diff --git a/classes/ilios.php b/classes/ilios.php
index 0129024..38fb768 100644
--- a/classes/ilios.php
+++ b/classes/ilios.php
@@ -45,6 +45,11 @@ class ilios {
      */
     const API_BASE_PATH = '/api/v3/';
 
+    /**
+     * @var int The maximum number of filtering request parameters in a given API request.
+     */
+    const MAX_FILTER_PARAMS = 250;
+
     /**
      * @var string The API access token.
      */
@@ -79,8 +84,7 @@ public function __construct(
      * @throws moodle_exception
      */
     public function get_schools(array $filterby = [], array $sortby = []): array {
-        $response = $this->get('schools', $filterby, $sortby);
-        return $response->schools;
+        return $this->get('schools', 'schools', $filterby, $sortby);
     }
 
     /**
@@ -93,8 +97,7 @@ public function get_schools(array $filterby = [], array $sortby = []): array {
      * @throws moodle_exception
      */
     public function get_cohorts(array $filterby = [], array $sortby = []): array {
-        $response = $this->get('cohorts', $filterby, $sortby);
-        return $response->cohorts;
+        return $this->get('cohorts', 'cohorts', $filterby, $sortby);
     }
 
     /**
@@ -107,8 +110,7 @@ public function get_cohorts(array $filterby = [], array $sortby = []): array {
      * @throws moodle_exception
      */
     public function get_programs(array $filterby = [], array $sortby = []): array {
-        $response = $this->get('programs', $filterby, $sortby);
-        return $response->programs;
+        return $this->get('programs', 'programs', $filterby, $sortby);
     }
 
     /**
@@ -121,8 +123,7 @@ public function get_programs(array $filterby = [], array $sortby = []): array {
      * @throws moodle_exception
      */
     public function get_program_years(array $filterby = [], array $sortby = []): array {
-        $response = $this->get('programyears', $filterby, $sortby);
-        return $response->programYears;
+        return $this->get('programyears', 'programYears', $filterby, $sortby);
     }
 
     /**
@@ -135,8 +136,7 @@ public function get_program_years(array $filterby = [], array $sortby = []): arr
      * @throws moodle_exception
      */
     public function get_learner_groups(array $filterby = [], array $sortby = []): array {
-        $response = $this->get('learnergroups', $filterby, $sortby);
-        return $response->learnerGroups;
+        return $this->get('learnergroups', 'learnerGroups', $filterby, $sortby);
     }
 
     /**
@@ -149,8 +149,7 @@ public function get_learner_groups(array $filterby = [], array $sortby = []): ar
      * @throws moodle_exception
      */
     public function get_instructor_groups(array $filterby = [], array $sortby = []): array {
-        $response = $this->get('instructorgroups', $filterby, $sortby);
-        return $response->instructorGroups;
+        return $this->get('instructorgroups', 'instructorGroups', $filterby, $sortby);
     }
 
     /**
@@ -163,8 +162,7 @@ public function get_instructor_groups(array $filterby = [], array $sortby = []):
      * @throws moodle_exception
      */
     public function get_offerings(array $filterby = [], array $sortby = []): array {
-        $response = $this->get('offerings', $filterby, $sortby);
-        return $response->offerings;
+        return $this->get('offerings', 'offerings', $filterby, $sortby);
     }
 
     /**
@@ -177,8 +175,7 @@ public function get_offerings(array $filterby = [], array $sortby = []): array {
      * @throws moodle_exception
      */
     public function get_ilms(array $filterby = [], array $sortby = []): array {
-        $response = $this->get('ilmsessions', $filterby, $sortby);
-        return $response->ilmSessions;
+        return $this->get('ilmsessions', 'ilmSessions', $filterby, $sortby);
     }
 
     /**
@@ -191,8 +188,7 @@ public function get_ilms(array $filterby = [], array $sortby = []): array {
      * @throws moodle_exception
      */
     public function get_users(array $filterby = [], array $sortby = []): array {
-        $response = $this->get('users', $filterby, $sortby);
-        return $response->users;
+        return $this->get('users', 'users', $filterby, $sortby);
     }
 
     /**
@@ -204,11 +200,7 @@ public function get_users(array $filterby = [], array $sortby = []): array {
      * @throws moodle_exception
      */
     public function get_school(int $id): ?object {
-        $response = $this->get_by_id('schools', $id);
-        if ($response) {
-            return $response->schools[0];
-        }
-        return null;
+        return $this->get_by_id('schools', 'schools', $id);
     }
 
     /**
@@ -220,11 +212,7 @@ public function get_school(int $id): ?object {
      * @throws moodle_exception
      */
     public function get_cohort(int $id): ?object {
-        $response = $this->get_by_id('cohorts', $id);
-        if ($response) {
-            return $response->cohorts[0];
-        }
-        return null;
+        return $this->get_by_id('cohorts', 'cohorts', $id);
     }
 
     /**
@@ -236,11 +224,7 @@ public function get_cohort(int $id): ?object {
      * @throws moodle_exception
      */
     public function get_program(int $id): ?object {
-        $response = $this->get_by_id('programs', $id);
-        if ($response) {
-            return $response->programs[0];
-        }
-        return null;
+        return $this->get_by_id('programs', 'programs', $id);
     }
 
     /**
@@ -252,11 +236,7 @@ public function get_program(int $id): ?object {
      * @throws moodle_exception
      */
     public function get_learner_group(int $id): ?object {
-        $response = $this->get_by_id('learnergroups', $id);
-        if ($response) {
-            return $response->learnerGroups[0];
-        }
-        return null;
+        return $this->get_by_id('learnergroups', 'learnerGroups', $id);
     }
 
     /**
@@ -342,54 +322,50 @@ public function get_instructor_ids_from_learner_group(int $groupid): array {
         return array_values($instructorids);
     }
 
-
     /**
      * Sends a GET request to a given API endpoint with given options.
      *
-     * @param string $path The target path fragment of the API request URL. May include query parameters.
+     * @param string $path The target path fragment of the API request URL.
+     * @param string $key The name of the property that holds the requested data points in the payload.
      * @param array $filterby An associative array of filter options.
      * @param array $sortby An associative array of sort options.
-     * @return object The decoded response body.
+     * @return array The data points from the decoded payload.
      * @throws GuzzleException
      * @throws moodle_exception
      */
     public function get(
         string $path,
+        string $key,
         array $filterby = [],
         array $sortby = [],
-    ): object {
+    ): array {
         $this->validate_access_token($this->accesstoken);
         $options = ['headers' => ['X-JWT-Authorization' => 'Token ' . $this->accesstoken]];
 
+        $url = $this->apibaseurl . $path;
+
         // Construct query params from given filters and sort orders.
         // Unfortunately, <code>http_build_query()</code> doesn't cut it here, so we have to hand-roll this.
-        $queryparams = [];
+        $filterparams = [];
         if (!empty($filterby)) {
             foreach ($filterby as $param => $value) {
                 if (is_array($value)) {
                     foreach ($value as $val) {
-                        $queryparams[] = "filters[$param][]=$val";
+                        $filterparams[] = "filters[$param][]=$val";
                     }
                 } else {
-                    $queryparams[] = "filters[$param]=$value";
+                    $filterparams[] = "filters[$param]=$value";
                 }
             }
         }
-
+        $sortparams = [];
         if (!empty($sortby)) {
             foreach ($sortby as $param => $value) {
-                $queryparams[] = "order_by[$param]=$value";
+                $sortparams[] = "order_by[$param]=$value";
             }
         }
 
-        $url = $this->apibaseurl . $path;
-
-        if (!empty($queryparams)) {
-            $url .= '?' . implode('&', $queryparams);
-        }
-
-        $response = $this->httpclient->get($url, $options);
-        return $this->parse_result($response->getBody());
+        return $this->send_get_request($url, $key, $options, $filterparams, $sortparams);
     }
 
     /**
@@ -415,6 +391,7 @@ public static function get_access_token_payload(string $accesstoken): array {
      * Retrieves a given resource from Ilios by its given ID.
      *
      * @param string $path The URL path fragment that names the resource.
+     * @param string $key The name of the property that holds the requested data points in the payload.
      * @param int $id The ID.
      * @param bool $returnnullonnotfound If TRUE then NULL is returned if the resource cannot be found.
      *                                      On FALSE, an exception is raised on 404/Not-Found.
@@ -423,9 +400,10 @@ public static function get_access_token_payload(string $accesstoken): array {
      * @throws GuzzleException
      * @throws moodle_exception
      */
-    public function get_by_id(string $path, int $id, bool $returnnullonnotfound = true): ?object {
+    public function get_by_id(string $path, string $key, int $id, bool $returnnullonnotfound = true): ?object {
         try {
-            return $this->get($path . '/' . $id);
+            $response = $this->get($path . '/' . $id, $key);
+            return $response[0];
         } catch (ClientException $e) {
             if ($returnnullonnotfound && (404 === $e->getResponse()->getStatusCode())) {
                 return null;
@@ -435,6 +413,57 @@ public function get_by_id(string $path, int $id, bool $returnnullonnotfound = tr
         }
     }
 
+    /**
+     * Internal helper method for sending a GET request to the Ilios API.
+     *
+     * @param string $url The API request URL. May include query parameters.
+     * @param string $key The name of the property that holds the requested data points in the payload.
+     * @param array $options API Client options, such as header values.
+     * @param array $filterparams An associative array of filtering request parameters.
+     * @param array $sortparams An associative array of sorting request parameters.
+     * @return array The data points from the decoded payload.
+     * @throws GuzzleException
+     * @throws moodle_exception
+     */
+    protected function send_get_request(
+        string $url,
+        string $key,
+        array $options = [],
+        array $filterparams = [],
+        array $sortparams = []
+    ): array {
+        // Batch processing comes first.
+        // If the number of request parameters exceeds the given limit,
+        // we must chunk them up into smaller lists and run then individually, followed by results aggregation.
+        // This is done by recursively calling this method with chunked filtering options.
+        if (count($filterparams) > self::MAX_FILTER_PARAMS) {
+            $batches = array_chunk($filterparams, self::MAX_FILTER_PARAMS);
+            $results = [];
+            foreach ($batches as $batch) {
+                $result = $this->send_get_request($url, $key, $options, $batch, $sortparams);
+                $results = array_merge($results, $result);
+            }
+            return $results;
+        }
+
+        $queryparams = array_merge($filterparams, $sortparams);
+
+        if (!empty($queryparams)) {
+            $url .= '?' . implode('&', $queryparams);
+        }
+
+        $response = $this->httpclient->get($url, $options);
+        $rhett = $this->parse_result($response->getBody());
+        if (!property_exists($rhett, $key)) {
+            throw new moodle_exception(
+                'errorresponseentitynotfound',
+                'enrol_ilios',
+                a: $key,
+            );
+        }
+        return $rhett->$key;
+    }
+
     /**
      * Decodes and returns the given JSON-encoded input.
      *
diff --git a/tests/ilios_test.php b/tests/ilios_test.php
index b5640f4..f27284f 100644
--- a/tests/ilios_test.php
+++ b/tests/ilios_test.php
@@ -1028,17 +1028,17 @@ public function test_get(): void {
         di::set(http_client::class, new http_client(['handler' => $handlerstack]));
 
         $ilios = di::get(ilios::class);
-        $data = $ilios->get('schools');
+        $data = $ilios->get('schools', 'schools');
 
         $this->assertEquals('GET', $container[0]['request']->getMethod());
         $this->assertEquals('ilios.demo', $container[0]['request']->getUri()->getHost());
         $this->assertEquals('/api/v3/schools', $container[0]['request']->getUri()->getPath());
 
-        $this->assertCount(2, $data->schools);
-        $this->assertEquals(1, $data->schools[0]->id);
-        $this->assertEquals('Medicine', $data->schools[0]->title);
-        $this->assertEquals(2, $data->schools[1]->id);
-        $this->assertEquals('Pharmacy', $data->schools[1]->title);
+        $this->assertCount(2, $data);
+        $this->assertEquals(1, $data[0]->id);
+        $this->assertEquals('Medicine', $data[0]->title);
+        $this->assertEquals(2, $data[1]->id);
+        $this->assertEquals('Pharmacy', $data[1]->title);
     }
 
     /**
@@ -1070,7 +1070,7 @@ public function test_get_with_filtering_and_sorting_criteria(
         di::set(http_client::class, new http_client(['handler' => $handlerstack]));
 
         $ilios = di::get(ilios::class);
-        $ilios->get('geflarkniks', $filterby, $sortby);
+        $ilios->get('geflarkniks', 'geflarkniks', $filterby, $sortby);
 
         $this->assertEquals($expectedquerystring, urldecode($container[0]['request']->getUri()->getQuery()));
     }
@@ -1094,6 +1094,79 @@ public static function get_with_filtering_and_sorting_provider(): array {
         ];
     }
 
+    /**
+     * Tests get() in batch mode.
+     *
+     * @return void
+     * @throws GuzzleException
+     * @throws moodle_exception
+     */
+    public function test_get_in_batch_mode(): void {
+        $this->resetAfterTest();
+        $accesstoken = helper::create_valid_ilios_api_access_token();
+        set_config('apikey', $accesstoken, 'enrol_ilios');
+        set_config('host_url', 'http://ilios.demo', 'enrol_ilios');
+        $handlerstack = HandlerStack::create(new MockHandler([
+            new Response(200, [], json_encode([
+                'schools' => [
+                    ['id' => 1, 'title' => 'Medicine'],
+                    ['id' => 2, 'title' => 'Pharmacy'],
+                ],
+            ])),
+            new Response(200, [], json_encode([
+                'schools' => [
+                    ['id' => 3, 'title' => 'Dentistry'],
+                    ['id' => 4, 'title' => 'Nursing'],
+                ],
+            ])),
+            new Response(200, [], json_encode([
+                'schools' => [
+                    ['id' => 5, 'title' => 'Other'],
+                ],
+            ])),
+        ]));
+        $container = [];
+        $history = Middleware::history($container);
+        $handlerstack->push($history);
+        di::set(http_client::class, new http_client(['handler' => $handlerstack]));
+
+        $ilios = di::get(ilios::class);
+        $filterby = ['id' => range(1000, 1564)];
+        $sortby = ['name' => 'DESC'];
+        $data = $ilios->get('schools', 'schools', $filterby, $sortby);
+
+        $this->assertCount(3, $container);
+        $this->assertEquals('GET', $container[0]['request']->getMethod());
+        $this->assertEquals('ilios.demo', $container[0]['request']->getUri()->getHost());
+        $this->assertEquals('/api/v3/schools', $container[0]['request']->getUri()->getPath());
+        $paramsbatch1 = explode('&', urldecode($container[0]['request']->getUri()->getQuery()));
+        $this->assertCount(251, $paramsbatch1); // That's 250 filtering params and 1 sorting param.
+        $this->assertEquals('filters[id][]=1000', $paramsbatch1[0]);
+        $this->assertEquals('filters[id][]=1249', $paramsbatch1[249]);
+        $this->assertEquals('order_by[name]=DESC', $paramsbatch1[250]);
+        $paramsbatch2 = explode('&', urldecode($container[1]['request']->getUri()->getQuery()));
+        $this->assertCount(251, $paramsbatch2);
+        $this->assertEquals('filters[id][]=1250', $paramsbatch2[0]);
+        $this->assertEquals('filters[id][]=1499', $paramsbatch2[249]);
+        $this->assertEquals('order_by[name]=DESC', $paramsbatch2[250]);
+        $paramsbatch3 = explode('&', urldecode($container[2]['request']->getUri()->getQuery()));
+        $this->assertCount(66, $paramsbatch3);
+        $this->assertEquals('filters[id][]=1500', $paramsbatch3[0]);
+        $this->assertEquals('filters[id][]=1564', $paramsbatch3[64]);
+        $this->assertEquals('order_by[name]=DESC', $paramsbatch3[65]);
+
+        $this->assertCount(5, $data);
+        $this->assertEquals(1, $data[0]->id);
+        $this->assertEquals('Medicine', $data[0]->title);
+        $this->assertEquals(2, $data[1]->id);
+        $this->assertEquals('Pharmacy', $data[1]->title);
+        $this->assertEquals(3, $data[2]->id);
+        $this->assertEquals('Dentistry', $data[2]->title);
+        $this->assertEquals(4, $data[3]->id);
+        $this->assertEquals('Nursing', $data[3]->title);
+        $this->assertEquals(5, $data[4]->id);
+        $this->assertEquals('Other', $data[4]->title);
+    }
 
     /**
      * Tests retrieving a resource by its ID from the Ilios API.
@@ -1115,14 +1188,11 @@ public function test_get_by_id(): void {
         di::set(http_client::class, new http_client(['handler' => $handlerstack]));
 
         $ilios = di::get(ilios::class);
-        $response = $ilios->get_by_id('geflarkniks', 12345);
+        $response = $ilios->get_by_id('geflarkniks', 'geflarkniks', 12345);
 
         $this->assertEquals('/api/v3/geflarkniks/12345', $container[0]['request']->getUri()->getPath());
-
-        $this->assertObjectHasProperty('geflarkniks', $response);
-        $this->assertCount(1, $response->geflarkniks);
-        $this->assertEquals('1', $response->geflarkniks[0]->id);
-        $this->assertEquals('whatever', $response->geflarkniks[0]->title);
+        $this->assertEquals('1', $response->id);
+        $this->assertEquals('whatever', $response->title);
     }
 
     /**
@@ -1142,7 +1212,7 @@ public function test_get_by_id_fails_on_404(): void {
         $this->expectException(ClientException::class);
         $this->expectExceptionMessage('404 Not Found');
         $this->expectExceptionCode(404);
-        $ilios->get_by_id('does-not-matter-here', 12345, false);
+        $ilios->get_by_id('does-not-matter-here', 'does-not-matter-here', 12345, false);
     }
 
     /**
@@ -1158,7 +1228,7 @@ public function test_get_by_id_returns_null_on_404(): void {
         ]));
         di::set(http_client::class, new http_client(['handler' => $handlerstack]));
         $ilios = di::get(ilios::class);
-        $response = $ilios->get_by_id('does-not-matter-here', 12345);
+        $response = $ilios->get_by_id('does-not-matter-here', 'does-not-matter-here', 12345);
         $this->assertNull($response);
     }
 
@@ -1180,7 +1250,7 @@ public function test_get_fails_on_garbled_response(): void {
         $ilios = di::get(ilios::class);
         $this->expectException(moodle_exception::class);
         $this->expectExceptionMessage('Failed to decode response.');
-        $ilios->get('schools');
+        $ilios->get('schools', 'schools');
     }
 
     /**
@@ -1201,7 +1271,7 @@ public function test_get_fails_on_empty_response(): void {
         $ilios = di::get(ilios::class);
         $this->expectException(moodle_exception::class);
         $this->expectExceptionMessage('Empty response.');
-        $ilios->get('schools');
+        $ilios->get('schools', 'schools');
     }
 
     /**
@@ -1221,7 +1291,7 @@ public function test_get_fails_on_error_response(): void {
         $ilios = di::get(ilios::class);
         $this->expectException(moodle_exception::class);
         $this->expectExceptionMessage('The API responded with the following error: something went wrong.');
-        $ilios->get('schools');
+        $ilios->get('schools', 'schools');
     }
 
     /**
@@ -1246,7 +1316,30 @@ public function test_get_fails_on_server_side_error(): void {
             'Server error: `GET http://ilios.demo/api/v3/schools` resulted in a `500 Internal Server Error` response'
         );
         // phpcs:enable
-        $ilios->get('schools');
+        $ilios->get('schools', 'schools');
+    }
+
+    /**
+     * Tests that get() fails if the given property key does not match the payload.
+     *
+     * @return void
+     * @throws moodle_exception
+     */
+    public function test_get_fails_on_invalid_key(): void {
+        $this->resetAfterTest();
+        set_config('host_url', 'http://ilios.demo', 'enrol_ilios');
+        $accesstoken = helper::create_valid_ilios_api_access_token();
+        set_config('apikey', $accesstoken, 'enrol_ilios');
+        $handlerstack = HandlerStack::create(new MockHandler([
+            new Response(200, [], json_encode(['geflarkniks' => [
+                ['id' => 1, 'title' => 'whatever'],
+            ]])),
+        ]));
+        di::set(http_client::class, new http_client(['handler' => $handlerstack]));
+        $ilios = di::get(ilios::class);
+        $this->expectException(moodle_exception::class);
+        $this->expectExceptionMessage('Cannot find schools in response.');
+        $ilios->get('schools', 'schools');
     }
 
     /**
@@ -1262,7 +1355,7 @@ public function test_get_fails_with_expired_token(): void {
         $ilios = di::get(ilios::class);
         $this->expectException(moodle_exception::class);
         $this->expectExceptionMessage('API token is expired.');
-        $ilios->get('schools');
+        $ilios->get('schools', 'schools');
     }
 
     /**
@@ -1279,7 +1372,7 @@ public function test_get_fails_with_empty_token(string $accesstoken): void {
         $ilios = di::get(ilios::class);
         $this->expectException(moodle_exception::class);
         $this->expectExceptionMessage('API token is empty.');
-        $ilios->get('schools');
+        $ilios->get('schools', 'schools');
     }
 
     /**
@@ -1296,7 +1389,7 @@ public function test_get_fails_with_corrupted_token(string $accesstoken): void {
         $ilios = di::get(ilios::class);
         $this->expectException(moodle_exception::class);
         $this->expectExceptionMessage('Failed to decode API token.');
-        $ilios->get('schools');
+        $ilios->get('schools', 'schools');
     }
 
     /**
@@ -1313,7 +1406,7 @@ public function test_get_fails_with_invalid_token(string $accesstoken): void {
         $ilios = di::get(ilios::class);
         $this->expectException(moodle_exception::class);
         $this->expectExceptionMessage('API token has an incorrect number of segments.');
-        $ilios->get('schools');
+        $ilios->get('schools', 'schools');
     }
 
     /**
diff --git a/version.php b/version.php
index 324109b..ef75865 100644
--- a/version.php
+++ b/version.php
@@ -25,7 +25,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2024110100;       // The current plugin version (Date: YYYYMMDDXX).
+$plugin->version   = 2024110101;       // The current plugin version (Date: YYYYMMDDXX).
 $plugin->requires  = 2024041600;       // Requires this Moodle version.
 $plugin->component = 'enrol_ilios';     // Full name of the plugin (used for diagnostics).
 $plugin->release = 'v4.4';