diff --git a/Amazon-S3-API.md b/Amazon-S3-API.md
index 0ba8be0..550e446 100644
--- a/Amazon-S3-API.md
+++ b/Amazon-S3-API.md
@@ -19,6 +19,7 @@ Currently, the following APIs are supported.
 * ListObjectsV2
 * ListObjectsV1
 * DeleteMultipleObjects
+* PostPolicy
 
 // Bucket operations
 * PutBucket