diff --git a/api-ref/source/os-hypervisors.inc b/api-ref/source/os-hypervisors.inc
index c340c7f84343..71c6814a4c1c 100644
--- a/api-ref/source/os-hypervisors.inc
+++ b/api-ref/source/os-hypervisors.inc
@@ -246,9 +246,9 @@ Response
 Search Hypervisor
 =================
 
-.. rest_method:: GET /os-hypervisors/{hypervisor_id}/search
+.. rest_method:: GET /os-hypervisors/{hypervisor_hostname_pattern}/search
 
-Search hypervisor by given hypervisor id.
+Search hypervisor by a given hypervisor host name or portion of it.
 
 Policy defaults enable only users with the administrative role to perform
 this operation. Cloud providers can change these permissions through
@@ -263,7 +263,7 @@ Request
 
 .. rest_parameters:: parameters.yaml
 
-  - hypervisor_id: hypervisor_id
+  - hypervisor_hostname_pattern: hypervisor_hostname_pattern
 
 Response
 --------
@@ -284,9 +284,10 @@ Response
 List Hypervisor Servers
 =======================
 
-.. rest_method:: GET /os-hypervisors/{hypervisor_id}/servers
+.. rest_method:: GET /os-hypervisors/{hypervisor_hostname_pattern}/servers
 
-List all servers belong to given hypervisor.
+List all servers belong to each hypervisor whose host name is matching
+a given hypervisor host name or portion of it.
 
 Policy defaults enable only users with the administrative role to perform
 this operation. Cloud providers can change these permissions through
@@ -301,7 +302,7 @@ Request
 
 .. rest_parameters:: parameters.yaml
 
-  - hypervisor_id: hypervisor_id
+  - hypervisor_hostname_pattern: hypervisor_hostname_pattern
 
 Response
 --------
diff --git a/api-ref/source/parameters.yaml b/api-ref/source/parameters.yaml
index 26e134c2a58f..748ca64a7154 100644
--- a/api-ref/source/parameters.yaml
+++ b/api-ref/source/parameters.yaml
@@ -127,12 +127,19 @@ host_status_body_in:
   in: path
   required: false
   type: string
+hypervisor_hostname_pattern:
+  description: |
+    The hypervisor host name or a portion of it.
+    The hypervisor hosts are selected with the host name matching this pattern.
+  in: path
+  required: true
+  type: string
 hypervisor_id:
   description: |
     The ID of the hypervisor.
   in: path
   required: true
-  type: string
+  type: integer
 image_id:
   description: |
     The UUID of the image.