diff --git a/CHANGELOG.md b/CHANGELOG.md
index cfcfa237..ef10200d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## Next Release
+
+- Add `allChildren` and `getNextPageOfChildren` methods to `user` service
+
 ## v7.0.0 (2023-12-01)
 
 Upgrading major versions of this project? Refer to the [Upgrade Guide](UPGRADE_GUIDE.md).
diff --git a/lib/EasyPost/Service/UserService.php b/lib/EasyPost/Service/UserService.php
index d9a39e1f..c19bba6a 100644
--- a/lib/EasyPost/Service/UserService.php
+++ b/lib/EasyPost/Service/UserService.php
@@ -2,6 +2,7 @@
 
 namespace EasyPost\Service;
 
+use EasyPost\Exception\General\EndOfPaginationException;
 use EasyPost\Http\Requestor;
 use EasyPost\Util\InternalUtil;
 
@@ -139,4 +140,60 @@ public function updateBrand(string $id, mixed $params = null): mixed
 
         return InternalUtil::convertToEasyPostObject($this->client, $response);
     }
+
+    /**
+     * Retrieve all child users.
+     *
+     * @param mixed $params
+     * @return mixed
+     */
+    public function allChildren(mixed $params = null): mixed
+    {
+        self::validate($params);
+
+        $url = '/users/children';
+        $response = Requestor::request($this->client, 'get', $url, $params);
+        if (isset($params)) {
+            $response['_params'] = $params;
+        }
+
+        return InternalUtil::convertToEasyPostObject($this->client, $response);
+    }
+
+    /**
+     * Retrieve the next page of child User collection
+     *
+     * @param mixed $children
+     * @param int|null $pageSize
+     * @return mixed
+     */
+    public function getNextPageOfChildren(mixed $children, ?int $pageSize = null): mixed
+    {
+        $userArray = $children['children'];
+        $userParams = $children['_params'] ?? null;
+
+        // Check to see if there is another page server-side before attempting to retrieve it
+        if (empty($userArray) || !$children['has_more']) {
+            throw new EndOfPaginationException();
+        }
+
+        $params = [
+            'page_size' => $pageSize,
+            'before_id' => $userArray[count($userArray) - 1]['id']
+        ];
+
+        if (isset($userParams)) {
+            $params = array_merge($params, $userParams);
+        }
+
+        // Retrieve a page of users from the server
+        $children = $this->allChildren($params);
+
+        // If the page we just retrieved is empty, then we have reached the end of the list
+        if (empty($children['children'])) {
+            throw new EndOfPaginationException();
+        }
+
+        return $children;
+    }
 }
diff --git a/test/EasyPost/UserTest.php b/test/EasyPost/UserTest.php
index a117c6f8..2f063bd8 100644
--- a/test/EasyPost/UserTest.php
+++ b/test/EasyPost/UserTest.php
@@ -3,7 +3,9 @@
 namespace EasyPost\Test;
 
 use EasyPost\EasyPostClient;
+use EasyPost\Exception\General\EndOfPaginationException;
 use EasyPost\User;
+use Exception;
 
 class UserTest extends \PHPUnit\Framework\TestCase
 {
@@ -73,6 +75,52 @@ public function testRetrieveMe(): void
         $this->assertStringMatchesFormat('user_%s', $user->id);
     }
 
+    /**
+     * Test retrieving all child users.
+     */
+    public function testAllChildren(): void
+    {
+        TestUtil::setupCassette('users/allChildren.yml');
+
+        $children = self::$client->user->allChildren([
+            'page_size' => Fixture::pageSize(),
+        ]);
+
+        $userArray = $children['children'];
+
+        $this->assertLessThanOrEqual($userArray, Fixture::pageSize());
+        $this->assertNotNull($children['has_more']);
+        $this->assertContainsOnlyInstancesOf(User::class, $userArray);
+    }
+
+    /**
+     * Test retrieving next page.
+     * @noinspection RedundantSuppression
+     * @throws Exception
+     */
+    public function testGetNextPageOfChildren(): void
+    {
+        TestUtil::setupCassette('users/getNextPageOfChildren.yml');
+
+        try {
+            $children = self::$client->user->allChildren([
+                'page_size' => Fixture::pageSize(),
+            ]);
+            $nextPage = self::$client->user->getNextPageOfChildren($children, Fixture::pageSize());
+
+            $firstIdOfFirstPage = $children['children'][0]->id;
+            $secondIdOfSecondPage = $nextPage['children'][0]->id;
+
+            $this->assertNotEquals($firstIdOfFirstPage, $secondIdOfSecondPage);
+        } catch (EndOfPaginationException $error) {
+            // There's no second page, that's not a failure
+            $this->assertTrue(true);
+        } catch (Exception $error) {
+            /** @noinspection PhpExceptionImmediatelyRethrownInspection */
+            throw $error;
+        }
+    }
+
     /**
      * Test updating the authenticated user.
      */
diff --git a/test/cassettes/users/allChildren.yml b/test/cassettes/users/allChildren.yml
new file mode 100644
index 00000000..8eb9bc16
--- /dev/null
+++ b/test/cassettes/users/allChildren.yml
@@ -0,0 +1,78 @@
+
+-
+    request:
+        method: GET
+        url: 'https://api.easypost.com/v2/users/children?page_size=5'
+        headers:
+            Host: api.easypost.com
+            Accept-Encoding: ''
+            Accept: application/json
+            Authorization: ''
+            Content-Type: application/json
+            User-Agent: ''
+    response:
+        status:
+            code: 200
+            message: OK
+        headers:
+            x-frame-options: SAMEORIGIN
+            x-xss-protection: '1; mode=block'
+            x-content-type-options: nosniff
+            x-download-options: noopen
+            x-permitted-cross-domain-policies: none
+            referrer-policy: strict-origin-when-cross-origin
+            x-ep-request-uuid: 3c78c40b6597056af44028d1000d5fda
+            cache-control: 'private, no-cache, no-store'
+            pragma: no-cache
+            expires: '0'
+            content-type: 'application/json; charset=utf-8'
+            content-length: '887'
+            x-runtime: '0.038435'
+            x-node: bigweb36nuq
+            x-version-label: easypost-202401041812-437974c716-master
+            x-backend: easypost
+            x-proxied: ['intlb2nuq 2c48984abf', 'extlb2nuq 003ad9bca0']
+            strict-transport-security: 'max-age=31536000; includeSubDomains; preload'
+        body: '{"children":[{"id":"user_3c44214dcf744d169c3f2db034fd965e","object":"User","parent_id":"user_465eab8bb86844108100be2d4d5288ab","name":"Test User","phone_number":"<REDACTED>","verified":true,"created_at":"2022-11-23T21:03:03Z"},{"id":"user_78019b89199646358298fd311435458f","object":"User","parent_id":"user_465eab8bb86844108100be2d4d5288ab","name":"Test User","phone_number":"<REDACTED>","verified":true,"created_at":"2022-12-02T22:41:09Z"},{"id":"user_1a2e9fb7903c4a08b2da7d7f57150370","object":"User","parent_id":"user_465eab8bb86844108100be2d4d5288ab","name":"Test User","phone_number":"<REDACTED>","verified":true,"created_at":"2022-12-02T22:43:07Z"},{"id":"user_f01890d357374ac3837ff556a957b9b4","object":"User","parent_id":"user_465eab8bb86844108100be2d4d5288ab","name":"Test User","phone_number":"<REDACTED>","verified":true,"created_at":"2022-12-05T17:00:14Z"}],"has_more":false}'
+        curl_info:
+            url: 'https://api.easypost.com/v2/users/children?page_size=5'
+            content_type: 'application/json; charset=utf-8'
+            http_code: 200
+            header_size: 688
+            request_size: 303
+            filetime: -1
+            ssl_verify_result: 0
+            redirect_count: 0
+            total_time: 0.289887
+            namelookup_time: 0.109241
+            connect_time: 0.15427
+            pretransfer_time: 0.21253
+            size_upload: 0.0
+            size_download: 887.0
+            speed_download: 3059.0
+            speed_upload: 0.0
+            download_content_length: 887.0
+            upload_content_length: 0.0
+            starttransfer_time: 0.28986
+            redirect_time: 0.0
+            redirect_url: ''
+            primary_ip: 169.62.110.130
+            certinfo: {  }
+            primary_port: 443
+            local_ip: 172.168.100.149
+            local_port: 57058
+            http_version: 2
+            protocol: 2
+            ssl_verifyresult: 0
+            scheme: HTTPS
+            appconnect_time_us: 212452
+            connect_time_us: 154270
+            namelookup_time_us: 109241
+            pretransfer_time_us: 212530
+            redirect_time_us: 0
+            starttransfer_time_us: 289860
+            total_time_us: 289887
+            effective_method: GET
+            capath: ''
+            cainfo: ''
+    index: 0
diff --git a/test/cassettes/users/getNextPageOfChildren.yml b/test/cassettes/users/getNextPageOfChildren.yml
new file mode 100644
index 00000000..2e78efa3
--- /dev/null
+++ b/test/cassettes/users/getNextPageOfChildren.yml
@@ -0,0 +1,78 @@
+
+-
+    request:
+        method: GET
+        url: 'https://api.easypost.com/v2/users/children?page_size=5'
+        headers:
+            Host: api.easypost.com
+            Accept-Encoding: ''
+            Accept: application/json
+            Authorization: ''
+            Content-Type: application/json
+            User-Agent: ''
+    response:
+        status:
+            code: 200
+            message: OK
+        headers:
+            x-frame-options: SAMEORIGIN
+            x-xss-protection: '1; mode=block'
+            x-content-type-options: nosniff
+            x-download-options: noopen
+            x-permitted-cross-domain-policies: none
+            referrer-policy: strict-origin-when-cross-origin
+            x-ep-request-uuid: 3c78c40b6597056bf0221b62000d5ffb
+            cache-control: 'private, no-cache, no-store'
+            pragma: no-cache
+            expires: '0'
+            content-type: 'application/json; charset=utf-8'
+            content-length: '887'
+            x-runtime: '0.035511'
+            x-node: bigweb36nuq
+            x-version-label: easypost-202401041812-437974c716-master
+            x-backend: easypost
+            x-proxied: ['intlb1nuq 2c48984abf', 'extlb2nuq 003ad9bca0']
+            strict-transport-security: 'max-age=31536000; includeSubDomains; preload'
+        body: '{"children":[{"id":"user_3c44214dcf744d169c3f2db034fd965e","object":"User","parent_id":"user_465eab8bb86844108100be2d4d5288ab","name":"Test User","phone_number":"<REDACTED>","verified":true,"created_at":"2022-11-23T21:03:03Z"},{"id":"user_78019b89199646358298fd311435458f","object":"User","parent_id":"user_465eab8bb86844108100be2d4d5288ab","name":"Test User","phone_number":"<REDACTED>","verified":true,"created_at":"2022-12-02T22:41:09Z"},{"id":"user_1a2e9fb7903c4a08b2da7d7f57150370","object":"User","parent_id":"user_465eab8bb86844108100be2d4d5288ab","name":"Test User","phone_number":"<REDACTED>","verified":true,"created_at":"2022-12-02T22:43:07Z"},{"id":"user_f01890d357374ac3837ff556a957b9b4","object":"User","parent_id":"user_465eab8bb86844108100be2d4d5288ab","name":"Test User","phone_number":"<REDACTED>","verified":true,"created_at":"2022-12-05T17:00:14Z"}],"has_more":false}'
+        curl_info:
+            url: 'https://api.easypost.com/v2/users/children?page_size=5'
+            content_type: 'application/json; charset=utf-8'
+            http_code: 200
+            header_size: 688
+            request_size: 303
+            filetime: -1
+            ssl_verify_result: 0
+            redirect_count: 0
+            total_time: 0.15691
+            namelookup_time: 0.001169
+            connect_time: 0.042299
+            pretransfer_time: 0.081692
+            size_upload: 0.0
+            size_download: 887.0
+            speed_download: 5652.0
+            speed_upload: 0.0
+            download_content_length: 887.0
+            upload_content_length: 0.0
+            starttransfer_time: 0.156866
+            redirect_time: 0.0
+            redirect_url: ''
+            primary_ip: 169.62.110.130
+            certinfo: {  }
+            primary_port: 443
+            local_ip: 172.168.100.149
+            local_port: 57059
+            http_version: 2
+            protocol: 2
+            ssl_verifyresult: 0
+            scheme: HTTPS
+            appconnect_time_us: 81617
+            connect_time_us: 42299
+            namelookup_time_us: 1169
+            pretransfer_time_us: 81692
+            redirect_time_us: 0
+            starttransfer_time_us: 156866
+            total_time_us: 156910
+            effective_method: GET
+            capath: ''
+            cainfo: ''
+    index: 0