diff --git a/api/params.json b/api/params.json
index d2ecccdb..a35ee5b0 100644
--- a/api/params.json
+++ b/api/params.json
@@ -60,6 +60,24 @@
     "max": 1024,
     "step": 8
   },
+  "highresScale": {
+    "default": 1,
+    "min": 1,
+    "max": 4,
+    "step": 1
+  },
+  "highresSteps": {
+    "default": 0,
+    "min": 1,
+    "max": 200,
+    "step": 1
+  },
+  "highresStrength": {
+    "default": 0.5,
+    "min": 0,
+    "max": 1,
+    "step": 0.1
+  },
   "inversion": {
     "default": "",
     "keys": []