diff --git a/openstack/blockstorage/v1/apiversions/requests.go b/openstack/blockstorage/v1/apiversions/requests.go
index 5b213db..bb2c259 100644
--- a/openstack/blockstorage/v1/apiversions/requests.go
+++ b/openstack/blockstorage/v1/apiversions/requests.go
@@ -16,8 +16,6 @@
 // type from the result, call the Extract method on the GetResult.
 func Get(client *gophercloud.ServiceClient, v string) GetResult {
 	var res GetResult
-	_, res.Err = client.Request("GET", getURL(client, v), gophercloud.RequestOpts{
-		JSONResponse: &res.Body,
-	})
+	_, res.Err = client.Get(getURL(client, v), &res.Body, nil)
 	return res
 }
diff --git a/openstack/blockstorage/v1/snapshots/requests.go b/openstack/blockstorage/v1/snapshots/requests.go
index cb1fd51..d2f10aa 100644
--- a/openstack/blockstorage/v1/snapshots/requests.go
+++ b/openstack/blockstorage/v1/snapshots/requests.go
@@ -67,10 +67,8 @@
 		return res
 	}
 
-	_, res.Err = client.Request("POST", createURL(client), gophercloud.RequestOpts{
-		OkCodes:      []int{200, 201},
-		JSONBody:     &reqBody,
-		JSONResponse: &res.Body,
+	_, res.Err = client.Post(createURL(client), reqBody, &res.Body, &gophercloud.RequestOpts{
+		OkCodes: []int{200, 201},
 	})
 	return res
 }
@@ -78,7 +76,7 @@
 // Delete will delete the existing Snapshot with the provided ID.
 func Delete(client *gophercloud.ServiceClient, id string) DeleteResult {
 	var res DeleteResult
-	_, res.Err = client.Request("DELETE", deleteURL(client, id), gophercloud.RequestOpts{})
+	_, res.Err = client.Delete(deleteURL(client, id), nil)
 	return res
 }
 
@@ -86,9 +84,7 @@
 // object from the response, call the Extract method on the GetResult.
 func Get(client *gophercloud.ServiceClient, id string) GetResult {
 	var res GetResult
-	_, res.Err = client.Request("GET", getURL(client, id), gophercloud.RequestOpts{
-		JSONResponse: &res.Body,
-	})
+	_, res.Err = client.Get(getURL(client, id), &res.Body, nil)
 	return res
 }
 
@@ -170,10 +166,8 @@
 		return res
 	}
 
-	_, res.Err = client.Request("PUT", updateMetadataURL(client, id), gophercloud.RequestOpts{
-		OkCodes:      []int{200},
-		JSONBody:     &reqBody,
-		JSONResponse: &res.Body,
+	_, res.Err = client.Put(updateMetadataURL(client, id), reqBody, &res.Body, &gophercloud.RequestOpts{
+		OkCodes: []int{200},
 	})
 	return res
 }
diff --git a/openstack/blockstorage/v1/volumes/requests.go b/openstack/blockstorage/v1/volumes/requests.go
index ad4e574..253aaf7 100644
--- a/openstack/blockstorage/v1/volumes/requests.go
+++ b/openstack/blockstorage/v1/volumes/requests.go
@@ -83,10 +83,8 @@
 		return res
 	}
 
-	_, res.Err = client.Request("POST", createURL(client), gophercloud.RequestOpts{
-		OkCodes:      []int{200, 201},
-		JSONBody:     &reqBody,
-		JSONResponse: &res.Body,
+	_, res.Err = client.Post(createURL(client), reqBody, &res.Body, &gophercloud.RequestOpts{
+		OkCodes: []int{200, 201},
 	})
 	return res
 }
@@ -94,7 +92,7 @@
 // Delete will delete the existing Volume with the provided ID.
 func Delete(client *gophercloud.ServiceClient, id string) DeleteResult {
 	var res DeleteResult
-	_, res.Err = client.Request("DELETE", deleteURL(client, id), gophercloud.RequestOpts{})
+	_, res.Err = client.Delete(deleteURL(client, id), nil)
 	return res
 }
 
@@ -102,9 +100,7 @@
 // from the response, call the Extract method on the GetResult.
 func Get(client *gophercloud.ServiceClient, id string) GetResult {
 	var res GetResult
-	_, res.Err = client.Request("GET", getURL(client, id), gophercloud.RequestOpts{
-		JSONResponse: &res.Body,
-	})
+	_, res.Err = client.Get(getURL(client, id), &res.Body, nil)
 	return res
 }
 
@@ -200,10 +196,8 @@
 		return res
 	}
 
-	_, res.Err = client.Request("PUT", updateURL(client, id), gophercloud.RequestOpts{
-		OkCodes:      []int{200},
-		JSONBody:     &reqBody,
-		JSONResponse: &res.Body,
+	_, res.Err = client.Put(updateURL(client, id), reqBody, &res.Body, &gophercloud.RequestOpts{
+		OkCodes: []int{200},
 	})
 	return res
 }
diff --git a/openstack/blockstorage/v1/volumetypes/requests.go b/openstack/blockstorage/v1/volumetypes/requests.go
index 451f5be..1673d13 100644
--- a/openstack/blockstorage/v1/volumetypes/requests.go
+++ b/openstack/blockstorage/v1/volumetypes/requests.go
@@ -44,10 +44,8 @@
 		return res
 	}
 
-	_, res.Err = client.Request("POST", createURL(client), gophercloud.RequestOpts{
-		OkCodes:      []int{200, 201},
-		JSONBody:     &reqBody,
-		JSONResponse: &res.Body,
+	_, res.Err = client.Post(createURL(client), reqBody, &res.Body, &gophercloud.RequestOpts{
+		OkCodes: []int{200, 201},
 	})
 	return res
 }
@@ -55,7 +53,7 @@
 // Delete will delete the volume type with the provided ID.
 func Delete(client *gophercloud.ServiceClient, id string) DeleteResult {
 	var res DeleteResult
-	_, res.Err = client.Request("DELETE", deleteURL(client, id), gophercloud.RequestOpts{})
+	_, res.Err = client.Delete(deleteURL(client, id), nil)
 	return res
 }
 
@@ -63,9 +61,7 @@
 // type from the result, call the Extract method on the GetResult.
 func Get(client *gophercloud.ServiceClient, id string) GetResult {
 	var res GetResult
-	_, err := client.Request("GET", getURL(client, id), gophercloud.RequestOpts{
-		JSONResponse: &res.Body,
-	})
+	_, err := client.Get(getURL(client, id), &res.Body, nil)
 	res.Err = err
 	return res
 }