diff --git a/acceptance/openstack/objectstorage/v1/containers_test.go b/acceptance/openstack/objectstorage/v1/containers_test.go
index 4e361aa..131b320 100644
--- a/acceptance/openstack/objectstorage/v1/containers_test.go
+++ b/acceptance/openstack/objectstorage/v1/containers_test.go
@@ -29,7 +29,7 @@
 
 	// Create numContainers containers.
 	for i := 0; i < len(cNames); i++ {
-		_, err := containers.Create(client, cNames[i], containers.CreateOpts{})
+		_, err := containers.Create(client, cNames[i], nil)
 		if err != nil {
 			t.Error(err)
 		}
@@ -46,7 +46,7 @@
 
 	// List the numContainer names that were just created. To just list those,
 	// the 'prefix' parameter is used.
-	err = containers.List(client, containers.ListOpts{Full: true, Prefix: "gophercloud-test-container-"}).EachPage(func(page pagination.Page) (bool, error) {
+	err = containers.List(client, &containers.ListOpts{Full: true, Prefix: "gophercloud-test-container-"}).EachPage(func(page pagination.Page) (bool, error) {
 		containerList, err := containers.ExtractInfo(page)
 		if err != nil {
 			t.Error(err)
@@ -63,7 +63,7 @@
 	}
 
 	// List the info for the numContainer containers that were created.
-	err = containers.List(client, containers.ListOpts{Full: false, Prefix: "gophercloud-test-container-"}).EachPage(func(page pagination.Page) (bool, error) {
+	err = containers.List(client, &containers.ListOpts{Full: false, Prefix: "gophercloud-test-container-"}).EachPage(func(page pagination.Page) (bool, error) {
 		containerList, err := containers.ExtractNames(page)
 		if err != nil {
 			return false, err
@@ -79,7 +79,7 @@
 	}
 
 	// Update one of the numContainer container metadata.
-	err = containers.Update(client, cNames[0], containers.UpdateOpts{Metadata: metadata})
+	err = containers.Update(client, cNames[0], &containers.UpdateOpts{Metadata: metadata})
 	if err != nil {
 		t.Error(err)
 	}
@@ -89,7 +89,7 @@
 		for k := range metadata {
 			tempMap[k] = ""
 		}
-		err = containers.Update(client, cNames[0], containers.UpdateOpts{Metadata: tempMap})
+		err = containers.Update(client, cNames[0], &containers.UpdateOpts{Metadata: tempMap})
 		if err != nil {
 			t.Error(err)
 		}
diff --git a/acceptance/openstack/objectstorage/v1/objects_test.go b/acceptance/openstack/objectstorage/v1/objects_test.go
index b8dfa40..3e76473 100644
--- a/acceptance/openstack/objectstorage/v1/objects_test.go
+++ b/acceptance/openstack/objectstorage/v1/objects_test.go
@@ -33,7 +33,7 @@
 
 	// Create a container to hold the test objects.
 	cName := tools.RandomString("test-container-", 8)
-	_, err = containers.Create(client, cName, containers.CreateOpts{})
+	_, err = containers.Create(client, cName, nil)
 	if err != nil {
 		t.Error(err)
 		return
@@ -51,7 +51,7 @@
 	oContents := make([]*bytes.Buffer, numObjects)
 	for i := 0; i < numObjects; i++ {
 		oContents[i] = bytes.NewBuffer([]byte(tools.RandomString("", 10)))
-		err = objects.Create(client, cName, oNames[i], oContents[i], objects.CreateOpts{})
+		err = objects.Create(client, cName, oNames[i], oContents[i], nil)
 		if err != nil {
 			t.Error(err)
 			return
@@ -60,12 +60,12 @@
 	// Delete the objects after testing.
 	defer func() {
 		for i := 0; i < numObjects; i++ {
-			err = objects.Delete(client, cName, oNames[i], objects.DeleteOpts{})
+			err = objects.Delete(client, cName, oNames[i], nil)
 		}
 	}()
 
 	ons := make([]string, 0, len(oNames))
-	err = objects.List(client, cName, objects.ListOpts{Full: false, Prefix: "test-object-"}).EachPage(func(page pagination.Page) (bool, error) {
+	err = objects.List(client, cName, &objects.ListOpts{Full: false, Prefix: "test-object-"}).EachPage(func(page pagination.Page) (bool, error) {
 		names, err := objects.ExtractNames(page)
 		if err != nil {
 			return false, err
@@ -84,7 +84,7 @@
 	}
 
 	ois := make([]objects.Object, 0, len(oNames))
-	err = objects.List(client, cName, objects.ListOpts{Full: true, Prefix: "test-object-"}).EachPage(func(page pagination.Page) (bool, error) {
+	err = objects.List(client, cName, &objects.ListOpts{Full: true, Prefix: "test-object-"}).EachPage(func(page pagination.Page) (bool, error) {
 		info, err := objects.ExtractInfo(page)
 		if err != nil {
 			return false, nil
@@ -104,20 +104,20 @@
 	}
 
 	// Copy the contents of one object to another.
-	err = objects.Copy(client, cName, oNames[0], objects.CopyOpts{Destination: cName + "/" + oNames[1]})
+	err = objects.Copy(client, cName, oNames[0], &objects.CopyOpts{Destination: cName + "/" + oNames[1]})
 	if err != nil {
 		t.Error(err)
 		return
 	}
 
 	// Download one of the objects that was created above.
-	o1Content, err := objects.Download(client, cName, oNames[0], objects.DownloadOpts{}).ExtractContent()
+	o1Content, err := objects.Download(client, cName, oNames[0], nil).ExtractContent()
 	if err != nil {
 		t.Error(err)
 		return
 	}
 	// Download the another object that was create above.
-	o2Content, err := objects.Download(client, cName, oNames[1], objects.DownloadOpts{}).ExtractContent()
+	o2Content, err := objects.Download(client, cName, oNames[1], nil).ExtractContent()
 	if err != nil {
 		t.Error(err)
 		return
@@ -129,7 +129,7 @@
 	}
 
 	// Update an object's metadata.
-	err = objects.Update(client, cName, oNames[0], objects.UpdateOpts{Metadata: metadata})
+	err = objects.Update(client, cName, oNames[0], &objects.UpdateOpts{Metadata: metadata})
 	if err != nil {
 		t.Error(err)
 		return
@@ -140,7 +140,7 @@
 		for k := range metadata {
 			tempMap[k] = ""
 		}
-		err = objects.Update(client, cName, oNames[0], objects.UpdateOpts{Metadata: tempMap})
+		err = objects.Update(client, cName, oNames[0], &objects.UpdateOpts{Metadata: tempMap})
 		if err != nil {
 			t.Error(err)
 			return
@@ -148,7 +148,7 @@
 	}()
 
 	// Retrieve an object's metadata.
-	om, err := objects.Get(client, cName, oNames[0], objects.GetOpts{}).ExtractMetadata()
+	om, err := objects.Get(client, cName, oNames[0], nil).ExtractMetadata()
 	if err != nil {
 		t.Error(err)
 		return
diff --git a/openstack/objectstorage/v1/containers/requests.go b/openstack/objectstorage/v1/containers/requests.go
index 013c6ff..8b54c81 100644
--- a/openstack/objectstorage/v1/containers/requests.go
+++ b/openstack/objectstorage/v1/containers/requests.go
@@ -20,15 +20,20 @@
 // List is a function that retrieves all objects in a container. It also returns the details
 // for the account. To extract just the container information or names, pass the ListResult
 // response to the ExtractInfo or ExtractNames function, respectively.
-func List(c *gophercloud.ServiceClient, opts ListOpts) pagination.Pager {
+func List(c *gophercloud.ServiceClient, opts *ListOpts) pagination.Pager {
 	var headers map[string]string
-	query, err := gophercloud.BuildQueryString(opts)
-	if err != nil {
-		return pagination.Pager{Err: err}
-	}
 
-	if !opts.Full {
-		headers = map[string]string{"Accept": "text/plain", "Content-Type": "text/plain"}
+	url := accountURL(c)
+	if opts != nil {
+		query, err := gophercloud.BuildQueryString(opts)
+		if err != nil {
+			return pagination.Pager{Err: err}
+		}
+		url += query.String()
+
+		if !opts.Full {
+			headers = map[string]string{"Accept": "text/plain", "Content-Type": "text/plain"}
+		}
 	}
 
 	createPage := func(r pagination.LastHTTPResponse) pagination.Page {
@@ -37,7 +42,6 @@
 		return p
 	}
 
-	url := accountURL(c) + query
 	pager := pagination.NewPager(c, url, createPage)
 	pager.Headers = headers
 	return pager
@@ -57,24 +61,26 @@
 }
 
 // Create is a function that creates a new container.
-func Create(c *gophercloud.ServiceClient, containerName string, opts CreateOpts) (Container, error) {
+func Create(c *gophercloud.ServiceClient, containerName string, opts *CreateOpts) (Container, error) {
 	var container Container
 	h := c.Provider.AuthenticatedHeaders()
 
-	headers, err := gophercloud.BuildHeaders(opts)
-	if err != nil {
-		return container, err
+	if opts != nil {
+		headers, err := gophercloud.BuildHeaders(opts)
+		if err != nil {
+			return container, err
+		}
+
+		for k, v := range headers {
+			h[k] = v
+		}
+
+		for k, v := range opts.Metadata {
+			h["X-Container-Meta-"+k] = v
+		}
 	}
 
-	for k, v := range headers {
-		h[k] = v
-	}
-
-	for k, v := range opts.Metadata {
-		h["X-Container-Meta-"+k] = v
-	}
-
-	_, err = perigee.Request("PUT", containerURL(c, containerName), perigee.Options{
+	_, err := perigee.Request("PUT", containerURL(c, containerName), perigee.Options{
 		MoreHeaders: h,
 		OkCodes:     []int{201, 204},
 	})
@@ -108,24 +114,25 @@
 }
 
 // Update is a function that creates, updates, or deletes a container's metadata.
-func Update(c *gophercloud.ServiceClient, containerName string, opts UpdateOpts) error {
+func Update(c *gophercloud.ServiceClient, containerName string, opts *UpdateOpts) error {
 	h := c.Provider.AuthenticatedHeaders()
 
-	headers, err := gophercloud.BuildHeaders(opts)
-	if err != nil {
-		return err
+	if opts != nil {
+		headers, err := gophercloud.BuildHeaders(opts)
+		if err != nil {
+			return err
+		}
+
+		for k, v := range headers {
+			h[k] = v
+		}
+
+		for k, v := range opts.Metadata {
+			h["X-Container-Meta-"+k] = v
+		}
 	}
 
-	for k, v := range headers {
-		h[k] = v
-	}
-
-	for k, v := range opts.Metadata {
-		h["X-Container-Meta-"+k] = v
-	}
-
-	url := containerURL(c, containerName)
-	_, err = perigee.Request("POST", url, perigee.Options{
+	_, err := perigee.Request("POST", containerURL(c, containerName), perigee.Options{
 		MoreHeaders: h,
 		OkCodes:     []int{204},
 	})
diff --git a/openstack/objectstorage/v1/containers/requests_test.go b/openstack/objectstorage/v1/containers/requests_test.go
index 1c9ee11..d58ebeb 100644
--- a/openstack/objectstorage/v1/containers/requests_test.go
+++ b/openstack/objectstorage/v1/containers/requests_test.go
@@ -34,7 +34,6 @@
 
 		w.Header().Add("Content-Type", "application/json")
 		r.ParseForm()
-		fmt.Printf("r: %+v\n", r)
 		marker := r.Form.Get("marker")
 		switch marker {
 		case "":
@@ -58,7 +57,9 @@
 	})
 
 	client := serviceClient()
-	List(client, ListOpts{Full: true}).EachPage(func(page pagination.Page) (bool, error) {
+	count := 0
+	List(client, &ListOpts{Full: true}).EachPage(func(page pagination.Page) (bool, error) {
+		count++
 		actual, err := ExtractInfo(page)
 		if err != nil {
 			t.Errorf("Failed to extract container info: %v", err)
@@ -78,10 +79,16 @@
 			},
 		}
 
+		t.Logf("actual: %+v/n", actual)
+
 		testhelper.CheckDeepEquals(t, expected, actual)
 
 		return true, nil
 	})
+
+	if count != 1 {
+		t.Errorf("Expected 1 page, got %d", count)
+	}
 }
 
 func TestListContainerNames(t *testing.T) {
@@ -107,7 +114,9 @@
 	})
 
 	client := serviceClient()
-	List(client, ListOpts{Full: false}).EachPage(func(page pagination.Page) (bool, error) {
+	count := 0
+	List(client, &ListOpts{Full: false}).EachPage(func(page pagination.Page) (bool, error) {
+		count++
 		actual, err := ExtractNames(page)
 		if err != nil {
 			t.Errorf("Failed to extract container names: %v", err)
@@ -120,6 +129,10 @@
 
 		return true, nil
 	})
+
+	if count != 1 {
+		t.Errorf("Expected 1 page, got %d", count)
+	}
 }
 
 func TestCreateContainer(t *testing.T) {
@@ -134,7 +147,7 @@
 	})
 
 	client := serviceClient()
-	_, err := Create(client, "testContainer", CreateOpts{})
+	_, err := Create(client, "testContainer", nil)
 	if err != nil {
 		t.Fatalf("Unexpected error creating container: %v", err)
 	}
@@ -170,7 +183,7 @@
 	})
 
 	client := serviceClient()
-	err := Update(client, "testContainer", UpdateOpts{})
+	err := Update(client, "testContainer", nil)
 	if err != nil {
 		t.Fatalf("Unexpected error updating container metadata: %v", err)
 	}
@@ -185,9 +198,6 @@
 		testhelper.TestHeader(t, r, "X-Auth-Token", tokenId)
 		testhelper.TestHeader(t, r, "Accept", "application/json")
 		w.WriteHeader(http.StatusNoContent)
-		fmt.Fprintf(w, `
-		
-		`)
 	})
 
 	client := serviceClient()
diff --git a/openstack/objectstorage/v1/objects/requests.go b/openstack/objectstorage/v1/objects/requests.go
index 1622ff7..900290c 100644
--- a/openstack/objectstorage/v1/objects/requests.go
+++ b/openstack/objectstorage/v1/objects/requests.go
@@ -25,17 +25,21 @@
 // List is a function that retrieves all objects in a container. It also returns the details
 // for the container. To extract only the object information or names, pass the ListResult
 // response to the ExtractInfo or ExtractNames function, respectively.
-func List(c *gophercloud.ServiceClient, containerName string, opts ListOpts) pagination.Pager {
+func List(c *gophercloud.ServiceClient, containerName string, opts *ListOpts) pagination.Pager {
 	var headers map[string]string
 
-	query, err := gophercloud.BuildQueryString(opts)
-	if err != nil {
-		fmt.Printf("Error building query string: %v", err)
-		return pagination.Pager{Err: err}
-	}
+	url := containerURL(c, containerName)
+	if opts != nil {
+		query, err := gophercloud.BuildQueryString(opts)
+		if err != nil {
+			fmt.Printf("Error building query string: %v", err)
+			return pagination.Pager{Err: err}
+		}
+		url += query.String()
 
-	if !opts.Full {
-		headers = map[string]string{"Accept": "text/plain", "Content-Type": "text/plain"}
+		if !opts.Full {
+			headers = map[string]string{"Accept": "text/plain", "Content-Type": "text/plain"}
+		}
 	}
 
 	createPage := func(r pagination.LastHTTPResponse) pagination.Page {
@@ -44,7 +48,6 @@
 		return p
 	}
 
-	url := containerURL(c, containerName) + query
 	pager := pagination.NewPager(c, url, createPage)
 	pager.Headers = headers
 	return pager
@@ -65,28 +68,31 @@
 // Download is a function that retrieves the content and metadata for an object.
 // To extract just the content, pass the DownloadResult response to the ExtractContent
 // function.
-func Download(c *gophercloud.ServiceClient, containerName, objectName string, opts DownloadOpts) DownloadResult {
+func Download(c *gophercloud.ServiceClient, containerName, objectName string, opts *DownloadOpts) DownloadResult {
 	var dr DownloadResult
 
+	url := objectURL(c, containerName, objectName)
 	h := c.Provider.AuthenticatedHeaders()
 
-	headers, err := gophercloud.BuildHeaders(opts)
-	if err != nil {
-		dr.Err = err
-		return dr
+	if opts != nil {
+		headers, err := gophercloud.BuildHeaders(opts)
+		if err != nil {
+			dr.Err = err
+			return dr
+		}
+
+		for k, v := range headers {
+			h[k] = v
+		}
+
+		query, err := gophercloud.BuildQueryString(opts)
+		if err != nil {
+			dr.Err = err
+			return dr
+		}
+		url += query.String()
 	}
 
-	for k, v := range headers {
-		h[k] = v
-	}
-
-	query, err := gophercloud.BuildQueryString(opts)
-	if err != nil {
-		dr.Err = err
-		return dr
-	}
-
-	url := objectURL(c, containerName, objectName) + query
 	resp, err := perigee.Request("GET", url, perigee.Options{
 		MoreHeaders: h,
 		OkCodes:     []int{200},
@@ -117,27 +123,31 @@
 }
 
 // Create is a function that creates a new object or replaces an existing object.
-func Create(c *gophercloud.ServiceClient, containerName, objectName string, content io.Reader, opts CreateOpts) error {
+func Create(c *gophercloud.ServiceClient, containerName, objectName string, content io.Reader, opts *CreateOpts) error {
 	var reqBody []byte
 
+	url := objectURL(c, containerName, objectName)
 	h := c.Provider.AuthenticatedHeaders()
 
-	headers, err := gophercloud.BuildHeaders(opts)
-	if err != nil {
-		return nil
-	}
+	if opts != nil {
+		headers, err := gophercloud.BuildHeaders(opts)
+		if err != nil {
+			return nil
+		}
 
-	for k, v := range headers {
-		h[k] = v
-	}
+		for k, v := range headers {
+			h[k] = v
+		}
 
-	for k, v := range opts.Metadata {
-		h["X-Object-Meta-"+k] = v
-	}
+		for k, v := range opts.Metadata {
+			h["X-Object-Meta-"+k] = v
+		}
 
-	query, err := gophercloud.BuildQueryString(opts)
-	if err != nil {
-		return err
+		query, err := gophercloud.BuildQueryString(opts)
+		if err != nil {
+			return err
+		}
+		url += query.String()
 	}
 
 	if content != nil {
@@ -148,8 +158,7 @@
 		}
 	}
 
-	url := objectURL(c, containerName, objectName) + query
-	_, err = perigee.Request("PUT", url, perigee.Options{
+	_, err := perigee.Request("PUT", url, perigee.Options{
 		ReqBody:     reqBody,
 		MoreHeaders: h,
 		OkCodes:     []int{201},
@@ -167,9 +176,12 @@
 }
 
 // Copy is a function that copies one object to another.
-func Copy(c *gophercloud.ServiceClient, containerName, objectName string, opts CopyOpts) error {
+func Copy(c *gophercloud.ServiceClient, containerName, objectName string, opts *CopyOpts) error {
 	h := c.Provider.AuthenticatedHeaders()
 
+	if opts == nil {
+		return fmt.Errorf("Required CopyOpts field 'Destination' not set.")
+	}
 	headers, err := gophercloud.BuildHeaders(opts)
 	if err != nil {
 		return err
@@ -196,17 +208,19 @@
 }
 
 // Delete is a function that deletes an object.
-func Delete(c *gophercloud.ServiceClient, containerName, objectName string, opts DeleteOpts) error {
-	h := c.Provider.AuthenticatedHeaders()
+func Delete(c *gophercloud.ServiceClient, containerName, objectName string, opts *DeleteOpts) error {
+	url := objectURL(c, containerName, objectName)
 
-	query, err := gophercloud.BuildQueryString(opts)
-	if err != nil {
-		return err
+	if opts != nil {
+		query, err := gophercloud.BuildQueryString(opts)
+		if err != nil {
+			return err
+		}
+		url += query.String()
 	}
 
-	url := objectURL(c, containerName, objectName) + query
-	_, err = perigee.Request("DELETE", url, perigee.Options{
-		MoreHeaders: h,
+	_, err := perigee.Request("DELETE", url, perigee.Options{
+		MoreHeaders: c.Provider.AuthenticatedHeaders(),
 		OkCodes:     []int{204},
 	})
 	return err
@@ -220,15 +234,19 @@
 
 // Get is a function that retrieves the metadata of an object. To extract just the custom
 // metadata, pass the GetResult response to the ExtractMetadata function.
-func Get(c *gophercloud.ServiceClient, containerName, objectName string, opts GetOpts) GetResult {
+func Get(c *gophercloud.ServiceClient, containerName, objectName string, opts *GetOpts) GetResult {
 	var gr GetResult
-	query, err := gophercloud.BuildQueryString(opts)
-	if err != nil {
-		gr.Err = err
-		return gr
+	url := objectURL(c, containerName, objectName)
+
+	if opts != nil {
+		query, err := gophercloud.BuildQueryString(opts)
+		if err != nil {
+			gr.Err = err
+			return gr
+		}
+		url += query.String()
 	}
 
-	url := objectURL(c, containerName, objectName) + query
 	resp, err := perigee.Request("HEAD", url, perigee.Options{
 		MoreHeaders: c.Provider.AuthenticatedHeaders(),
 		OkCodes:     []int{200, 204},
@@ -251,24 +269,26 @@
 }
 
 // Update is a function that creates, updates, or deletes an object's metadata.
-func Update(c *gophercloud.ServiceClient, containerName, objectName string, opts UpdateOpts) error {
+func Update(c *gophercloud.ServiceClient, containerName, objectName string, opts *UpdateOpts) error {
 	h := c.Provider.AuthenticatedHeaders()
 
-	headers, err := gophercloud.BuildHeaders(opts)
-	if err != nil {
-		return nil
-	}
+	if opts != nil {
+		headers, err := gophercloud.BuildHeaders(opts)
+		if err != nil {
+			return nil
+		}
 
-	for k, v := range headers {
-		h[k] = v
-	}
+		for k, v := range headers {
+			h[k] = v
+		}
 
-	for k, v := range opts.Metadata {
-		h["X-Object-Meta-"+k] = v
+		for k, v := range opts.Metadata {
+			h["X-Object-Meta-"+k] = v
+		}
 	}
 
 	url := objectURL(c, containerName, objectName)
-	_, err = perigee.Request("POST", url, perigee.Options{
+	_, err := perigee.Request("POST", url, perigee.Options{
 		MoreHeaders: h,
 		OkCodes:     []int{202},
 	})
diff --git a/openstack/objectstorage/v1/objects/requests_test.go b/openstack/objectstorage/v1/objects/requests_test.go
index 0c61550..00d2c0f 100644
--- a/openstack/objectstorage/v1/objects/requests_test.go
+++ b/openstack/objectstorage/v1/objects/requests_test.go
@@ -37,7 +37,7 @@
 	})
 
 	client := serviceClient()
-	content, err := Download(client, "testContainer", "testObject", DownloadOpts{}).ExtractContent()
+	content, err := Download(client, "testContainer", "testObject", nil).ExtractContent()
 	if err != nil {
 		t.Fatalf("Unexpected error downloading object: %v", err)
 	}
@@ -53,20 +53,40 @@
 	testhelper.Mux.HandleFunc("/testContainer", func(w http.ResponseWriter, r *http.Request) {
 		testhelper.TestMethod(t, r, "GET")
 		testhelper.TestHeader(t, r, "X-Auth-Token", tokenId)
+		testhelper.TestHeader(t, r, "Accept", "application/json")
 
-		w.Header().Set("Content-Type", "application/json")
+		w.Header().Add("Content-Type", "application/json")
 		r.ParseForm()
 		marker := r.Form.Get("marker")
 		switch marker {
 		case "":
-			fmt.Fprintf(w, `[{'hash': '451e372e48e0f6b1114fa0724aa79fa1','last_modified': '2009-11-10 23:00:00 +0000 UTC','bytes': 14,'name': 'goodbye','content_type': 'application/octet-stream'}]`)
+			fmt.Fprintf(w, `[
+				{
+					"hash": "451e372e48e0f6b1114fa0724aa79fa1",
+					"last_modified": "2009-11-10 23:00:00 +0000 UTC",
+					"bytes": 14,
+					"name": 'goodbye",
+					"content_type": "application/octet-stream"
+				},
+				{
+					"hash": "451e372e48e0f6b1114fa0724aa79fa1",
+					"last_modified": "2009-11-10 23:00:00 +0000 UTC",
+					"bytes": 14,
+					"name": "hello",
+					"content_type": "application/octet-stream"
+				}
+			]`)
+		case "hello":
+			fmt.Fprintf(w, `[]`)
 		default:
 			t.Fatalf("Unexpected marker: [%s]", marker)
 		}
 	})
 
 	client := serviceClient()
-	List(client, "testContainer", ListOpts{Full: true}).EachPage(func(page pagination.Page) (bool, error) {
+	count := 0
+	List(client, "testContainer", &ListOpts{Full: true}).EachPage(func(page pagination.Page) (bool, error) {
+		count++
 		actual, err := ExtractInfo(page)
 		if err != nil {
 			t.Errorf("Failed to extract object info: %v", err)
@@ -81,12 +101,23 @@
 				Name:         "goodbye",
 				ContentType:  "application/octet-stream",
 			},
+			Object{
+				Hash:         "451e372e48e0f6b1114fa0724aa79fa1",
+				LastModified: "2009-11-10 23:00:00 +0000 UTC",
+				Bytes:        14,
+				Name:         "hello",
+				ContentType:  "application/octet-stream",
+			},
 		}
 
 		testhelper.CheckDeepEquals(t, expected, actual)
 
 		return true, nil
 	})
+
+	if count != 1 {
+		t.Errorf("Expected 1 page, got %d", count)
+	}
 }
 
 func TestListObjectNames(t *testing.T) {
@@ -103,7 +134,7 @@
 		marker := r.Form.Get("marker")
 		switch marker {
 		case "":
-			fmt.Fprintf(w, "goodbye\n")
+			fmt.Fprintf(w, "hello\ngoodbye\n")
 		case "goodbye":
 			fmt.Fprintf(w, "")
 		default:
@@ -112,19 +143,25 @@
 	})
 
 	client := serviceClient()
-	List(client, "testContainer", ListOpts{}).EachPage(func(page pagination.Page) (bool, error) {
+	count := 0
+	List(client, "testContainer", nil).EachPage(func(page pagination.Page) (bool, error) {
+		count++
 		actual, err := ExtractNames(page)
 		if err != nil {
 			t.Errorf("Failed to extract object names: %v", err)
 			return false, err
 		}
 
-		expected := []string{"goodbye"}
+		expected := []string{"hello", "goodbye"}
 
 		testhelper.CheckDeepEquals(t, expected, actual)
 
 		return true, nil
 	})
+
+	if count != 1 {
+		t.Errorf("Expected 1 page, got %d", count)
+	}
 }
 
 func TestCreateObject(t *testing.T) {
@@ -140,7 +177,7 @@
 
 	client := serviceClient()
 	content := bytes.NewBufferString("Did gyre and gimble in the wabe")
-	err := Create(client, "testContainer", "testObject", content, CreateOpts{})
+	err := Create(client, "testContainer", "testObject", content, nil)
 	if err != nil {
 		t.Fatalf("Unexpected error creating object: %v", err)
 	}
@@ -159,7 +196,7 @@
 	})
 
 	client := serviceClient()
-	err := Copy(client, "testContainer", "testObject", CopyOpts{Destination: "/newTestContainer/newTestObject"})
+	err := Copy(client, "testContainer", "testObject", &CopyOpts{Destination: "/newTestContainer/newTestObject"})
 	if err != nil {
 		t.Fatalf("Unexpected error copying object: %v", err)
 	}
@@ -177,7 +214,7 @@
 	})
 
 	client := serviceClient()
-	err := Delete(client, "testContainer", "testObject", DeleteOpts{})
+	err := Delete(client, "testContainer", "testObject", nil)
 	if err != nil {
 		t.Fatalf("Unexpected error deleting object: %v", err)
 	}
@@ -196,7 +233,7 @@
 	})
 
 	client := serviceClient()
-	err := Update(client, "testContainer", "testObject", UpdateOpts{Metadata: metadata})
+	err := Update(client, "testContainer", "testObject", &UpdateOpts{Metadata: metadata})
 	if err != nil {
 		t.Fatalf("Unexpected error updating object metadata: %v", err)
 	}
@@ -216,7 +253,7 @@
 
 	client := serviceClient()
 	expected := metadata
-	actual, err := Get(client, "testContainer", "testObject", GetOpts{}).ExtractMetadata()
+	actual, err := Get(client, "testContainer", "testObject", nil).ExtractMetadata()
 	if err != nil {
 		t.Fatalf("Unexpected error getting object metadata: %v", err)
 	}
diff --git a/params.go b/params.go
index da4ad94..f10c2db 100644
--- a/params.go
+++ b/params.go
@@ -51,7 +51,7 @@
 	return v.Interface() == z.Interface()
 }
 
-func BuildQueryString(opts interface{}) (string, error) {
+func BuildQueryString(opts interface{}) (*url.URL, error) {
 	optsValue := reflect.ValueOf(opts)
 	if optsValue.Kind() == reflect.Ptr {
 		optsValue = optsValue.Elem()
@@ -87,7 +87,7 @@
 					// Otherwise, the field is not set.
 					if len(tags) == 2 && tags[1] == "required" {
 						// And the field is required. Return an error.
-						return "", fmt.Errorf("Required query parameter not set.")
+						return nil, fmt.Errorf("Required query parameter not set.")
 					}
 				}
 			}
@@ -98,10 +98,14 @@
 		if s != "" {
 			s = "?" + s
 		}
-		return s, nil
+		u, err := url.Parse(s)
+		if err != nil {
+			return nil, err
+		}
+		return u, nil
 	}
 	// Return an error if the underlying type of 'opts' isn't a struct.
-	return "", fmt.Errorf("Options type is not a struct.")
+	return nil, fmt.Errorf("Options type is not a struct.")
 }
 
 func BuildRequestBody(opts interface{}) (map[string]interface{}, error) {