diff --git a/collection.go b/collection.go
index c7cfdf5..4d4a501 100644
--- a/collection.go
+++ b/collection.go
@@ -109,7 +109,6 @@ func (s *CollectionService) Create(ctx context.Context, createRequest *Collectio
 
 	path := "api/v1/collections/create_collection"
 
-	// todo: do this for multireddit stuff too
 	form, err := query.Values(createRequest)
 	if err != nil {
 		return nil, nil, err
@@ -191,3 +190,85 @@ func (s *CollectionService) ReorderPosts(ctx context.Context, collectionID strin
 
 	return s.client.Do(ctx, req, nil)
 }
+
+// UpdateTitle updates a collection's title.
+func (s *CollectionService) UpdateTitle(ctx context.Context, id string, title string) (*Response, error) {
+	path := "api/v1/collections/update_collection_title"
+
+	form := url.Values{}
+	form.Set("collection_id", id)
+	form.Set("title", title)
+
+	req, err := s.client.NewRequestWithForm(http.MethodPost, path, form)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(ctx, req, nil)
+}
+
+// UpdateDescription updates a collection's description.
+func (s *CollectionService) UpdateDescription(ctx context.Context, id string, description string) (*Response, error) {
+	path := "api/v1/collections/update_collection_description"
+
+	form := url.Values{}
+	form.Set("collection_id", id)
+	form.Set("description", description)
+
+	req, err := s.client.NewRequestWithForm(http.MethodPost, path, form)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(ctx, req, nil)
+}
+
+// UpdateLayout updates a collection's layout.
+// layout is one of: TIMELINE, GALLERY.
+func (s *CollectionService) UpdateLayout(ctx context.Context, id string, layout string) (*Response, error) {
+	// todo: should we validate layout?
+	path := "api/v1/collections/update_collection_display_layout"
+
+	form := url.Values{}
+	form.Set("collection_id", id)
+	form.Set("display_layout", layout)
+
+	req, err := s.client.NewRequestWithForm(http.MethodPost, path, form)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(ctx, req, nil)
+}
+
+// Follow follows a collection.
+func (s *CollectionService) Follow(ctx context.Context, id string) (*Response, error) {
+	path := "api/v1/collections/follow_collection"
+
+	form := url.Values{}
+	form.Set("collection_id", id)
+	form.Set("follow", "true")
+
+	req, err := s.client.NewRequestWithForm(http.MethodPost, path, form)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(ctx, req, nil)
+}
+
+// Unfollow unfollows a collection.
+func (s *CollectionService) Unfollow(ctx context.Context, id string) (*Response, error) {
+	path := "api/v1/collections/follow_collection"
+
+	form := url.Values{}
+	form.Set("collection_id", id)
+	form.Set("follow", "false")
+
+	req, err := s.client.NewRequestWithForm(http.MethodPost, path, form)
+	if err != nil {
+		return nil, err
+	}
+
+	return s.client.Do(ctx, req, nil)
+}
diff --git a/collection_test.go b/collection_test.go
index bc3f890..821dad8 100644
--- a/collection_test.go
+++ b/collection_test.go
@@ -233,3 +233,103 @@ func TestCollectionService_ReorderPosts(t *testing.T) {
 	_, err := client.Collection.ReorderPosts(ctx, "37f1e52d-7ec9-466b-b4cc-59e86e071ed7", "t3_hs0cyh", "t3_hqrg8s", "t3_hs03f3")
 	assert.NoError(t, err)
 }
+
+func TestCollectionService_UpdateTitle(t *testing.T) {
+	setup()
+	defer teardown()
+
+	mux.HandleFunc("/api/v1/collections/update_collection_title", func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPost, r.Method)
+
+		form := url.Values{}
+		form.Set("collection_id", "37f1e52d-7ec9-466b-b4cc-59e86e071ed7")
+		form.Set("title", "Test Title")
+
+		err := r.ParseForm()
+		assert.NoError(t, err)
+		assert.Equal(t, form, r.Form)
+	})
+
+	_, err := client.Collection.UpdateTitle(ctx, "37f1e52d-7ec9-466b-b4cc-59e86e071ed7", "Test Title")
+	assert.NoError(t, err)
+}
+
+func TestCollectionService_UpdateDescription(t *testing.T) {
+	setup()
+	defer teardown()
+
+	mux.HandleFunc("/api/v1/collections/update_collection_description", func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPost, r.Method)
+
+		form := url.Values{}
+		form.Set("collection_id", "37f1e52d-7ec9-466b-b4cc-59e86e071ed7")
+		form.Set("description", "Test Description")
+
+		err := r.ParseForm()
+		assert.NoError(t, err)
+		assert.Equal(t, form, r.Form)
+	})
+
+	_, err := client.Collection.UpdateDescription(ctx, "37f1e52d-7ec9-466b-b4cc-59e86e071ed7", "Test Description")
+	assert.NoError(t, err)
+}
+
+func TestCollectionService_UpdateLayout(t *testing.T) {
+	setup()
+	defer teardown()
+
+	mux.HandleFunc("/api/v1/collections/update_collection_display_layout", func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPost, r.Method)
+
+		form := url.Values{}
+		form.Set("collection_id", "37f1e52d-7ec9-466b-b4cc-59e86e071ed7")
+		form.Set("display_layout", "TIMELINE")
+
+		err := r.ParseForm()
+		assert.NoError(t, err)
+		assert.Equal(t, form, r.Form)
+	})
+
+	_, err := client.Collection.UpdateLayout(ctx, "37f1e52d-7ec9-466b-b4cc-59e86e071ed7", "TIMELINE")
+	assert.NoError(t, err)
+}
+
+func TestCollectionService_Follow(t *testing.T) {
+	setup()
+	defer teardown()
+
+	mux.HandleFunc("/api/v1/collections/follow_collection", func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPost, r.Method)
+
+		form := url.Values{}
+		form.Set("collection_id", "37f1e52d-7ec9-466b-b4cc-59e86e071ed7")
+		form.Set("follow", "true")
+
+		err := r.ParseForm()
+		assert.NoError(t, err)
+		assert.Equal(t, form, r.Form)
+	})
+
+	_, err := client.Collection.Follow(ctx, "37f1e52d-7ec9-466b-b4cc-59e86e071ed7")
+	assert.NoError(t, err)
+}
+
+func TestCollectionService_Unfollow(t *testing.T) {
+	setup()
+	defer teardown()
+
+	mux.HandleFunc("/api/v1/collections/follow_collection", func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPost, r.Method)
+
+		form := url.Values{}
+		form.Set("collection_id", "37f1e52d-7ec9-466b-b4cc-59e86e071ed7")
+		form.Set("follow", "false")
+
+		err := r.ParseForm()
+		assert.NoError(t, err)
+		assert.Equal(t, form, r.Form)
+	})
+
+	_, err := client.Collection.Unfollow(ctx, "37f1e52d-7ec9-466b-b4cc-59e86e071ed7")
+	assert.NoError(t, err)
+}