Index: src/__phutil_library_map__.php
===================================================================
--- src/__phutil_library_map__.php
+++ src/__phutil_library_map__.php
@@ -201,6 +201,9 @@
     'ConduitAPI_phpast_Method' => 'applications/phpast/conduit/ConduitAPI_phpast_Method.php',
     'ConduitAPI_phpast_getast_Method' => 'applications/phpast/conduit/ConduitAPI_phpast_getast_Method.php',
     'ConduitAPI_phpast_version_Method' => 'applications/phpast/conduit/ConduitAPI_phpast_version_Method.php',
+    'ConduitAPI_phrequent_Method' => 'applications/phrequent/conduit/ConduitAPI_phrequent_Method.php',
+    'ConduitAPI_phrequent_start_Method' => 'applications/phrequent/conduit/ConduitAPI_phrequent_start_Method.php',
+    'ConduitAPI_phrequent_stop_Method' => 'applications/phrequent/conduit/ConduitAPI_phrequent_stop_Method.php',
     'ConduitAPI_phriction_Method' => 'applications/phriction/conduit/ConduitAPI_phriction_Method.php',
     'ConduitAPI_phriction_edit_Method' => 'applications/phriction/conduit/ConduitAPI_phriction_edit_Method.php',
     'ConduitAPI_phriction_history_Method' => 'applications/phriction/conduit/ConduitAPI_phriction_history_Method.php',
@@ -2319,6 +2322,9 @@
     'ConduitAPI_phpast_Method' => 'ConduitAPIMethod',
     'ConduitAPI_phpast_getast_Method' => 'ConduitAPI_phpast_Method',
     'ConduitAPI_phpast_version_Method' => 'ConduitAPI_phpast_Method',
+    'ConduitAPI_phrequent_Method' => 'ConduitAPIMethod',
+    'ConduitAPI_phrequent_start_Method' => 'ConduitAPI_phrequent_Method',
+    'ConduitAPI_phrequent_stop_Method' => 'ConduitAPI_phrequent_Method',
     'ConduitAPI_phriction_Method' => 'ConduitAPIMethod',
     'ConduitAPI_phriction_edit_Method' => 'ConduitAPI_phriction_Method',
     'ConduitAPI_phriction_history_Method' => 'ConduitAPI_phriction_Method',
Index: src/applications/phrequent/conduit/ConduitAPI_phrequent_Method.php
===================================================================
--- /dev/null
+++ src/applications/phrequent/conduit/ConduitAPI_phrequent_Method.php
@@ -0,0 +1,13 @@
+<?php
+/**
+ * @group conduit
+ */
+abstract class ConduitAPI_phrequent_Method extends ConduitAPIMethod {
+
+  public function getApplication() {
+    return PhabricatorApplication::getByClass(
+      'PhabricatorApplicationPhrequent');
+  }
+
+
+}
Index: src/applications/phrequent/conduit/ConduitAPI_phrequent_start_Method.php
===================================================================
--- /dev/null
+++ src/applications/phrequent/conduit/ConduitAPI_phrequent_start_Method.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ *@group conduit
+ */
+final class ConduitAPI_phrequent_start_Method
+  extends ConduitAPI_phrequent_Method {
+
+  public function getMethodDescription() {
+    return "Start tracking time on an object.";
+  }
+
+  public function getMethodStatus() {
+    return self::METHOD_STATUS_UNSTABLE;
+  }
+
+  public function defineParamTypes() {
+    return array(
+      'object'          => 'required phid'
+    );
+  }
+
+  public function defineReturnType() {
+    return 'bool';
+  }
+
+  public function defineErrorTypes() {
+    return array(
+    );
+  }
+
+  protected function execute(ConduitAPIRequest $request) {
+    $user_id = $request->getUser()->getPHID();
+    $object_id = $request->getValue('object');
+
+    $usertime = new PhrequentUserTime();
+    $usertime->setDateStarted(time());
+    $usertime->setUserPHID($user_id);
+    $usertime->setObjectPHID($object_id);
+    $usertime->save();
+
+    return true;
+  }
+
+}
Index: src/applications/phrequent/conduit/ConduitAPI_phrequent_stop_Method.php
===================================================================
--- /dev/null
+++ src/applications/phrequent/conduit/ConduitAPI_phrequent_stop_Method.php
@@ -0,0 +1,60 @@
+<?php
+
+/**
+ *@group conduit
+ */
+final class ConduitAPI_phrequent_stop_Method
+  extends ConduitAPI_phrequent_Method {
+
+  public function getMethodDescription() {
+    return "Stop tracking time on an object.";
+  }
+
+  public function getMethodStatus() {
+    return self::METHOD_STATUS_UNSTABLE;
+  }
+
+  public function defineParamTypes() {
+    return array(
+      'object'          => 'required phid'
+    );
+  }
+
+  public function defineReturnType() {
+    return 'bool';
+  }
+
+  public function defineErrorTypes() {
+    return array(
+    );
+  }
+
+  protected function execute(ConduitAPIRequest $request) {
+    $user = $request->getUser();
+    $phid = $request->getValue('object');
+
+    if (!PhrequentUserTimeQuery::isUserTrackingObject($user, $phid)) {
+      // Don't do anything, it's not being tracked.
+      return false;
+    }
+
+    $usertime_dao = new PhrequentUserTime();
+    $conn = $usertime_dao->establishConnection('r');
+
+    queryfx(
+      $conn,
+      'UPDATE %T usertime '.
+      'SET usertime.dateEnded = UNIX_TIMESTAMP() '.
+      'WHERE usertime.userPHID = %s '.
+      'AND usertime.objectPHID = %s '.
+      'AND usertime.dateEnded IS NULL '.
+      'ORDER BY usertime.dateStarted, usertime.id DESC '.
+      'LIMIT 1',
+      $usertime_dao->getTableName(),
+      $user->getPHID(),
+      $phid);
+
+    return true;
+  }
+
+}