diff --git a/apify-api/openapi/components/schemas/actors/ActorNotice.yaml b/apify-api/openapi/components/schemas/actors/ActorNotice.yaml
index 5966379f0c..3ba363087d 100644
--- a/apify-api/openapi/components/schemas/actors/ActorNotice.yaml
+++ b/apify-api/openapi/components/schemas/actors/ActorNotice.yaml
@@ -6,4 +6,5 @@ enum:
   - NONE
   - RESIDENTIAL_PROXY_REQUIRED
   - UNDER_MAINTENANCE
+  - null # https://github.com/apify/apify-core/issues/29871, https://github.com/cdimascio/express-openapi-validator/issues/165
 examples: [UNDER_MAINTENANCE]
diff --git a/apify-api/openapi/components/schemas/common/ErrorType.yaml b/apify-api/openapi/components/schemas/common/ErrorType.yaml
index 1d5a155c21..bce9e66f25 100644
--- a/apify-api/openapi/components/schemas/common/ErrorType.yaml
+++ b/apify-api/openapi/components/schemas/common/ErrorType.yaml
@@ -69,6 +69,7 @@ enum:
   - cannot-override-paid-actor-trial
   - cannot-permanently-delete-subscription
   - cannot-publish-actor
+  - cannot-publish-actor-task
   - cannot-reduce-last-full-token
   - cannot-reimburse-more-than-original-charge
   - cannot-reimburse-non-rental-charge
diff --git a/apify-api/openapi/components/schemas/store/StoreListActor.yaml b/apify-api/openapi/components/schemas/store/StoreListActor.yaml
index 4164e3e5bc..c605346f64 100644
--- a/apify-api/openapi/components/schemas/store/StoreListActor.yaml
+++ b/apify-api/openapi/components/schemas/store/StoreListActor.yaml
@@ -36,7 +36,6 @@ properties:
     $ref: ../actors/ActorNotice.yaml
   pictureUrl:
     type: [string, "null"]
-    format: uri
     examples: ["https://..."]
   userPictureUrl:
     type: [string, "null"]
diff --git a/apify-api/openapi/paths/schedules/schedules@{scheduleId}.yaml b/apify-api/openapi/paths/schedules/schedules@{scheduleId}.yaml
index f5777b2a67..1b3b7924fc 100644
--- a/apify-api/openapi/paths/schedules/schedules@{scheduleId}.yaml
+++ b/apify-api/openapi/paths/schedules/schedules@{scheduleId}.yaml
@@ -83,6 +83,8 @@ put:
       $ref: ../../components/responses/NotFound.yaml
     "405":
       $ref: ../../components/responses/MethodNotAllowed.yaml
+    "409":
+      $ref: ../../components/responses/Conflict.yaml
     "413":
       $ref: ../../components/responses/PayloadTooLarge.yaml
     "415":
diff --git a/apify-api/openapi/paths/users/users@{userId}.yaml b/apify-api/openapi/paths/users/users@{userId}.yaml
index 59aed94547..1e794a1e99 100644
--- a/apify-api/openapi/paths/users/users@{userId}.yaml
+++ b/apify-api/openapi/paths/users/users@{userId}.yaml
@@ -27,6 +27,8 @@ get:
             $ref: ../../components/schemas/users/PublicUserDataResponse.yaml
     "400":
       $ref: ../../components/responses/BadRequest.yaml
+    "401":
+      $ref: ../../components/responses/Unauthorized.yaml
     "404":
       $ref: ../../components/responses/NotFound.yaml
     "405":