chore: use the API timestamp format in fixtures and docstrings

resend/automations/_automation.py

@@ -118,11 +118,11 @@ class AutomationRunStep(TypedDict):
     """
     started_at: Union[str, None]
     """
-    When the step started executing (ISO 8601 format), or None if not started.
+    When the step started executing, or None if not started.
     """
     completed_at: Union[str, None]
     """
-    When the step completed executing (ISO 8601 format), or None if not completed.
+    When the step completed executing, or None if not completed.
     """
     output: Any
     """
@@ -134,7 +134,7 @@ class AutomationRunStep(TypedDict):
     """
     created_at: str
     """
-    When the run step was created (ISO 8601 format).
+    When the run step was created.
     """
 
 
@@ -164,11 +164,11 @@ class AutomationListItem(TypedDict):
     """
     created_at: str
     """
-    When the automation was created (ISO 8601 format).
+    When the automation was created.
     """
     updated_at: str
     """
-    When the automation was last updated (ISO 8601 format).
+    When the automation was last updated.
     """
 
 
@@ -205,11 +205,11 @@ class Automation(TypedDict):
     """
     created_at: str
     """
-    When the automation was created (ISO 8601 format).
+    When the automation was created.
     """
     updated_at: str
     """
-    When the automation was last updated (ISO 8601 format).
+    When the automation was last updated.
     """
     steps: List[AutomationResponseStep]
     """
@@ -243,15 +243,15 @@ class AutomationRunListItem(TypedDict):
     """
     started_at: Union[str, None]
     """
-    When the run started (ISO 8601 format), or None.
+    When the run started, or None.
     """
     completed_at: Union[str, None]
     """
-    When the run completed (ISO 8601 format), or None.
+    When the run completed, or None.
     """
     created_at: str
     """
-    When the run was created (ISO 8601 format).
+    When the run was created.
     """
 
 
@@ -283,15 +283,15 @@ class AutomationRun(TypedDict):
     """
     started_at: Union[str, None]
     """
-    When the run started (ISO 8601 format), or None.
+    When the run started, or None.
     """
     completed_at: Union[str, None]
     """
-    When the run completed (ISO 8601 format), or None.
+    When the run completed, or None.
     """
     created_at: str
     """
-    When the run was created (ISO 8601 format).
+    When the run was created.
     """
     steps: List[AutomationRunStep]
     """

resend/contact_properties/_contact_property.py

@@ -11,7 +11,7 @@ class ContactProperty(TypedDict):
         id (str): The unique identifier for the contact property
         key (str): The key name of the property
         object (str): The object type, always "contact_property"
-        created_at (str): The ISO 8601 timestamp when the property was created
+        created_at (str): The timestamp when the property was created
         type (str): The data type of the property (e.g., "string", "number")
         fallback_value (Union[str, int, float, None]): The default value used when a contact doesn't have this property set
     """
@@ -30,7 +30,7 @@ class ContactProperty(TypedDict):
     """
     created_at: str
     """
-    The ISO 8601 timestamp when the property was created.
+    The timestamp when the property was created.
     """
     type: str
     """

resend/contacts/imports/_contact_import.py

@@ -32,7 +32,7 @@ class ContactImport(BaseResponse):
         object (str): Always 'contact_import'.
         id (str): Unique identifier for the contact import.
         status (str): 'queued', 'in_progress', 'completed', or 'failed'.
-        created_at (str): ISO 8601 timestamp of when the import was created.
+        created_at (str): Timestamp of when the import was created.
         counts (ContactImportCounts): Row-level import statistics (present when status is completed or failed).
     """
 

resend/events/_event.py

@@ -41,11 +41,11 @@ class EventListItem(TypedDict):
     """
     created_at: str
     """
-    When the event was created (ISO 8601 format).
+    When the event was created.
     """
     updated_at: Union[str, None]
     """
-    When the event was last updated (ISO 8601 format), or None.
+    When the event was last updated, or None.
     """
 
 
@@ -80,9 +80,9 @@ class Event(TypedDict):
     """
     created_at: str
     """
-    When the event was created (ISO 8601 format).
+    When the event was created.
     """
     updated_at: Union[str, None]
     """
-    When the event was last updated (ISO 8601 format), or None.
+    When the event was last updated, or None.
     """

resend/webhooks/_webhook.py

@@ -100,7 +100,7 @@ class Webhook(TypedDict):
     """
     created_at: str
     """
-    When the webhook was created (ISO 8601 format)
+    When the webhook was created
     """
     status: WebhookStatus
     """

tests/api_keys_async_test.py

@@ -41,7 +41,7 @@ async def test_api_keys_list_async(self) -> None:
                     {
                         "id": "91f3200a-df72-4654-b0cd-f202395f5354",
                         "name": "Production",
-                        "created_at": "2023-04-08T00:11:13.110779+00:00",
+                        "created_at": "2023-04-08 00:11:13.110779+00",
                     }
                 ]
             }
@@ -51,7 +51,7 @@ async def test_api_keys_list_async(self) -> None:
         for key in keys["data"]:
             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["created_at"] == "2023-04-08 00:11:13.110779+00"
 
     async def test_should_list_api_key_async_raise_exception_when_no_content(
         self,

tests/api_keys_test.py

@@ -37,8 +37,8 @@ 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",
+                        "created_at": "2023-04-08 00:11:13.110779+00",
+                        "last_used_at": "2023-04-08 12:00:00+00",
                     }
                 ],
             }
@@ -50,8 +50,8 @@ def test_api_keys_list(self) -> None:
         for key in keys["data"]:
             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"
+            assert key["created_at"] == "2023-04-08 00:11:13.110779+00"
+            assert key["last_used_at"] == "2023-04-08 12:00:00+00"
 
     def test_api_keys_list_last_used_at_none(self) -> None:
         self.set_mock_json(
@@ -62,7 +62,7 @@ def test_api_keys_list_last_used_at_none(self) -> None:
                     {
                         "id": "91f3200a-df72-4654-b0cd-f202395f5354",
                         "name": "Production",
-                        "created_at": "2023-04-08T00:11:13.110779+00:00",
+                        "created_at": "2023-04-08 00:11:13.110779+00",
                         "last_used_at": None,
                     }
                 ],
@@ -86,12 +86,12 @@ def test_api_keys_list_with_pagination_params(self) -> None:
                     {
                         "id": "test-key-1",
                         "name": "Test Key 1",
-                        "created_at": "2023-04-08T00:11:13.110779+00:00",
+                        "created_at": "2023-04-08 00:11:13.110779+00",
                     },
                     {
                         "id": "test-key-2",
                         "name": "Test Key 2",
-                        "created_at": "2023-04-09T00:11:13.110779+00:00",
+                        "created_at": "2023-04-09 00:11:13.110779+00",
                     },
                 ],
             }
@@ -114,7 +114,7 @@ def test_api_keys_list_with_before_param(self) -> None:
                     {
                         "id": "test-key-3",
                         "name": "Test Key 3",
-                        "created_at": "2023-04-07T00:11:13.110779+00:00",
+                        "created_at": "2023-04-07 00:11:13.110779+00",
                     }
                 ],
             }

tests/async_response_headers_test.py

@@ -87,7 +87,7 @@ async def test_received_email_async_headers_not_overwritten_by_http_headers(
         mock_client.request.return_value = (
             b'{"id": "email_456", "object": "received_email", '
             b'"from": "sender@example.com", "to": ["recipient@example.com"], '
-            b'"subject": "Hello", "created_at": "2024-01-01T00:00:00Z", '
+            b'"subject": "Hello", "created_at": "2024-01-01 00:00:00+00", '
             b'"message_id": "msg_123", "attachments": [], '
             b'"headers": {"List-Unsubscribe": "<mailto:unsub@example.com>", '
             b'"X-Custom": "value"}}',

tests/attachments_async_test.py

@@ -20,7 +20,7 @@ async def test_sent_email_attachments_get_async(self) -> None:
                 "content_disposition": "inline",
                 "content_id": "img001",
                 "download_url": "https://cdn.resend.com/emails/test/attachments/test-id",
-                "expires_at": "2025-10-17T14:29:41.521Z",
+                "expires_at": "2025-10-17 14:29:41.521+00",
             }
         )
 
@@ -57,7 +57,7 @@ async def test_sent_email_attachments_list_async(self) -> None:
                         "content_disposition": "inline",
                         "size": 1024,
                         "download_url": "https://cdn.resend.com/emails/test/attachments/test-id",
-                        "expires_at": "2025-10-17T14:29:41.521Z",
+                        "expires_at": "2025-10-17 14:29:41.521+00",
                     }
                 ],
             }

tests/attachments_test.py

@@ -18,7 +18,7 @@ def test_receiving_get_attachment(self) -> None:
                 "content_disposition": "inline",
                 "content_id": "img001",
                 "download_url": "https://inbound-cdn.resend.com/4ef9a417-02e9-4d39-ad75-9611e0fcc33c/attachments/2a0c9ce0-3112-4728-976e-47ddcd16a318?some-params=example&signature=sig-123",
-                "expires_at": "2025-10-17T14:29:41.521Z",
+                "expires_at": "2025-10-17 14:29:41.521+00",
             }
         )
 
@@ -35,7 +35,7 @@ def test_receiving_get_attachment(self) -> None:
         assert attachment["content_disposition"] == "inline"
         assert attachment["content_id"] == "img001"
         assert "https://inbound-cdn.resend.com" in attachment["download_url"]
-        assert attachment["expires_at"] == "2025-10-17T14:29:41.521Z"
+        assert attachment["expires_at"] == "2025-10-17 14:29:41.521+00"
 
     def test_receiving_get_attachment_without_content_id(self) -> None:
         self.set_mock_json(
@@ -46,7 +46,7 @@ def test_receiving_get_attachment_without_content_id(self) -> None:
                 "content_type": "application/pdf",
                 "content_disposition": "attachment",
                 "download_url": "https://inbound-cdn.resend.com/test-email/attachments/test-attachment",
-                "expires_at": "2025-10-18T10:00:00.000Z",
+                "expires_at": "2025-10-18 10:00:00+00",
             }
         )
 
@@ -87,7 +87,7 @@ def test_receiving_list_attachments(self) -> None:
                         "content_id": "img001",
                         "size": 1024,
                         "download_url": "https://inbound-cdn.resend.com/test/attachments/2a0c9ce0?signature=sig-123",
-                        "expires_at": "2025-10-17T14:29:41.521Z",
+                        "expires_at": "2025-10-17 14:29:41.521+00",
                     },
                     {
                         "id": "3b1d0df1-4223-5839-a87f-58eecd27b429",
@@ -96,7 +96,7 @@ def test_receiving_list_attachments(self) -> None:
                         "content_disposition": "attachment",
                         "size": 2048,
                         "download_url": "https://inbound-cdn.resend.com/test/attachments/3b1d0df1?signature=sig-456",
-                        "expires_at": "2025-10-17T14:29:41.521Z",
+                        "expires_at": "2025-10-17 14:29:41.521+00",
                     },
                 ],
             }
@@ -115,7 +115,7 @@ def test_receiving_list_attachments(self) -> None:
         assert attachments["data"][0]["filename"] == "avatar.png"
         assert attachments["data"][0]["size"] == 1024
         assert "https://inbound-cdn.resend.com" in attachments["data"][0]["download_url"]
-        assert attachments["data"][0]["expires_at"] == "2025-10-17T14:29:41.521Z"
+        assert attachments["data"][0]["expires_at"] == "2025-10-17 14:29:41.521+00"
         assert attachments["data"][1]["id"] == "3b1d0df1-4223-5839-a87f-58eecd27b429"
         assert attachments["data"][1]["filename"] == "document.pdf"
 
@@ -132,7 +132,7 @@ def test_receiving_list_attachments_with_pagination(self) -> None:
                         "content_disposition": "inline",
                         "size": 1024,
                         "download_url": "https://inbound-cdn.resend.com/test/attachments/2a0c9ce0?signature=sig-123",
-                        "expires_at": "2025-10-17T14:29:41.521Z",
+                        "expires_at": "2025-10-17 14:29:41.521+00",
                     },
                 ],
             }

tests/audiences_async_test.py

@@ -42,7 +42,7 @@ async def test_segments_get_async(self) -> None:
                 "object": "audience",
                 "id": "78261eea-8f8b-4381-83c6-79fa7120f1cf",
                 "name": "Registered Users",
-                "created_at": "2023-10-06T22:59:55.977Z",
+                "created_at": "2023-10-06 22:59:55.977+00",
             }
         )
 
@@ -51,7 +51,7 @@ async def test_segments_get_async(self) -> None:
         )
         assert segment["id"] == "78261eea-8f8b-4381-83c6-79fa7120f1cf"
         assert segment["name"] == "Registered Users"
-        assert segment["created_at"] == "2023-10-06T22:59:55.977Z"
+        assert segment["created_at"] == "2023-10-06 22:59:55.977+00"
 
     async def test_should_get_segments_async_raise_exception_when_no_content(
         self,
@@ -94,7 +94,7 @@ async def test_segments_list_async(self) -> None:
                     {
                         "id": "78261eea-8f8b-4381-83c6-79fa7120f1cf",
                         "name": "Registered Users",
-                        "created_at": "2023-10-06T22:59:55.977Z",
+                        "created_at": "2023-10-06 22:59:55.977+00",
                     }
                 ],
             }
@@ -147,7 +147,7 @@ async def test_audiences_get_async(self) -> None:
                 "object": "audience",
                 "id": "78261eea-8f8b-4381-83c6-79fa7120f1cf",
                 "name": "Registered Users",
-                "created_at": "2023-10-06T22:59:55.977Z",
+                "created_at": "2023-10-06 22:59:55.977+00",
             }
         )
 
@@ -157,7 +157,7 @@ async def test_audiences_get_async(self) -> None:
             )
         assert audience["id"] == "78261eea-8f8b-4381-83c6-79fa7120f1cf"
         assert audience["name"] == "Registered Users"
-        assert audience["created_at"] == "2023-10-06T22:59:55.977Z"
+        assert audience["created_at"] == "2023-10-06 22:59:55.977+00"
 
     async def test_audiences_get_async_raises_when_no_content(
         self,
@@ -207,7 +207,7 @@ async def test_audiences_list_async(self) -> None:
                     {
                         "id": "78261eea-8f8b-4381-83c6-79fa7120f1cf",
                         "name": "Registered Users",
-                        "created_at": "2023-10-06T22:59:55.977Z",
+                        "created_at": "2023-10-06 22:59:55.977+00",
                     }
                 ],
             }