diff --git a/app/api/schemas/select_offer.py b/app/api/schemas/select_offer.py
index f3544aa..defb702 100644
--- a/app/api/schemas/select_offer.py
+++ b/app/api/schemas/select_offer.py
@@ -9,5 +9,6 @@ class SelectOfferSchema(Schema):
     msisdn = fields.Str(required=True)
     requestedAmount = fields.Float(required=True)
     productId = fields.Str(required=True)
+    offerId = fields.Str(required=True)
     channel = fields.Str(required=True)
 
diff --git a/app/swagger/schemas/SelectOfferRequest.json b/app/swagger/schemas/SelectOfferRequest.json
index a874ed3..e51bb99 100644
--- a/app/swagger/schemas/SelectOfferRequest.json
+++ b/app/swagger/schemas/SelectOfferRequest.json
@@ -27,6 +27,10 @@
             "example": "ACN8263457"
         },
         "productId": {
+            "type": "string",
+            "example": "2090"
+        },
+        "offerId": {
             "type": "string",
             "example": "101"
         },