmodule AbsintheUtilsTest.Middleware.ArgLoaderTest do
               load_function: fn _context, input_value ->
                 SampleRepository.get_user(input_value)
               end,
-              nil_is_not_found: true
+              nil_is_not_found: false
             ]
           }
         )
@@ -1410,6 +1410,53 @@ defmodule AbsintheUtilsTest.Middleware.ArgLoaderTest do
                )
     end
 
+    test "optional argument passed as nil" do
+      assert {:ok,
+              %{
+                data: %{
+                  "complexInput" => %{
+                    "processedInput" => %{
+                      "user1" => %{"id" => "2", "name" => "Bob"},
+                      "user2" => nil
+                    }
+                  }
+                }
+              }} ===
+               Absinthe.run(
+                 @query,
+                 TestSchema,
+                 variables: %{
+                   "complexInputObject" => %{
+                     "user1Id" => "2",
+                     "user2Id" => nil
+                   }
+                 }
+               )
+    end
+
+    test "optional argument not passed" do
+      assert {:ok,
+              %{
+                data: %{
+                  "complexInput" => %{
+                    "processedInput" => %{
+                      "user1" => %{"id" => "2", "name" => "Bob"},
+                      "user2" => nil
+                    }
+                  }
+                }
+              }} ===
+               Absinthe.run(
+                 @query,
+                 TestSchema,
+                 variables: %{
+                   "complexInputObject" => %{
+                     "user1Id" => "2"
+                   }
+                 }
+               )
+    end
+
     test "not found" do
       assert {:ok,
               %{
@@ -1418,7 +1465,7 @@ defmodule AbsintheUtilsTest.Middleware.ArgLoaderTest do
                     extensions: %{code: "NOT_FOUND"},
                     message:
                       "The entity(ies) provided in the following arg(s), could not be found: " <>
-                        "complexInputObject.user2Id, complexInputObject.user1Id"
+                        "complexInputObject.user1Id"
                   }
                 ]
               }} =