diff --git a/api.yaml b/api.yaml
index 5255b2c..dde9732 100644
--- a/api.yaml
+++ b/api.yaml
@@ -43452,6 +43452,9 @@ components:
           allOf:
             - $ref: '#/components/schemas/StakingDelegationProperties'
           type: object
+        rewardCoin:
+          description: The coin in which rewards will be received.
+          type: string
     EthStakingDelegation:
       title: ETH
       allOf:
@@ -44139,6 +44142,9 @@ components:
         type:
           description: The validator provider used for staking.
           type: string
+        rewardCoin:
+          description: The coin in which rewards will be received.
+          type: string
     StakingValidatorsResponse:
       type: object
       properties: