diff --git a/api.yaml b/api.yaml
index 23bdbc1..a513967 100644
--- a/api.yaml
+++ b/api.yaml
@@ -46851,6 +46851,12 @@ components:
           description: Amount to stake in base units.
           type: string
           example: '1000'
+        validator:
+          description: The validator to delegate to.
+          type: string
+          example: HimWQUK61d9wxhw7EYu9jUje7xQiDs4jKexaTSvuCmXE
+      required:
+        - validator
     SolStakingRequestWithTransactions:
       title: SOL
       allOf: