diff --git a/CHANGELOG.md b/CHANGELOG.md
index ead737044..9f6fdd577 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,7 @@
 ## 10.5.0-beta.1 - 2023-01-19
 * [#1427](https://github.com/stripe/stripe-php/pull/1427) API Updates for beta branch
   * Updated stable APIs to the latest version
-  * Add support for `Tax.Settings` resource.
+  * Add support for `Tax.Settings` resource.
 
 ## 10.4.0 - 2023-01-19
 * [#1381](https://github.com/stripe/stripe-php/pull/1381) Add getService methods to StripeClient and AbstractServiceFactory to allow mocking
diff --git a/OPENAPI_VERSION b/OPENAPI_VERSION
index f3da18c95..73d5d6e51 100644
--- a/OPENAPI_VERSION
+++ b/OPENAPI_VERSION
@@ -1 +1 @@
-v219
\ No newline at end of file
+v221
\ No newline at end of file
diff --git a/lib/Event.php b/lib/Event.php
index 94ec60f6a..c24dedc3e 100644
--- a/lib/Event.php
+++ b/lib/Event.php
@@ -200,6 +200,7 @@ class Event extends ApiResource
     const QUOTE_ACCEPTING = 'quote.accepting';
     const QUOTE_CANCELED = 'quote.canceled';
     const QUOTE_CREATED = 'quote.created';
+    const QUOTE_DRAFT = 'quote.draft';
     const QUOTE_FINALIZED = 'quote.finalized';
     const QUOTE_REESTIMATED = 'quote.reestimated';
     const QUOTE_STALE = 'quote.stale';
diff --git a/lib/Service/Tax/TransactionService.php b/lib/Service/Tax/TransactionService.php
index 15bd26ae1..6aa7a7da8 100644
--- a/lib/Service/Tax/TransactionService.php
+++ b/lib/Service/Tax/TransactionService.php
@@ -6,6 +6,37 @@
 
 class TransactionService extends \Stripe\Service\AbstractService
 {
+    /**
+     * Retrieves the line items of a committed standalone transaction as a collection.
+     *
+     * @param string $id
+     * @param null|array $params
+     * @param null|array|\Stripe\Util\RequestOptions $opts
+     *
+     * @throws \Stripe\Exception\ApiErrorException if the request fails
+     *
+     * @return \Stripe\Collection<\Stripe\LineItem>
+     */
+    public function allLineItems($id, $params = null, $opts = null)
+    {
+        return $this->requestCollection('get', $this->buildPath('/v1/tax/transactions/%s/line_items', $id), $params, $opts);
+    }
+
+    /**
+     * Lists Tax Transaction objects.
+     *
+     * @param null|array $params
+     * @param null|array|\Stripe\Util\RequestOptions $opts
+     *
+     * @throws \Stripe\Exception\ApiErrorException if the request fails
+     *
+     * @return \Stripe\Collection<\Stripe\Tax\Transaction>
+     */
+    public function allTransactions($params = null, $opts = null)
+    {
+        return $this->requestCollection('get', '/v1/tax/transactions', $params, $opts);
+    }
+
     /**
      * Creates a Tax <code>Transaction</code> from a calculation.
      *
diff --git a/lib/Tax/Transaction.php b/lib/Tax/Transaction.php
index 1bbfc7af1..da7e77e4f 100644
--- a/lib/Tax/Transaction.php
+++ b/lib/Tax/Transaction.php
@@ -49,4 +49,41 @@ public static function createReversal($params = null, $opts = null)
 
         return $obj;
     }
+
+    /**
+     * @param string $id
+     * @param null|array $params
+     * @param null|array|string $opts
+     *
+     * @throws \Stripe\Exception\ApiErrorException if the request fails
+     *
+     * @return \Stripe\Collection<\Stripe\LineItem> list of TaxProductResourceTaxTransactionLineItems
+     */
+    public static function allLineItems($id, $params = null, $opts = null)
+    {
+        $url = static::resourceUrl($id) . '/line_items';
+        list($response, $opts) = static::_staticRequest('get', $url, $params, $opts);
+        $obj = \Stripe\Util\Util::convertToStripeObject($response->json, $opts);
+        $obj->setLastResponse($response);
+
+        return $obj;
+    }
+
+    /**
+     * @param null|array $params
+     * @param null|array|string $opts
+     *
+     * @throws \Stripe\Exception\ApiErrorException if the request fails
+     *
+     * @return \Stripe\Collection<\Stripe\Tax\Transaction> list of TaxProductResourceTaxTransactions
+     */
+    public static function allTransactions($params = null, $opts = null)
+    {
+        $url = static::classUrl();
+        list($response, $opts) = static::_staticRequest('get', $url, $params, $opts);
+        $obj = \Stripe\Util\Util::convertToStripeObject($response->json, $opts);
+        $obj->setLastResponse($response);
+
+        return $obj;
+    }
 }