Send a document as content data using Psr7 stream.

CHANGELOG.md

@@ -5,6 +5,7 @@ Exclamation symbols (:exclamation:) note something of importance e.g. breaking c
 
 ## [Unreleased]
 ### Added
+- Documents can be sent by providing its contents via Psr7 stream (as opposed to passing a file path).
 ### Changed
 ### Deprecated
 ### Removed

src/Request.php

@@ -201,7 +201,7 @@ class Request
 
         //Reformat data array in multipart way if it contains a resource
         foreach ($data as $key => $item) {
-            $has_resource |= is_resource($item);
+            $has_resource |= (is_resource($item) || $item instanceof \GuzzleHttp\Psr7\Stream);
             $multipart[] = ['name' => $key, 'contents' => $item];
         }
         if ($has_resource) {