diff --git a/api-ref/source/v3/attachments.inc b/api-ref/source/v3/attachments.inc
index 64dc8c3fe..93c349067 100644
--- a/api-ref/source/v3/attachments.inc
+++ b/api-ref/source/v3/attachments.inc
@@ -74,11 +74,12 @@ List attachments with details
 
 .. rest_method::  GET /v3/{project_id}/attachments/detail
 
-Lists all attachments with details.
+Lists all attachments with details, since v3.31 if non-admin
+users specify invalid filters in the url, API will return bad request.
 
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 Request
 -------
@@ -118,11 +119,12 @@ List attachments
 
 .. rest_method::  GET /v3/{project_id}/attachments
 
-Lists all attachments.
+Lists all attachments, since v3.31 if non-admin users
+specify invalid filters in the url, API will return bad request.
 
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 
 Request
diff --git a/api-ref/source/v3/ext-backups.inc b/api-ref/source/v3/ext-backups.inc
index 78da6a2d3..0572e70e5 100644
--- a/api-ref/source/v3/ext-backups.inc
+++ b/api-ref/source/v3/ext-backups.inc
@@ -42,11 +42,13 @@ List backups with detail
 
 .. rest_method::  GET /v3/{project_id}/backups/detail
 
-Lists Block Storage backups, with details, to which the project has access.
+Lists Block Storage backups, with details, to which the project has access,
+since v3.31 if non-admin users specify invalid filters in the url,
+API will return bad request.
 
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 
 Request
@@ -242,10 +244,12 @@ List backups for project
 
 .. rest_method::  GET /v3/{project_id}/backups
 
-Lists Block Storage backups to which the project has access.
+Lists Block Storage backups to which the project has access,
+since v3.31 if non-admin users specify invalid filters in the
+url, API will return bad request.
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 Request
 -------
diff --git a/api-ref/source/v3/group-snapshots.inc b/api-ref/source/v3/group-snapshots.inc
index 229a6e15c..a84791c38 100644
--- a/api-ref/source/v3/group-snapshots.inc
+++ b/api-ref/source/v3/group-snapshots.inc
@@ -72,11 +72,12 @@ List group snapshots with details
 
 .. rest_method::  GET /v3/{project_id}/group_snapshots/detail
 
-Lists all group snapshots with details.
+Lists all group snapshots with details, since v3.31 if non-admin
+users specify invalid filters in the url, API will return bad request.
 
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 Request
 -------
@@ -114,11 +115,12 @@ List group snapshots
 
 .. rest_method::  GET /v3/{project_id}/group_snapshots
 
-Lists all group snapshots.
+Lists all group snapshots, since v3.31 if non-admin users
+specify invalid filters in the url, API will return bad request.
 
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 
 Request
diff --git a/api-ref/source/v3/groups.inc b/api-ref/source/v3/groups.inc
index bb1d6e0e2..a83b8ab0b 100644
--- a/api-ref/source/v3/groups.inc
+++ b/api-ref/source/v3/groups.inc
@@ -22,11 +22,12 @@ List groups
 
 .. rest_method::  GET /v3/{project_id}/groups
 
-Lists groups.
+Lists groups, since v3.31 if non-admin users specify
+invalid filters in the url, API will return bad request.
 
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 
 Request
@@ -187,11 +188,12 @@ List groups with details
 
 .. rest_method::  GET /v3/{project_id}/groups/detail
 
-Lists groups with details.
+Lists groups with details, since v3.31 if non-admin
+users specify invalid filters in the url, API will return bad request.
 
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 
 Request
diff --git a/api-ref/source/v3/messages.inc b/api-ref/source/v3/messages.inc
index cf902dce8..74a6ed653 100644
--- a/api-ref/source/v3/messages.inc
+++ b/api-ref/source/v3/messages.inc
@@ -75,11 +75,12 @@ List messages
 
 .. rest_method::  GET /v3/{project_id}/messages
 
-Lists all messages.
+Lists all messages, since v3.31 if non-admin users
+specify invalid filters in the url, API will return bad request.
 
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 
 Request
diff --git a/api-ref/source/v3/os-vol-pool-v3.inc b/api-ref/source/v3/os-vol-pool-v3.inc
index 1345ea347..87324f9c9 100644
--- a/api-ref/source/v3/os-vol-pool-v3.inc
+++ b/api-ref/source/v3/os-vol-pool-v3.inc
@@ -12,11 +12,12 @@ List all back-end storage pools
 
 .. rest_method::  GET /v3/{project_id}/scheduler-stats/get_pools
 
-Lists all back-end storage pools.
+Lists all back-end storage pools, since v3.31 if non-admin users
+specify invalid filters in the url, API will return bad request.
 
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 Request
 -------
diff --git a/api-ref/source/v3/volumes-v3-snapshots.inc b/api-ref/source/v3/volumes-v3-snapshots.inc
index deb34f8bf..777a463a1 100644
--- a/api-ref/source/v3/volumes-v3-snapshots.inc
+++ b/api-ref/source/v3/volumes-v3-snapshots.inc
@@ -31,11 +31,13 @@ List snapshots and details
 
 .. rest_method::  GET /v3/{project_id}/snapshots/detail
 
-Lists all Block Storage snapshots, with details, that the project can access.
+Lists all Block Storage snapshots, with details, that the project can access,
+since v3.31 if non-admin users specify invalid filters in the url, API will
+return bad request.
 
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 
 Request
@@ -123,11 +125,13 @@ List accessible snapshots
 
 .. rest_method::  GET /v3/{project_id}/snapshots
 
-Lists all Block Storage snapshots, with summary information, that the project can access.
+Lists all Block Storage snapshots, with summary information,
+that the project can access, since v3.31 if non-admin users
+specify invalid filters in the url, API will return bad request.
 
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 
 Request
diff --git a/api-ref/source/v3/volumes-v3-volumes.inc b/api-ref/source/v3/volumes-v3-volumes.inc
index 2f516df00..cbb22ecff 100644
--- a/api-ref/source/v3/volumes-v3-volumes.inc
+++ b/api-ref/source/v3/volumes-v3-volumes.inc
@@ -59,16 +59,18 @@ status values are:
 +------------------+--------------------------------------------------------+
 
 
-List accessbile volumes with details
+List accessible volumes with details
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. rest_method::  GET /v3/{project_id}/volumes/detail
 
-Lists all Block Storage volumes, with details, that the project can access.
+Lists all Block Storage volumes, with details, that the project can access,
+since v3.31 if non-admin users specify invalid filters in the url, API will
+return bad request.
 
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 
 Request
@@ -234,11 +236,13 @@ List accessible volumes
 
 .. rest_method::  GET /v3/{project_id}/volumes
 
-Lists summary information for all Block Storage volumes that the project can access.
+Lists summary information for all Block Storage volumes that the
+project can access, since v3.31 if non-admin users specify invalid
+filters in the url, API will return bad request.
 
 
 Normal response codes: 200
-Error response codes:
+Error response codes: badRequest(400)
 
 
 Request