diff --git a/fideslog/sdk/python/client.py b/fideslog/sdk/python/client.py
index 2da5348..0915a58 100644
--- a/fideslog/sdk/python/client.py
+++ b/fideslog/sdk/python/client.py
@@ -1,10 +1,9 @@
 # pylint: disable=too-many-arguments
 
+from asyncio import run
 from typing import Dict, Optional
-from urllib.error import HTTPError
 
-from requests import post
-from requests.exceptions import RequestException
+from aiohttp import ClientResponseError, ClientSession, ClientTimeout
 
 from fideslog.sdk.python.event import AnalyticsEvent
 from fideslog.sdk.python.exceptions import AnalyticsException
@@ -48,19 +47,28 @@ def __init__(
         self.product_name = product_name
         self.production_version = production_version
         self.developer_mode = developer_mode
-        self.extra_data = extra_data
+        self.extra_data = extra_data or {}
 
-    async def send(self, event: AnalyticsEvent) -> None:
+    def send(self, event: AnalyticsEvent) -> None:
         """
         Record a new event.
         """
 
+        run(self.__send(event))
+
+    def __get_request_payload(self, event: AnalyticsEvent) -> Dict:
+        """
+        Construct the `POST` body required for a new `AnalyticsEvent` to
+        be recorded via the API server.
+        """
+
         payload = {
             "client_id": self.client_id,
             "developer": self.developer_mode,
             "docker": event.docker,
             "event": event.event,
             "event_created_at": event.event_created_at.isoformat(),
+            "extra_data": {**self.extra_data, **event.extra_data},
             "local_host": event.local_host,
             "os": self.os,
             "product_name": self.product_name,
@@ -81,28 +89,26 @@ async def send(self, event: AnalyticsEvent) -> None:
             if event_dict[extra]:
                 payload[extra] = event_dict[extra]
 
-        extra_data: Dict = {}
-        if self.extra_data is not None:
-            extra_data = self.extra_data
+        return payload
 
-        if event.extra_data is not None:
-            for key, val in event.extra_data.items():
-                extra_data[key] = val
-
-        payload["extra_data"] = extra_data
+    async def __send(self, event: AnalyticsEvent) -> None:
+        """
+        Asynchronously record a new `AnalyticsEvent`.
+        """
 
-        try:
-            response = post(
-                f"{self.server_url}/events",
-                json=payload,
-                timeout=(3.05, 120),
-            )
-            try:
-                response.raise_for_status()
-            except HTTPError as error:
-                raise AnalyticsException(
-                    error.reason, error.args, status_code=error.code
-                ) from error
-
-        except RequestException as exc:
-            raise AnalyticsException(exc.strerror, exc.args) from exc
+        async with ClientSession(
+            self.server_url,
+            timeout=ClientTimeout(connect=3.05, total=120),
+        ) as session:
+            async with session.post(
+                "/events",
+                json=self.__get_request_payload(event),
+            ) as resp:
+                try:
+                    resp.raise_for_status()
+                except ClientResponseError as err:
+                    raise AnalyticsException(
+                        err.message,
+                        err.args,
+                        status_code=err.status,
+                    ) from err
diff --git a/fideslog/sdk/python/event.py b/fideslog/sdk/python/event.py
index 4809a35..0807720 100644
--- a/fideslog/sdk/python/event.py
+++ b/fideslog/sdk/python/event.py
@@ -1,7 +1,6 @@
 # pylint: disable= too-many-arguments, too-many-instance-attributes
 
 from datetime import datetime, timezone
-from json import dumps
 from typing import Dict, List, Optional
 from urllib.parse import urlparse
 
@@ -75,7 +74,7 @@ def __init__(
         self.command = command
         self.docker = docker
         self.error = error
-        self.extra_data = extra_data
+        self.extra_data = extra_data or {}
         self.flags = flags
         self.local_host = local_host
         self.status_code = status_code
diff --git a/fideslog/sdk/python/requirements.txt b/fideslog/sdk/python/requirements.txt
index e1814cc..5987fa6 100644
--- a/fideslog/sdk/python/requirements.txt
+++ b/fideslog/sdk/python/requirements.txt
@@ -1,4 +1,4 @@
+aiohttp[speedups]==3.8.1
 bcrypt~=3.2.0
-requests==2.27.1
 types-requests==2.27.11
 versioneer>=0.19
diff --git a/tests/sdk/test_sdk.py b/tests/sdk/test_sdk.py
index 99f25c9..2cbf9ba 100644
--- a/tests/sdk/test_sdk.py
+++ b/tests/sdk/test_sdk.py
@@ -57,7 +57,7 @@ def test_create_client_attribute(test_create_client: AnalyticsClient) -> None:
     """
 
     assert test_create_client.client_id == "fake_client_id"
-    assert test_create_client.extra_data is None
+    assert test_create_client.extra_data == {}
 
 
 def test_basic_event_payload(test_basic_additional_payload: AnalyticsEvent) -> None: