diff --git a/mod/quiz/classes/external.php b/mod/quiz/classes/external.php
index 11835cca62b..9087bc48f74 100644
--- a/mod/quiz/classes/external.php
+++ b/mod/quiz/classes/external.php
@@ -787,6 +787,9 @@ class mod_quiz_external extends external_api {
 
         $attemptobj = quiz_attempt::create($params['attemptid']);
 
+        // If the attempt is now overdue, or abandoned, deal with that.
+        $attemptobj->handle_if_time_expired(time(), true);
+
         $context = context_module::instance($attemptobj->get_cm()->id);
         self::validate_context($context);
 
@@ -831,23 +834,27 @@ class mod_quiz_external extends external_api {
             $accessmanager->notify_preflight_check_passed($params['attemptid']);
         }
 
-        // Check if the page is out of range.
-        if ($params['page'] != $attemptobj->force_page_number_into_range($params['page'])) {
-            throw new moodle_quiz_exception($attemptobj->get_quizobj(), 'Invalid page number');
-        }
-
-        // Prevent out of sequence access.
-        if ($attemptobj->get_currentpage() != $params['page']) {
-            if ($attemptobj->get_navigation_method() == QUIZ_NAVMETHOD_SEQ && $attemptobj->get_currentpage() > $params['page']) {
-                throw new moodle_quiz_exception($attemptobj->get_quizobj(), 'Out of sequence access');
+        if (isset($params['page'])) {
+            // Check if the page is out of range.
+            if ($params['page'] != $attemptobj->force_page_number_into_range($params['page'])) {
+                throw new moodle_quiz_exception($attemptobj->get_quizobj(), 'Invalid page number');
             }
-        }
 
-        // Check slots.
-        $slots = $attemptobj->get_slots($params['page']);
+            // Prevent out of sequence access.
+            if ($attemptobj->get_currentpage() != $params['page']) {
+                if ($attemptobj->get_navigation_method() == QUIZ_NAVMETHOD_SEQ &&
+                        $attemptobj->get_currentpage() > $params['page']) {
 
-        if (empty($slots)) {
-            throw new moodle_quiz_exception($attemptobj->get_quizobj(), 'noquestionsfound');
+                    throw new moodle_quiz_exception($attemptobj->get_quizobj(), 'Out of sequence access');
+                }
+            }
+
+            // Check slots.
+            $slots = $attemptobj->get_slots($params['page']);
+
+            if (empty($slots)) {
+                throw new moodle_quiz_exception($attemptobj->get_quizobj(), 'noquestionsfound');
+            }
         }
 
         return array($attemptobj, $messages);
@@ -1002,4 +1009,68 @@ class mod_quiz_external extends external_api {
         );
     }
 
+    /**
+     * Describes the parameters for get_attempt_summary.
+     *
+     * @return external_external_function_parameters
+     * @since Moodle 3.1
+     */
+    public static function get_attempt_summary_parameters() {
+        return new external_function_parameters (
+            array(
+                'attemptid' => new external_value(PARAM_INT, 'attempt id'),
+                'preflightdata' => new external_multiple_structure(
+                    new external_single_structure(
+                        array(
+                            'name' => new external_value(PARAM_ALPHANUMEXT, 'data name'),
+                            'value' => new external_value(PARAM_RAW, 'data value'),
+                        )
+                    ), 'Preflight required data (like passwords)', VALUE_DEFAULT, array()
+                )
+            )
+        );
+    }
+
+    /**
+     * Returns a summary of a quiz attempt before it is submitted.
+     *
+     * @param int $attemptid attempt id
+     * @param int $preflightdata preflight required data (like passwords)
+     * @return array of warnings and the attempt summary data for each question
+     * @since Moodle 3.1
+     */
+    public static function get_attempt_summary($attemptid, $preflightdata = array()) {
+
+        $warnings = array();
+
+        $params = array(
+            'attemptid' => $attemptid,
+            'preflightdata' => $preflightdata,
+        );
+        $params = self::validate_parameters(self::get_attempt_summary_parameters(), $params);
+
+        list($attemptobj, $messages) = self::validate_attempt($params);
+
+        $result = array();
+        $result['warnings'] = $warnings;
+        $result['questions'] = self::get_attempt_questions_data($attemptobj, false, 'all');
+
+        return $result;
+    }
+
+    /**
+     * Describes the get_attempt_summary return value.
+     *
+     * @return external_single_structure
+     * @since Moodle 3.1
+     */
+    public static function get_attempt_summary_returns() {
+        return new external_single_structure(
+            array(
+                'questions' => new external_multiple_structure(self::question_structure()),
+                'warnings' => new external_warnings(),
+            )
+        );
+    }
+
 }
diff --git a/mod/quiz/db/services.php b/mod/quiz/db/services.php
index 8ee0227c0b3..9f3e84f9333 100644
--- a/mod/quiz/db/services.php
+++ b/mod/quiz/db/services.php
@@ -91,4 +91,13 @@ $functions = array(
         'capabilities'  => 'mod/quiz:attempt',
         'services'      => array(MOODLE_OFFICIAL_MOBILE_SERVICE)
     ),
+
+    'mod_quiz_get_attempt_summary' => array(
+        'classname'     => 'mod_quiz_external',
+        'methodname'    => 'get_attempt_summary',
+        'description'   => 'Returns a summary of a quiz attempt before it is submitted.',
+        'type'          => 'read',
+        'capabilities'  => 'mod/quiz:attempt',
+        'services'      => array(MOODLE_OFFICIAL_MOBILE_SERVICE)
+    ),
 );
diff --git a/mod/quiz/tests/external_test.php b/mod/quiz/tests/external_test.php
index bd8a74133c8..f2c42c86302 100644
--- a/mod/quiz/tests/external_test.php
+++ b/mod/quiz/tests/external_test.php
@@ -764,21 +764,7 @@ class mod_quiz_external_testcase extends externallib_advanced_testcase {
         $this->assertEquals($attempt->id, $result[0]->get_attempt()->id);
         $this->assertEquals([], $result[1]);
 
-        // Try to open attempt in closed quiz.
-        $quiz->timeopen = time() - WEEKSECS;
-        $quiz->timeclose = time() - DAYSECS;
-        $DB->update_record('quiz', $quiz);
-
-        try {
-            testable_mod_quiz_external::validate_attempt($params);
-            $this->fail('Exception expected due to passed dates.');
-        } catch (moodle_quiz_exception $e) {
-            $this->assertEquals('attempterror', $e->errorcode);
-        }
-
         // Page out of range.
-        $quiz->timeopen = 0;
-        $quiz->timeclose = 0;
         $DB->update_record('quiz', $quiz);
         $params['page'] = 4;
         try {
@@ -788,6 +774,18 @@ class mod_quiz_external_testcase extends externallib_advanced_testcase {
             $this->assertEquals('Invalid page number', $e->errorcode);
         }
 
+        $params['page'] = 0;
+        // Try to open attempt in closed quiz.
+        $quiz->timeopen = time() - WEEKSECS;
+        $quiz->timeclose = time() - DAYSECS;
+        $DB->update_record('quiz', $quiz);
+        try {
+            testable_mod_quiz_external::validate_attempt($params);
+            $this->fail('Exception expected due to passed dates.');
+        } catch (moodle_quiz_exception $e) {
+            $this->assertEquals('attemptalreadyclosed', $e->errorcode);
+        }
+
         // Finish the attempt.
         $attemptobj = quiz_attempt::create($attempt->id);
         $attemptobj->process_finish(time(), false);
@@ -912,4 +910,44 @@ class mod_quiz_external_testcase extends externallib_advanced_testcase {
 
     }
 
+    /**
+     * Test get_attempt_summary
+     */
+    public function test_get_attempt_summary() {
+
+        // Create a new quiz with one attempt started.
+        list($quiz, $context, $quizobj, $attempt, $attemptobj) = $this->create_quiz_with_questions(true);
+
+        $this->setUser($this->student);
+        $result = mod_quiz_external::get_attempt_summary($attempt->id);
+        $result = external_api::clean_returnvalue(mod_quiz_external::get_attempt_summary_returns(), $result);
+
+        // Check the state, flagged and mark data is correct.
+        $this->assertEquals('todo', $result['questions'][0]['state']);
+        $this->assertEquals('todo', $result['questions'][1]['state']);
+        $this->assertEquals(1, $result['questions'][0]['number']);
+        $this->assertEquals(2, $result['questions'][1]['number']);
+        $this->assertFalse($result['questions'][0]['flagged']);
+        $this->assertFalse($result['questions'][1]['flagged']);
+        $this->assertEmpty($result['questions'][0]['mark']);
+        $this->assertEmpty($result['questions'][1]['mark']);
+
+        // Submit a response for the first question.
+        $tosubmit = array(1 => array('answer' => '3.14'));
+        $attemptobj->process_submitted_actions(time(), false, $tosubmit);
+        $result = mod_quiz_external::get_attempt_summary($attempt->id);
+        $result = external_api::clean_returnvalue(mod_quiz_external::get_attempt_summary_returns(), $result);
+
+        // Check it's marked as completed only the first one.
+        $this->assertEquals('complete', $result['questions'][0]['state']);
+        $this->assertEquals('todo', $result['questions'][1]['state']);
+        $this->assertEquals(1, $result['questions'][0]['number']);
+        $this->assertEquals(2, $result['questions'][1]['number']);
+        $this->assertFalse($result['questions'][0]['flagged']);
+        $this->assertFalse($result['questions'][1]['flagged']);
+        $this->assertEmpty($result['questions'][0]['mark']);
+        $this->assertEmpty($result['questions'][1]['mark']);
+
+    }
+
 }
diff --git a/mod/quiz/version.php b/mod/quiz/version.php
index 6c6f841352f..c2b32ffdb0f 100644
--- a/mod/quiz/version.php
+++ b/mod/quiz/version.php
@@ -24,7 +24,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2015111608;
+$plugin->version   = 2015111609;
 $plugin->requires  = 2015111000;
 $plugin->component = 'mod_quiz';
 $plugin->cron      = 60;