diff --git a/app/code/Magento/Checkout/Api/Exception/PaymentProcessingRateLimitExceededException.php b/app/code/Magento/Checkout/Api/Exception/PaymentProcessingRateLimitExceededException.php
index 018c18112a763..1f7f35417d283 100644
--- a/app/code/Magento/Checkout/Api/Exception/PaymentProcessingRateLimitExceededException.php
+++ b/app/code/Magento/Checkout/Api/Exception/PaymentProcessingRateLimitExceededException.php
@@ -12,6 +12,8 @@
 
 /**
  * Thrown when too many payment processing/saving requests have been initiated by a user.
+ *
+ * @api
  */
 class PaymentProcessingRateLimitExceededException extends LocalizedException
 {
diff --git a/app/code/Magento/SalesRule/Api/Exception/CodeRequestLimitException.php b/app/code/Magento/SalesRule/Api/Exception/CodeRequestLimitException.php
index dfa1c9c1f6a53..8d1a02a6d8f3c 100644
--- a/app/code/Magento/SalesRule/Api/Exception/CodeRequestLimitException.php
+++ b/app/code/Magento/SalesRule/Api/Exception/CodeRequestLimitException.php
@@ -12,6 +12,8 @@
 
 /**
  * Thrown when coupon codes requests limit is reached.
+ *
+ * @api
  */
 class CodeRequestLimitException extends LocalizedException
 {