From 8a686cfc34583709a5f6d7e4b4aec907bec3189d Mon Sep 17 00:00:00 2001
From: drish <carlosderich@gmail.com>
Date: Sat, 14 Mar 2026 10:35:03 -0300
Subject: [PATCH 1/2] feat(api-keys): add last_used_at field to API key
 response

---
 resend/api_keys/_api_key.py |  6 ++++++
 tests/api_keys_test.py      | 21 +++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/resend/api_keys/_api_key.py b/resend/api_keys/_api_key.py
index 0f2e90b..af2bc0b 100644
--- a/resend/api_keys/_api_key.py
+++ b/resend/api_keys/_api_key.py
@@ -1,3 +1,5 @@
+from typing import Optional
+
 from typing_extensions import TypedDict
 
 
@@ -14,3 +16,7 @@ class ApiKey(TypedDict):
     """
     The API key creation date
     """
+    last_used_at: Optional[str]
+    """
+    The date and time the API key was last used, or None if never used
+    """
diff --git a/tests/api_keys_test.py b/tests/api_keys_test.py
index 3ad6d18..ed94283 100644
--- a/tests/api_keys_test.py
+++ b/tests/api_keys_test.py
@@ -38,6 +38,7 @@ def test_api_keys_list(self) -> None:
                         "id": "91f3200a-df72-4654-b0cd-f202395f5354",
                         "name": "Production",
                         "created_at": "2023-04-08T00:11:13.110779+00:00",
+                        "last_used_at": "2023-04-08T12:00:00.000000+00:00",
                     }
                 ],
             }
@@ -50,6 +51,26 @@ def test_api_keys_list(self) -> None:
             assert key["id"] == "91f3200a-df72-4654-b0cd-f202395f5354"
             assert key["name"] == "Production"
             assert key["created_at"] == "2023-04-08T00:11:13.110779+00:00"
+            assert key["last_used_at"] == "2023-04-08T12:00:00.000000+00:00"
+
+    def test_api_keys_list_last_used_at_none(self) -> None:
+        self.set_mock_json(
+            {
+                "object": "list",
+                "has_more": False,
+                "data": [
+                    {
+                        "id": "91f3200a-df72-4654-b0cd-f202395f5354",
+                        "name": "Production",
+                        "created_at": "2023-04-08T00:11:13.110779+00:00",
+                        "last_used_at": None,
+                    }
+                ],
+            }
+        )
+
+        keys: resend.ApiKeys.ListResponse = resend.ApiKeys.list()
+        assert keys["data"][0]["last_used_at"] is None
 
     def test_should_list_api_key_raise_exception_when_no_content(self) -> None:
         self.set_mock_json(None)

From bcd84913fca09a9a0cab660038a44b7d37545813 Mon Sep 17 00:00:00 2001
From: drish <carlosderich@gmail.com>
Date: Sat, 14 Mar 2026 11:44:26 -0300
Subject: [PATCH 2/2] chore: bump version to 2.24.0

---
 resend/version.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/resend/version.py b/resend/version.py
index e55580f..68580de 100644
--- a/resend/version.py
+++ b/resend/version.py
@@ -1,4 +1,4 @@
-__version__ = "2.23.0"
+__version__ = "2.24.0"
 
 
 def get_version() -> str: