diff --git a/src/storage/interface.js b/src/storage/interface.js
new file mode 100644
index 000000000..c0107aedc
--- /dev/null
+++ b/src/storage/interface.js
@@ -0,0 +1,78 @@
+'use strict';
+
+// -------------------------------------------
+//  This file just describes the interface
+//
+//  New backends can start from here
+// -------------------------------------------
+
+exports = module.exports = {
+    getBoxBackupDetails: getBoxBackupDetails,
+    getAppBackupDetails: getAppBackupDetails,
+
+    getAllPaged: getAllPaged,
+
+    getRestoreUrl: getRestoreUrl,
+
+    copyObject: copyObject
+};
+
+var assert = require('assert');
+
+function getBoxBackupDetails(apiConfig, id, callback) {
+    assert.strictEqual(typeof apiConfig, 'object');
+    assert.strictEqual(typeof id, 'string');
+    assert.strictEqual(typeof callback, 'function');
+
+    // Result: { backupScriptArguments: [] }
+    // The resulting array consists of string passed down 1to1 to the backupbox.sh
+
+    callback(new Error('not implemented'));
+}
+
+function getAppBackupDetails(apiConfig, appId, dataId, configId, callback) {
+    assert.strictEqual(typeof apiConfig, 'object');
+    assert.strictEqual(typeof appId, 'string');
+    assert.strictEqual(typeof dataId, 'string');
+    assert.strictEqual(typeof configId, '');
+    assert.strictEqual(typeof callback, 'function');
+
+    // Result: { backupScriptArguments: [] }
+    // The resulting array consists of string passed down 1to1 to the backupapp.sh
+
+    callback(new Error('not implemented'));
+}
+
+function getAllPaged(apiConfig, page, perPage, callback) {
+    assert.strictEqual(typeof apiConfig, 'object');
+    assert.strictEqual(typeof page, 'number');
+    assert.strictEqual(typeof perPage, 'number');
+    assert.strictEqual(typeof callback, 'function');
+
+    // Result: { backupScriptArguments: [ { creationTime: <timestamp> }, restoreKey: <filename>, dependsOn: [] ] }
+    // The resulting array consists of objects representing each backup
+
+    callback(new Error('not implemented'));
+}
+
+function getRestoreUrl(apiConfig, filename, callback) {
+    assert.strictEqual(typeof apiConfig, 'object');
+    assert.strictEqual(typeof filename, 'string');
+    assert.strictEqual(typeof callback, 'function');
+
+    // Result: { url: <restoreUrl> }
+    // The resulting url must work with curl as it is passed into start.sh and restoreapp.sh
+
+    callback(new Error('not implemented'));
+}
+
+function copyObject(apiConfig, from, to, callback) {
+    assert.strictEqual(typeof apiConfig, 'object');
+    assert.strictEqual(typeof from, 'string');
+    assert.strictEqual(typeof to, 'string');
+    assert.strictEqual(typeof callback, 'function');
+
+    // Result: none
+
+    callback(new Error('not implemented'));
+}