diff --git src/bp-core/bp-core-rest-api.php src/bp-core/bp-core-rest-api.php
index 40771ef34..a0a719b56 100644
--- src/bp-core/bp-core-rest-api.php
+++ src/bp-core/bp-core-rest-api.php
@@ -135,19 +135,23 @@ function bp_rest_version() {
 }
 
 /**
- * Get user URL.
+ * Get a REST API object URL from a component.
  *
- * @since 5.0.0
+ * @since 9.0.0
  *
- * @param  int $user_id User ID.
+ * @param integer $object_id   Object ID.
+ * @param string  $object_path Path of the component endpoint.
  * @return string
  */
-function bp_rest_get_user_url( $user_id ) {
-	return sprintf(
-		'/%s/%s/members/%d',
-		bp_rest_namespace(),
-		bp_rest_version(),
-		$user_id
+function bp_rest_get_object_url( $object_id, $object_path ) {
+	return rest_url(
+		sprintf(
+			'/%1$s/%2$s/%3$s/%4$d',
+			bp_rest_namespace(),
+			bp_rest_version(),
+			$object_path,
+			$object_id
+		)
 	);
 }
 
diff --git src/bp-core/deprecated/9.0.php src/bp-core/deprecated/9.0.php
new file mode 100644
index 000000000..c68cd1191
--- /dev/null
+++ src/bp-core/deprecated/9.0.php
@@ -0,0 +1,24 @@
+<?php
+/**
+ * Deprecated functions.
+ *
+ * @package BuddyPress
+ * @deprecated 9.0.0
+ */
+
+// Exit if accessed directly.
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Get user URL.
+ *
+ * @since 5.0.0
+ * @deprecated 9.0.0
+ *
+ * @param  int $user_id User ID.
+ * @return string
+ */
+function bp_rest_get_user_url( $user_id ) {
+	_deprecated_function( __FUNCTION__, '9.0.0', 'bp_rest_get_object_url( $user_id, \'members\' )' );
+	return bp_rest_get_object_url( $user_id, 'members' );
+}
diff --git src/class-buddypress.php src/class-buddypress.php
index 6d8d0f74a..45eb02d04 100644
--- src/class-buddypress.php
+++ src/class-buddypress.php
@@ -512,6 +512,7 @@ class BuddyPress {
 			require( $this->plugin_dir . 'bp-core/deprecated/6.0.php' );
 			require( $this->plugin_dir . 'bp-core/deprecated/7.0.php' );
 			require( $this->plugin_dir . 'bp-core/deprecated/8.0.php' );
+			require( $this->plugin_dir . 'bp-core/deprecated/9.0.php' );
 		}
 
 		// Load wp-cli module if PHP 5.6+.