diff --git a/resolvers/reaction.py b/resolvers/reaction.py
index 4a3fe56a..b10de0bf 100644
--- a/resolvers/reaction.py
+++ b/resolvers/reaction.py
@@ -487,12 +487,16 @@ def apply_reaction_filters(by, q):
     shout_slug = by.get("shout")
     if shout_slug:
         q = q.filter(Shout.slug == shout_slug)
+    
+    shout_id = by.get("shout_id")
+    if shout_id:
+        q = q.filter(Shout.id == shout_id)
 
     shouts = by.get("shouts")
     if shouts:
         q = q.filter(Shout.slug.in_(shouts))
 
-    created_by = by.get("created_by")
+    created_by = by.get("created_by", by.get("author_id"))
     if created_by:
         q = q.filter(Author.id == created_by)
 
diff --git a/schema/input.graphql b/schema/input.graphql
index c1637723..fba7b144 100644
--- a/schema/input.graphql
+++ b/schema/input.graphql
@@ -92,12 +92,14 @@ input LoadShoutsOptions {
 
 input ReactionBy {
   shout: String
+  shout_id: Int
   shouts: [String]
   search: String
   kinds: [ReactionKind]
   reply_to: Int # filter
   topic: String
   created_by: Int
+  author_id: Int
   author: String
   after: Int
   sort: ReactionSort # sort