diff --git a/app/src/main/resources/swagger/api-docs.json b/app/src/main/resources/swagger/api-docs.json
index a03423ff..8a6d1b35 100644
--- a/app/src/main/resources/swagger/api-docs.json
+++ b/app/src/main/resources/swagger/api-docs.json
@@ -3071,7 +3071,7 @@
       },
       "InstitutionInfo" : {
         "title" : "InstitutionInfo",
-        "required" : [ "address", "fiscalCode", "id", "institutionType", "mailAddress", "name", "recipientCode", "vatNumber", "zipCode" ],
+        "required" : [ "address", "fiscalCode", "institutionType", "mailAddress", "name", "vatNumber", "zipCode" ],
         "type" : "object",
         "properties" : {
           "additionalInformations" : {
diff --git a/web/src/main/java/it/pagopa/selfcare/onboarding/web/model/OnboardingRequestResource.java b/web/src/main/java/it/pagopa/selfcare/onboarding/web/model/OnboardingRequestResource.java
index bfc36e50..4035f790 100644
--- a/web/src/main/java/it/pagopa/selfcare/onboarding/web/model/OnboardingRequestResource.java
+++ b/web/src/main/java/it/pagopa/selfcare/onboarding/web/model/OnboardingRequestResource.java
@@ -36,8 +36,7 @@ public class OnboardingRequestResource {
     @EqualsAndHashCode(of = "id")
     public static class InstitutionInfo {
 
-        @ApiModelProperty(value = "${swagger.onboarding.institutions.model.id}", required = true)
-        @JsonProperty(required = true)
+        @ApiModelProperty(value = "${swagger.onboarding.institutions.model.id}")
         private String id;
 
         @ApiModelProperty(value = "${swagger.onboarding.institutions.model.name}", required = true)
@@ -77,8 +76,7 @@ public static class InstitutionInfo {
         @JsonProperty(required = true)
         private String vatNumber;
 
-        @ApiModelProperty(value = "${swagger.onboarding.institutions.model.recipientCode}", required = true)
-        @JsonProperty(required = true)
+        @ApiModelProperty(value = "${swagger.onboarding.institutions.model.recipientCode}")
         private String recipientCode;
 
         @ApiModelProperty(value = "${swagger.onboarding.institutions.model.pspData}")