diff --git a/RestAPI.cs b/RestAPI.cs
index c9e94d3..285abad 100644
--- a/RestAPI.cs
+++ b/RestAPI.cs
@@ -241,7 +241,12 @@ public virtual async Task<string> SendHttpClientRequest<T>(string endpoint, Requ
                             httpWebRequest.ContentType = "application/x-www-form-urlencoded";
 
                             Stream dataStream = await httpWebRequest.GetRequestStreamAsync().ConfigureAwait(false);
-                            FileStream fileStream = new FileStream(parms["path"], FileMode.Open, FileAccess.Read);
+
+                            // If the given path is a physical path, open file. If not, read from URL.
+                            var fileStream = parms["source"] == "local" ?
+                                new FileStream(parms["path"], FileMode.Open, FileAccess.Read) :
+                                (new WebClient()).OpenRead(parms["path"]);
+
                             byte[] buffer = new byte[4096];
                             int bytesRead = 0;