diff --git a/api-ref/source/v3/index.rst b/api-ref/source/v3/index.rst
index 5da726f0c86..9e37d421665 100644
--- a/api-ref/source/v3/index.rst
+++ b/api-ref/source/v3/index.rst
@@ -52,3 +52,6 @@ Block Storage API V3 (CURRENT)
 .. include:: quota-classes.inc
 .. include:: quota-sets.inc
 .. include:: worker-cleanup.inc
+
+.. valid values for boolean parameters.
+.. include:: valid-boolean-values.inc
\ No newline at end of file
diff --git a/api-ref/source/v3/parameters.yaml b/api-ref/source/v3/parameters.yaml
index a24b991b56c..80b8122c27a 100644
--- a/api-ref/source/v3/parameters.yaml
+++ b/api-ref/source/v3/parameters.yaml
@@ -433,6 +433,7 @@ alias:
 allow_attached_volume:
   description: |
     Whether to allow failover if any volumes are 'in-use'.
+    See :ref:`valid boolean values <valid-boolean-values>`
   in: body
   required: true
   type: boolean
@@ -602,6 +603,7 @@ bootable:
   description: |
     Enables or disables the bootable attribute. You
     can boot an instance from a bootable volume.
+    See :ref:`valid boolean values <valid-boolean-values>`
   in: body
   required: true
   type: boolean
@@ -609,6 +611,7 @@ bootable_1:
   description: |
     Enables or disables the bootable attribute. You
     can boot an instance from a bootable volume.
+    See :ref:`valid boolean values <valid-boolean-values>`
   in: body
   required: false
   type: boolean
@@ -815,6 +818,7 @@ delete-volumes:
   description: |
     If set to ``true``, allows deletion of a
     group as well as all volumes in the group.
+    See :ref:`valid boolean values <valid-boolean-values>`
   in: body
   required: false
   type: boolean
@@ -975,6 +979,7 @@ detached_at:
 disabled:
   description: |
     Filter by disabled status.
+    See :ref:`valid boolean values <valid-boolean-values>`
   in: body
   required: false
   type: boolean
@@ -1072,6 +1077,7 @@ force:
   description: |
     Indicates whether to backup, even if the volume
     is attached. Default is ``false``.
+    See :ref:`valid boolean values <valid-boolean-values>`
   in: body
   required: false
   type: boolean
@@ -1093,6 +1099,7 @@ force_4:
   description: |
     Enables or disables upload of a volume that is
     attached to an instance. Default=False.
+    See :ref:`valid boolean values <valid-boolean-values>`
   in: body
   required: false
   type: boolean
@@ -1375,7 +1382,7 @@ incremental:
   description: |
     The backup mode. A valid value is ``true`` for
     incremental backup mode or ``false`` for full backup mode. Default
-    is ``false``.
+    is ``false``. See :ref:`valid boolean values <valid-boolean-values>`
   in: body
   required: false
   type: boolean
@@ -1402,6 +1409,7 @@ is_incremental:
 is_public_group_type_optional:
   description: |
     Whether the group type is publicly visible.
+    See :ref:`valid boolean values <valid-boolean-values>`
   in: body
   required: false
   type: boolean
@@ -1414,6 +1422,7 @@ is_public_group_type_required:
 is_public_volume_type_optional:
   description: |
     Whether the volume type is publicly visible.
+    See :ref:`valid boolean values <valid-boolean-values>`
   in: body
   required: false
   type: boolean
@@ -1426,6 +1435,7 @@ is_public_volume_type_required:
 is_up:
   description: |
     Filter by up/down status.
+    See :ref:`valid boolean values <valid-boolean-values>`
   in: body
   required: false
   type: boolean
@@ -1745,7 +1755,7 @@ multiattach_req:
     To enable this volume to attach to more than one
     server, set this value to ``true``. Default is ``false``.
     Note that support for multiattach volumes depends on the volume
-    type being used.
+    type being used. See :ref:`valid boolean values <valid-boolean-values>`
   in: body
   required: false
   type: boolean
@@ -2179,6 +2189,7 @@ properties:
 protected:
   description: |
     Whether the new image is protected. Default=False.
+    See :ref:`valid boolean values <valid-boolean-values>`
   in: body
   required: false
   type: boolean
diff --git a/api-ref/source/v3/valid-boolean-values.inc b/api-ref/source/v3/valid-boolean-values.inc
new file mode 100644
index 00000000000..1e9b68a5112
--- /dev/null
+++ b/api-ref/source/v3/valid-boolean-values.inc
@@ -0,0 +1,12 @@
+.. -*- rst -*-
+
+.. _valid-boolean-values:
+
+Valid boolean values
+====================
+
+Following is the list of valid values for boolean parameters.
+
+[True, ‘True’, ‘TRUE’, ‘true’, ‘1’, ‘ON’, ‘On’, ‘on’, ‘YES’,
+‘Yes’, ‘yes’, ‘y’, ‘t’, False, ‘False’, ‘FALSE’, ‘false’, ‘0’,
+‘OFF’, ‘Off’, ‘off’, ‘NO’, ‘No’, ‘no’, ‘n’, ‘f’]
\ No newline at end of file
diff --git a/releasenotes/notes/json-schema-validation-0d22576bd556f4e0.yaml b/releasenotes/notes/json-schema-validation-0d22576bd556f4e0.yaml
new file mode 100644
index 00000000000..112eaa9b227
--- /dev/null
+++ b/releasenotes/notes/json-schema-validation-0d22576bd556f4e0.yaml
@@ -0,0 +1,26 @@
+---
+other:
+  - |
+    Added schema validation support using jsonschema `[json-schema-validation]`_
+    for all supported v3 APIs.
+
+    Following APIs were accepting boolean parameters with leading and trailing
+    white spaces (for e.g. " true "). But now with schema validation support,
+    all these boolean parameters henceforth will not accept leading and trailing
+    whitespaces to maintain consistency.
+
+    * Generic volume groups:
+
+      * delete group: "POST /v3/{project_id}/groups/{group_id}/action"
+
+      * failover replication: "POST /v3/{project_id}/groups/{group_id}/action"
+    * Volume Snapshots:
+
+      * create a snapshot: "POST /v3/{project_id}/snapshots"
+    * Volume_actions:
+
+      * set bootable: "POST /v3/{project_id}/volumes/{volume_id}/action"
+
+      * volume readonly update: "POST /v3/{project_id}/volumes/{volume_id}/action"
+
+    .. _`[json-schema-validation]`: https://blueprints.launchpad.net/cinder/+spec/json-schema-validation