diff --git a/README.md b/README.md
index a8eac7ba3..65b79d3b1 100644
--- a/README.md
+++ b/README.md
@@ -109,19 +109,20 @@ The API can be invoked by sending an explicit Intent to start an activity.
 * Debug: `de.dennisguse.opentracks.debug`
 * Nightly: `de.dennisguse.opentracks.nightly`
 
-`Class`:
-
+`Classes`:
 * **Start a recording:**  `de.dennisguse.opentracks.publicapi.StartRecording`
+    * Set track data: `TRACK_NAME`, `TRACK_DESCRIPTION`, `TRACK_CATEGORY`, and `TRACK_ICON` (
+      non-localized identifier
+      see [/src/main/java/de/dennisguse/opentracks/util/TrackIconUtils.java#L38](/src/main/java/de/dennisguse/opentracks/util/TrackIconUtils.java#L38)).
+      NOTE: if `TRACK_ICON` is not present, `TRACK_CATEGORY` will be used to determine the icon (
+      localized).
+    * Send recorded data to another application via _Dashboard API_: `STATS_TARGET_PACKAGE` and
+      `STATS_TARGET_CLASS`
 * **Stop a recording:**  `de.dennisguse.opentracks.publicapi.StopRecording`
+* **Create a marker:**  `de.dennisguse.opentracks.publicapi.CreateMarker`
 
 For testing via adb: `adb shell am start -e someParameter someValue -n "package/class"`
 
-`StartRecording` supports the following parameters:
-
-* Set track data: `TRACK_NAME`, `TRACK_DESCRIPTION`, `TRACK_CATEGORY`, and `TRACK_ICON` (non-localized identifier see [/src/main/java/de/dennisguse/opentracks/util/TrackIconUtils.java#L38](/src/main/java/de/dennisguse/opentracks/util/TrackIconUtils.java#L38)). 
-  NOTE: if `TRACK_ICON` is not present, `TRACK_CATEGORY` will be used to determine the icon (localized).
-* Send recorded data to another application via _Dashboard API_: `STATS_TARGET_PACKAGE` and `STATS_TARGET_CLASS`
-
 The Public API is disabled by default to protect the user's privacy, but it can easily be enabled in the settings.
 
 ## File formats compatibility with open-source software
diff --git a/src/androidTest/java/de/dennisguse/opentracks/data/CustomContentProviderUtilsTest.java b/src/androidTest/java/de/dennisguse/opentracks/data/CustomContentProviderUtilsTest.java
index 94dc1238d..6f1cdeea9 100644
--- a/src/androidTest/java/de/dennisguse/opentracks/data/CustomContentProviderUtilsTest.java
+++ b/src/androidTest/java/de/dennisguse/opentracks/data/CustomContentProviderUtilsTest.java
@@ -482,7 +482,7 @@ public class CustomContentProviderUtilsTest {
         assertEquals(contentProviderUtils.getMarkers(trackId).size(), 1);
 
         // Get marker id that needs to delete.
-        Marker.Id marker1Id = new Marker.Id(ContentUris.parseId(contentProviderUtils.insertMarker(marker1)));
+        Marker.Id marker1Id = contentProviderUtils.insertMarker(marker1);
 
         // Delete
         contentProviderUtils.deleteMarker(context, marker1Id);
@@ -509,7 +509,7 @@ public class CustomContentProviderUtilsTest {
         assertEquals(contentProviderUtils.getMarkers(trackId).size(), 1);
 
         // Get marker id that needs to delete.
-        Marker.Id marker1Id = new Marker.Id(ContentUris.parseId(contentProviderUtils.insertMarker(marker1)));
+        Marker.Id marker1Id = contentProviderUtils.insertMarker(marker1);
 
         // Check marker has photo and it's in the external storage.
         assertTrue(marker1.hasPhoto());
@@ -553,11 +553,11 @@ public class CustomContentProviderUtilsTest {
         // Insert at first.
         Marker marker1 = new Marker(trackId, contentProviderUtils.getLastValidTrackPoint(trackId));
         marker1.setDescription(MOCK_DESC);
-        Marker.Id marker1Id = new Marker.Id(ContentUris.parseId(contentProviderUtils.insertMarker(marker1)));
+        Marker.Id marker1Id = contentProviderUtils.insertMarker(marker1);
 
         Marker marker2 = new Marker(trackId, contentProviderUtils.getLastValidTrackPoint(trackId));
         marker2.setDescription(MOCK_DESC);
-        Marker.Id marker2Id = new Marker.Id(ContentUris.parseId(contentProviderUtils.insertMarker(marker2)));
+        Marker.Id marker2Id = contentProviderUtils.insertMarker(marker2);
 
         // Delete
         assertNotNull(contentProviderUtils.getMarker(marker1Id));
@@ -598,7 +598,7 @@ public class CustomContentProviderUtilsTest {
 
         Marker marker = new Marker(trackId, contentProviderUtils.getLastValidTrackPoint(trackId));
         marker.setDescription(TEST_DESC);
-        Marker.Id markerId = new Marker.Id(ContentUris.parseId(contentProviderUtils.insertMarker(marker)));
+        Marker.Id markerId = contentProviderUtils.insertMarker(marker);
 
         assertEquals(TEST_DESC, contentProviderUtils.getMarker(markerId).getDescription());
     }
@@ -614,7 +614,7 @@ public class CustomContentProviderUtilsTest {
         // Insert at first.
         Marker marker = new Marker(trackId, contentProviderUtils.getLastValidTrackPoint(trackId));
         marker.setDescription(TEST_DESC);
-        Marker.Id markerId = new Marker.Id(ContentUris.parseId(contentProviderUtils.insertMarker(marker)));
+        Marker.Id markerId = contentProviderUtils.insertMarker(marker);
 
         // Update
         marker = contentProviderUtils.getMarker(markerId);
@@ -638,7 +638,7 @@ public class CustomContentProviderUtilsTest {
         TrackPoint trackPoint = contentProviderUtils.getLastValidTrackPoint(trackId);
         Marker marker = TestDataUtil.createMarkerWithPhoto(context, trackId, trackPoint);
         marker.setDescription(TEST_DESC);
-        Marker.Id markerId = new Marker.Id(ContentUris.parseId(contentProviderUtils.insertMarker(marker)));
+        Marker.Id markerId = contentProviderUtils.insertMarker(marker);
 
         File dir = new File(FileUtils.getPhotoDir(context), "" + trackId.id());
         assertTrue(dir.exists());
@@ -673,7 +673,7 @@ public class CustomContentProviderUtilsTest {
         TrackPoint trackPoint = contentProviderUtils.getLastValidTrackPoint(trackId);
         Marker marker = TestDataUtil.createMarkerWithPhoto(context, trackId, trackPoint);
         marker.setDescription(TEST_DESC);
-        Marker.Id markerId = new Marker.Id(ContentUris.parseId(contentProviderUtils.insertMarker(marker)));
+        Marker.Id markerId = contentProviderUtils.insertMarker(marker);
 
         File dir = new File(FileUtils.getPhotoDir(context), "" + trackId.id());
         assertTrue(dir.exists());
@@ -709,7 +709,7 @@ public class CustomContentProviderUtilsTest {
         marker.setDescription(TEST_DESC);
         Marker otherMarker = TestDataUtil.createMarkerWithPhoto(context, trackId, trackPoint);
         otherMarker.setDescription(TEST_DESC);
-        Marker.Id markerId = new Marker.Id(ContentUris.parseId(contentProviderUtils.insertMarker(marker)));
+        Marker.Id markerId = contentProviderUtils.insertMarker(marker);
         contentProviderUtils.insertMarker(otherMarker);
 
         File dir = new File(FileUtils.getPhotoDir(context), "" + trackId.id());
diff --git a/src/main/AndroidManifest.xml b/src/main/AndroidManifest.xml
index 9c5bf3d96..fe1887807 100644
--- a/src/main/AndroidManifest.xml
+++ b/src/main/AndroidManifest.xml
@@ -98,6 +98,14 @@ limitations under the License.
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
+        <activity
+            android:name=".publicapi.CreateMarker"
+            android:exported="true"
+            android:theme="@style/SplashTheme">
+            <intent-filter>
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
 
         <!-- NOTE: the name of the MAIN/LAUNCHER is used by icon packs; if this is changed, icon packs break.-->
         <activity
diff --git a/src/main/java/de/dennisguse/opentracks/data/ContentProviderUtils.java b/src/main/java/de/dennisguse/opentracks/data/ContentProviderUtils.java
index 7d6d9e5b0..d609454a5 100644
--- a/src/main/java/de/dennisguse/opentracks/data/ContentProviderUtils.java
+++ b/src/main/java/de/dennisguse/opentracks/data/ContentProviderUtils.java
@@ -487,12 +487,11 @@ public class ContentProviderUtils {
         return markers;
     }
 
-    /**
-     * @return the content provider URI of the inserted marker.
-     */
-    public Uri insertMarker(@NonNull Marker marker) {
+    // TODO Merge with updateMarker
+    public Marker.Id insertMarker(@NonNull Marker marker) {
         marker.setId(null);
-        return contentResolver.insert(MarkerColumns.CONTENT_URI, createContentValues(marker));
+        Uri uri = contentResolver.insert(MarkerColumns.CONTENT_URI, createContentValues(marker));
+        return new Marker.Id(ContentUris.parseId(uri));
     }
 
     private void deleteMarkerPhoto(Context context, Marker marker) {
diff --git a/src/main/java/de/dennisguse/opentracks/publicapi/AbstractAPIActivity.java b/src/main/java/de/dennisguse/opentracks/publicapi/AbstractAPIActivity.java
index a725cf627..1bcb6b60c 100644
--- a/src/main/java/de/dennisguse/opentracks/publicapi/AbstractAPIActivity.java
+++ b/src/main/java/de/dennisguse/opentracks/publicapi/AbstractAPIActivity.java
@@ -13,7 +13,7 @@ import de.dennisguse.opentracks.services.TrackRecordingService;
 import de.dennisguse.opentracks.services.TrackRecordingServiceConnection;
 import de.dennisguse.opentracks.settings.PreferencesUtils;
 
-public abstract class AbstractAPIActivity extends AppCompatActivity {
+abstract class AbstractAPIActivity extends AppCompatActivity {
 
     private final String TAG = AbstractAPIActivity.class.getSimpleName();
 
diff --git a/src/main/java/de/dennisguse/opentracks/publicapi/CreateMarker.java b/src/main/java/de/dennisguse/opentracks/publicapi/CreateMarker.java
new file mode 100644
index 000000000..c52e7a223
--- /dev/null
+++ b/src/main/java/de/dennisguse/opentracks/publicapi/CreateMarker.java
@@ -0,0 +1,16 @@
+package de.dennisguse.opentracks.publicapi;
+
+import de.dennisguse.opentracks.services.TrackRecordingService;
+
+public class CreateMarker extends AbstractAPIActivity {
+
+    @Override
+    protected void execute(TrackRecordingService service) {
+        service.createMarker();
+    }
+
+    @Override
+    protected boolean isPostExecuteStopService() {
+        return false;
+    }
+}
diff --git a/src/main/java/de/dennisguse/opentracks/publicapi/CreateMarkerActivity.java b/src/main/java/de/dennisguse/opentracks/publicapi/CreateMarkerActivity.java
index 5d9eff6cd..8c1f8b27b 100644
--- a/src/main/java/de/dennisguse/opentracks/publicapi/CreateMarkerActivity.java
+++ b/src/main/java/de/dennisguse/opentracks/publicapi/CreateMarkerActivity.java
@@ -12,7 +12,7 @@ import de.dennisguse.opentracks.ui.markers.MarkerEditActivity;
 import de.dennisguse.opentracks.util.IntentUtils;
 
 /**
- * Public API to creates a Marker for a given track with a given location
+ * INTERNAL: only meant for clients of OSMDashboard API.
  */
 public class CreateMarkerActivity extends AppCompatActivity {
 
diff --git a/src/main/java/de/dennisguse/opentracks/publicapi/ShowMarkerActivity.java b/src/main/java/de/dennisguse/opentracks/publicapi/ShowMarkerActivity.java
index 9f01a5835..e29b172c9 100644
--- a/src/main/java/de/dennisguse/opentracks/publicapi/ShowMarkerActivity.java
+++ b/src/main/java/de/dennisguse/opentracks/publicapi/ShowMarkerActivity.java
@@ -13,7 +13,7 @@ import de.dennisguse.opentracks.ui.markers.MarkerDetailActivity;
 import de.dennisguse.opentracks.util.IntentUtils;
 
 /**
- * Public api to show an existing marker
+ * INTERNAL: only meant for clients of OSMDashboard API.
  */
 public class ShowMarkerActivity extends AppCompatActivity {
 
diff --git a/src/main/java/de/dennisguse/opentracks/services/TrackRecordingService.java b/src/main/java/de/dennisguse/opentracks/services/TrackRecordingService.java
index 4481a7f78..a5b65f228 100644
--- a/src/main/java/de/dennisguse/opentracks/services/TrackRecordingService.java
+++ b/src/main/java/de/dennisguse/opentracks/services/TrackRecordingService.java
@@ -36,7 +36,9 @@ import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.time.Duration;
 
+import de.dennisguse.opentracks.data.ContentProviderUtils;
 import de.dennisguse.opentracks.data.models.Distance;
+import de.dennisguse.opentracks.data.models.Marker;
 import de.dennisguse.opentracks.data.models.Track;
 import de.dennisguse.opentracks.data.models.TrackPoint;
 import de.dennisguse.opentracks.sensors.sensorData.SensorDataSet;
@@ -243,6 +245,20 @@ public class TrackRecordingService extends Service implements TrackPointCreator.
         gpsStatusObservable.postValue(STATUS_GPS_DEFAULT);
     }
 
+    public Marker.Id createMarker() {
+        if (!isRecording()) {
+            return null;
+        }
+
+        //TODO This contains some duplication to TrackRecodingActivity's Marker creation
+        TrackPoint trackPoint = trackRecordingManager.getLastStoredTrackPointWithLocation();
+        if (trackPoint == null) {
+            return null;
+        }
+        Marker marker = new Marker(recordingStatus.trackId(), trackPoint);
+        return new ContentProviderUtils(this).insertMarker(marker);
+    }
+
     @Override
     public boolean newTrackPoint(TrackPoint trackPoint, Distance thresholdHorizontalAccuracy) {
         if (!isRecording()) {