diff --git a/zenith-openrpc.json b/zenith-openrpc.json
index 292bb12..e84320d 100644
--- a/zenith-openrpc.json
+++ b/zenith-openrpc.json
@@ -831,6 +831,45 @@
       "errors": [
         { "$ref": "#/components/errors/InvalidAccount" }
       ]
+    },
+    {
+      "name": "getincomingvk",
+      "summary": "Get the incoming viewing key for the given account.",
+      "description": "Derives the incoming viewing key for the given account per ZIP-316.",
+      "tags": [
+        { "$ref": "#/components/tags/draft"}
+      ],
+      "params": [
+        { "$ref": "#/components/contentDescriptors/AccountId"}
+      ],
+      "paramStructure": "by-position",
+      "result": {
+        "name": "Full viewing key",
+        "schema": {
+          "$ref": "#/components/schemas/ViewingKey"
+        }
+      },
+      "examples": [
+        {
+          "name": "Get incoming viewing key",
+          "summary": "Get the incoming viewing key",
+          "description": "Get the incoming viewing key for the give account, encoded per ZIP-316",
+          "params": [
+            {
+              "name": "Account index", 
+              "summary": "The index for the account to use",
+              "value": 1
+            }
+          ],
+          "result": {
+            "name": "Incoming Viewing key",
+            "value": "uivk199qcjxrj73n7fapg79a2ltah6f3j83haljcux5t5kvn5unn7rpfmvglttdt9g6na3llkefnd3pn0x9ky6lh8s42trj0vfg5wtv0nrerq0wsq5v4q7lt5j4l9svppspr6h7407ztgsuvkfk977c3tj408nx5phxap8fn3ecdmdrah9spp76md9tel89tuqz6m0xplqp83wj33qf7s3hwfe79t04rq49g24nr3emlpm298wpqla2dvh4rr584kwdtxc9ahse5x0drcjr95tt4k0hxr32l6yturje7dptlgjnr4cm6uk29ysu9l5xwgz40p6alyedzzqltqf5nswy48ekru4ahapw"
+          }
+        }
+      ],
+      "errors": [
+        { "$ref": "#/components/errors/InvalidAccount" }
+      ]
     }
   ],
   "components": {