diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -1494,6 +1494,7 @@
     'ManiphestPointsConfigOptionType' => 'applications/maniphest/config/ManiphestPointsConfigOptionType.php',
     'ManiphestPriorityConfigOptionType' => 'applications/maniphest/config/ManiphestPriorityConfigOptionType.php',
     'ManiphestPriorityEmailCommand' => 'applications/maniphest/command/ManiphestPriorityEmailCommand.php',
+    'ManiphestPrioritySearchConduitAPIMethod' => 'applications/maniphest/conduit/ManiphestPrioritySearchConduitAPIMethod.php',
     'ManiphestProjectNameFulltextEngineExtension' => 'applications/maniphest/engineextension/ManiphestProjectNameFulltextEngineExtension.php',
     'ManiphestQueryConduitAPIMethod' => 'applications/maniphest/conduit/ManiphestQueryConduitAPIMethod.php',
     'ManiphestQueryStatusesConduitAPIMethod' => 'applications/maniphest/conduit/ManiphestQueryStatusesConduitAPIMethod.php',
@@ -6593,6 +6594,7 @@
     'ManiphestPointsConfigOptionType' => 'PhabricatorConfigJSONOptionType',
     'ManiphestPriorityConfigOptionType' => 'PhabricatorConfigJSONOptionType',
     'ManiphestPriorityEmailCommand' => 'ManiphestEmailCommand',
+    'ManiphestPrioritySearchConduitAPIMethod' => 'ManiphestConduitAPIMethod',
     'ManiphestProjectNameFulltextEngineExtension' => 'PhabricatorFulltextEngineExtension',
     'ManiphestQueryConduitAPIMethod' => 'ManiphestConduitAPIMethod',
     'ManiphestQueryStatusesConduitAPIMethod' => 'ManiphestConduitAPIMethod',
diff --git a/src/applications/maniphest/conduit/ManiphestPrioritySearchConduitAPIMethod.php b/src/applications/maniphest/conduit/ManiphestPrioritySearchConduitAPIMethod.php
new file mode 100644
--- /dev/null
+++ b/src/applications/maniphest/conduit/ManiphestPrioritySearchConduitAPIMethod.php
@@ -0,0 +1,44 @@
+<?php
+
+final class ManiphestPrioritySearchConduitAPIMethod
+  extends ManiphestConduitAPIMethod {
+
+  public function getAPIMethodName() {
+    return 'maniphest.priority.search';
+  }
+
+  public function getMethodSummary() {
+    return pht('Read information about task priorities.');
+  }
+
+  public function getMethodDescription() {
+    return pht(
+      'Returns information about the possible priorities for Maniphest '.
+      'tasks.');
+  }
+
+  protected function defineParamTypes() {
+    return array();
+  }
+
+  protected function defineReturnType() {
+    return 'map<string, wild>';
+  }
+
+  public function getRequiredScope() {
+    return self::SCOPE_ALWAYS;
+  }
+
+  protected function execute(ConduitAPIRequest $request) {
+    $config = ManiphestTaskPriority::getConfig();
+
+    $results = array();
+    foreach ($config as $code => $priority) {
+      $priority['value'] = $code;
+      $results[] = $priority;
+    }
+
+    return array('data' => $results);
+  }
+
+}
diff --git a/src/applications/maniphest/constants/ManiphestTaskPriority.php b/src/applications/maniphest/constants/ManiphestTaskPriority.php
--- a/src/applications/maniphest/constants/ManiphestTaskPriority.php
+++ b/src/applications/maniphest/constants/ManiphestTaskPriority.php
@@ -110,7 +110,7 @@
     return idx($config, 'disabled', false);
   }
 
-  private static function getConfig() {
+  public static function getConfig() {
     $config = PhabricatorEnv::getEnvConfig('maniphest.priorities');
     krsort($config);
     return $config;