diff --git a/lib/vimeo.js b/lib/vimeo.js
index dd0073b..07669b1 100644
--- a/lib/vimeo.js
+++ b/lib/vimeo.js
@@ -417,13 +417,14 @@ Vimeo.prototype.generateClientCredentials = function (scope, fn) {
  * @param {Function}  errorCallback     Callback to be executed when the upload returns an error.
  */
 Vimeo.prototype.upload = function (
-  filePath,
+  file,
   params,
   completeCallback,
   progressCallback,
   errorCallback
 ) {
   var _self = this
+  var fileSize
 
   if (typeof params === 'function') {
     errorCallback = progressCallback
@@ -432,10 +433,14 @@ Vimeo.prototype.upload = function (
     params = {}
   }
 
-  try {
-    var fileSize = fs.statSync(filePath).size
-  } catch (e) {
-    return errorCallback('Unable to locate file to upload.')
+  if(typeof file === 'string') {
+    try {
+      fileSize = fs.statSync(file).size
+    } catch (e) {
+      return errorCallback('Unable to locate file to upload.')
+    } else {
+      fileSize = file.size
+    }
   }
 
   // Ignore any specified upload approach and size.
@@ -462,7 +467,7 @@ Vimeo.prototype.upload = function (
     }
 
     _self._performTusUpload(
-      filePath,
+      file,
       fileSize,
       attempt,
       completeCallback,
@@ -487,7 +492,7 @@ Vimeo.prototype.upload = function (
  * @param {Function}  errorCallback     Callback to be executed when the upload returns an error.
  */
 Vimeo.prototype.replace = function (
-  filePath,
+  file,
   videoUri,
   params,
   completeCallback,
@@ -495,6 +500,7 @@ Vimeo.prototype.replace = function (
   errorCallback
 ) {
   var _self = this
+  var fileSize
 
   if (typeof params === 'function') {
     errorCallback = progressCallback
@@ -503,13 +509,19 @@ Vimeo.prototype.replace = function (
     params = {}
   }
 
-  try {
-    var fileSize = fs.statSync(filePath).size
-  } catch (e) {
-    return errorCallback('Unable to locate file to upload.')
-  }
 
-  params.file_name = path.basename(filePath)
+  if(typeof file === 'string') {
+    try {
+      fileSize = fs.statSync(file).size
+    } catch (e) {
+      return errorCallback('Unable to locate file to upload.')
+    }
+    
+    params.file_name = path.basename(file)
+  } else {
+    fileSize = file.size
+    params.file_name = file.name
+  }
 
   // Ignore any specified upload approach and size.
   if (typeof params.upload === 'undefined') {
@@ -537,7 +549,7 @@ Vimeo.prototype.replace = function (
     attempt.uri = videoUri
 
     _self._performTusUpload(
-      filePath,
+      file,
       fileSize,
       attempt,
       completeCallback,
@@ -560,15 +572,21 @@ Vimeo.prototype.replace = function (
  * @param {Function}  errorCallback     Callback to be executed when the upload returns an error.
  */
 Vimeo.prototype._performTusUpload = function (
-  filePath,
+  file,
   fileSize,
   attempt,
   completeCallback,
   progressCallback,
   errorCallback
 ) {
-  var file = fs.createReadStream(filePath)
-  var upload = new tus.Upload(file, {
+
+  var fileUpload = file
+
+  if(typeof file === 'string') {
+    fileUpload = fs.createReadStream(file)
+  }
+  
+  var upload = new tus.Upload(fileUpload, {
     endpoint: 'none',
     uploadSize: fileSize,
     retryDelays: [0, 1000, 3000, 5000],