diff --git a/homeassistant/components/traccar/__init__.py b/homeassistant/components/traccar/__init__.py
index 5b9bc2551b7..e8c151179ce 100644
--- a/homeassistant/components/traccar/__init__.py
+++ b/homeassistant/components/traccar/__init__.py
@@ -1,9 +1,12 @@
 """Support for Traccar Client."""
 
 from http import HTTPStatus
+from json import JSONDecodeError
+import logging
 
 from aiohttp import web
 import voluptuous as vol
+from voluptuous.humanize import humanize_error
 
 from homeassistant.components import webhook
 from homeassistant.config_entries import ConfigEntry
@@ -20,7 +23,6 @@ from .const import (
     ATTR_LATITUDE,
     ATTR_LONGITUDE,
     ATTR_SPEED,
-    ATTR_TIMESTAMP,
     DOMAIN,
 )
 
@@ -29,6 +31,7 @@ PLATFORMS = [Platform.DEVICE_TRACKER]
 
 TRACKER_UPDATE = f"{DOMAIN}_tracker_update"
 
+LOGGER = logging.getLogger(__name__)
 
 DEFAULT_ACCURACY = 200
 DEFAULT_BATTERY = -1
@@ -49,21 +52,50 @@ WEBHOOK_SCHEMA = vol.Schema(
         vol.Optional(ATTR_BATTERY, default=DEFAULT_BATTERY): vol.Coerce(float),
         vol.Optional(ATTR_BEARING): vol.Coerce(float),
         vol.Optional(ATTR_SPEED): vol.Coerce(float),
-        vol.Optional(ATTR_TIMESTAMP): vol.Coerce(int),
     },
     extra=vol.REMOVE_EXTRA,
 )
 
 
+def _parse_json_body(json_body: dict) -> dict:
+    """Parse JSON body from request."""
+    location = json_body.get("location", {})
+    coords = location.get("coords", {})
+    battery_level = location.get("battery", {}).get("level")
+    return {
+        "id": json_body.get("device_id"),
+        "lat": coords.get("latitude"),
+        "lon": coords.get("longitude"),
+        "accuracy": coords.get("accuracy"),
+        "altitude": coords.get("altitude"),
+        "batt": battery_level * 100 if battery_level is not None else DEFAULT_BATTERY,
+        "bearing": coords.get("heading"),
+        "speed": coords.get("speed"),
+    }
+
+
 async def handle_webhook(
-    hass: HomeAssistant, webhook_id: str, request: web.Request
+    hass: HomeAssistant,
+    webhook_id: str,
+    request: web.Request,
 ) -> web.Response:
     """Handle incoming webhook with Traccar Client request."""
+    if not (requestdata := dict(request.query)):
+        try:
+            requestdata = _parse_json_body(await request.json())
+        except JSONDecodeError as error:
+            LOGGER.error("Error parsing JSON body: %s", error)
+            return web.Response(
+                text="Invalid JSON",
+                status=HTTPStatus.UNPROCESSABLE_ENTITY,
+            )
     try:
-        data = WEBHOOK_SCHEMA(dict(request.query))
+        data = WEBHOOK_SCHEMA(requestdata)
     except vol.MultipleInvalid as error:
+        LOGGER.warning(humanize_error(requestdata, error))
         return web.Response(
-            text=error.error_message, status=HTTPStatus.UNPROCESSABLE_ENTITY
+            text=error.error_message,
+            status=HTTPStatus.UNPROCESSABLE_ENTITY,
         )
 
     attrs = {
diff --git a/homeassistant/components/traccar/const.py b/homeassistant/components/traccar/const.py
index df4bfa8ec99..f6928cc9ee9 100644
--- a/homeassistant/components/traccar/const.py
+++ b/homeassistant/components/traccar/const.py
@@ -17,7 +17,6 @@ ATTR_LONGITUDE = "lon"
 ATTR_MOTION = "motion"
 ATTR_SPEED = "speed"
 ATTR_STATUS = "status"
-ATTR_TIMESTAMP = "timestamp"
 ATTR_TRACKER = "tracker"
 ATTR_TRACCAR_ID = "traccar_id"
 
diff --git a/tests/components/traccar/test_init.py b/tests/components/traccar/test_init.py
index fb90262a084..eb864cadd87 100644
--- a/tests/components/traccar/test_init.py
+++ b/tests/components/traccar/test_init.py
@@ -146,8 +146,12 @@ async def test_enter_and_exit(
     assert len(entity_registry.entities) == 1
 
 
-async def test_enter_with_attrs(hass: HomeAssistant, client, webhook_id) -> None:
-    """Test when additional attributes are present."""
+async def test_enter_with_attrs_as_query(
+    hass: HomeAssistant,
+    client,
+    webhook_id,
+) -> None:
+    """Test when additional attributes are present URL query."""
     url = f"/api/webhook/{webhook_id}"
     data = {
         "timestamp": 123456789,
@@ -197,6 +201,45 @@ async def test_enter_with_attrs(hass: HomeAssistant, client, webhook_id) -> None
     assert state.attributes["altitude"] == 123
 
 
+async def test_enter_with_attrs_as_payload(
+    hass: HomeAssistant, client, webhook_id
+) -> None:
+    """Test when additional attributes are present in JSON payload."""
+    url = f"/api/webhook/{webhook_id}"
+    data = {
+        "location": {
+            "coords": {
+                "heading": "105.32",
+                "latitude": "1.0",
+                "longitude": "1.1",
+                "accuracy": 10.5,
+                "altitude": 102.0,
+                "speed": 100.0,
+            },
+            "extras": {},
+            "manual": True,
+            "is_moving": False,
+            "_": "&id=123&lat=1.0&lon=1.1&timestamp=2013-09-17T07:32:51Z&",
+            "odometer": 0,
+            "activity": {"type": "still"},
+            "timestamp": "2013-09-17T07:32:51Z",
+            "battery": {"level": 0.1, "is_charging": False},
+        },
+        "device_id": "123",
+    }
+
+    req = await client.post(url, json=data)
+    await hass.async_block_till_done()
+    assert req.status == HTTPStatus.OK
+    state = hass.states.get(f"{DEVICE_TRACKER_DOMAIN}.{data['device_id']}")
+    assert state.state == STATE_NOT_HOME
+    assert state.attributes["gps_accuracy"] == 10.5
+    assert state.attributes["battery_level"] == 10.0
+    assert state.attributes["speed"] == 100.0
+    assert state.attributes["bearing"] == 105.32
+    assert state.attributes["altitude"] == 102.0
+
+
 async def test_two_devices(hass: HomeAssistant, client, webhook_id) -> None:
     """Test updating two different devices."""
     url = f"/api/webhook/{webhook_id}"