diff --git a/releasenotes/notes/12.3.0-volume-clients-as-library-660811011be29d1a.yaml b/releasenotes/notes/12.3.0-volume-clients-as-library-660811011be29d1a.yaml
new file mode 100644
index 0000000..9e9eff6
--- /dev/null
+++ b/releasenotes/notes/12.3.0-volume-clients-as-library-660811011be29d1a.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - |
+    Define the v1 and v2 types_client clients for the volume service as
+    library interfaces, allowing other projects to use these modules as
+    stable libraries without maintenance changes.
diff --git a/tempest/services/volume/v1/json/admin/types_client.py b/tempest/lib/services/volume/v1/types_client.py
similarity index 100%
rename from tempest/services/volume/v1/json/admin/types_client.py
rename to tempest/lib/services/volume/v1/types_client.py
diff --git a/tempest/services/volume/v2/json/admin/types_client.py b/tempest/lib/services/volume/v2/types_client.py
similarity index 100%
rename from tempest/services/volume/v2/json/admin/types_client.py
rename to tempest/lib/services/volume/v2/types_client.py
diff --git a/tempest/services/volume/v1/__init__.py b/tempest/services/volume/v1/__init__.py
index 72868bc..b17440e 100644
--- a/tempest/services/volume/v1/__init__.py
+++ b/tempest/services/volume/v1/__init__.py
@@ -18,7 +18,7 @@
 from tempest.lib.services.volume.v1.hosts_client import HostsClient
 from tempest.lib.services.volume.v1.quotas_client import QuotasClient
 from tempest.lib.services.volume.v1.services_client import ServicesClient
-from tempest.services.volume.v1.json.admin.types_client import TypesClient
+from tempest.lib.services.volume.v1.types_client import TypesClient
 from tempest.services.volume.v1.json.backups_client import BackupsClient
 from tempest.services.volume.v1.json.encryption_types_client import \
     EncryptionTypesClient
@@ -26,7 +26,7 @@
 from tempest.services.volume.v1.json.snapshots_client import SnapshotsClient
 from tempest.services.volume.v1.json.volumes_client import VolumesClient
 
-__all__ = ['HostsClient', 'QuotasClient', 'ServicesClient', 'TypesClient',
-           'AvailabilityZoneClient', 'BackupsClient', 'ExtensionsClient',
-           'QosSpecsClient', 'SnapshotsClient', 'VolumesClient',
-           'EncryptionTypesClient']
+__all__ = ['AvailabilityZoneClient', 'ExtensionsClient', 'HostsClient',
+           'QuotasClient', 'ServicesClient', 'TypesClient', 'BackupsClient',
+           'EncryptionTypesClient', 'QosSpecsClient', 'SnapshotsClient',
+           'VolumesClient', ]
diff --git a/tempest/services/volume/v2/__init__.py b/tempest/services/volume/v2/__init__.py
index 4afcc29..c99a81a 100644
--- a/tempest/services/volume/v2/__init__.py
+++ b/tempest/services/volume/v2/__init__.py
@@ -18,7 +18,7 @@
 from tempest.lib.services.volume.v2.hosts_client import HostsClient
 from tempest.lib.services.volume.v2.quotas_client import QuotasClient
 from tempest.lib.services.volume.v2.services_client import ServicesClient
-from tempest.services.volume.v2.json.admin.types_client import TypesClient
+from tempest.lib.services.volume.v2.types_client import TypesClient
 from tempest.services.volume.v2.json.backups_client import BackupsClient
 from tempest.services.volume.v2.json.encryption_types_client import \
     EncryptionTypesClient
@@ -26,7 +26,7 @@
 from tempest.services.volume.v2.json.snapshots_client import SnapshotsClient
 from tempest.services.volume.v2.json.volumes_client import VolumesClient
 
-__all__ = ['HostsClient', 'QuotasClient', 'ServicesClient', 'TypesClient',
-           'AvailabilityZoneClient', 'BackupsClient', 'ExtensionsClient',
-           'QosSpecsClient', 'SnapshotsClient', 'VolumesClient',
-           'EncryptionTypesClient']
+__all__ = ['AvailabilityZoneClient', 'ExtensionsClient', 'HostsClient',
+           'QuotasClient', 'ServicesClient', 'TypesClient', 'BackupsClient',
+           'EncryptionTypesClient', 'QosSpecsClient', 'SnapshotsClient',
+           'VolumesClient', ]