diff --git a/lib/index.js b/lib/index.js
index 9ba99dc..a8ee8f0 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -108,7 +108,13 @@ function renderFile (root, obj) {
 }
 
 function renderUrl (obj) {
-  return rest(obj.url).then((res) => { return JSON.parse(transformRaw(obj, res.entity)) })
+  const headers = Object.assign({'Content-Type':'application/json'}, obj.headers);
+  return rest({
+    path: obj.url,
+    method: obj.method,
+    entity: JSON.stringify(obj.entity),
+    headers
+  }).then((res) => { return JSON.parse(transformRaw(obj, res.entity)) })
 }
 
 function renderGraphql (obj) {