diff --git a/data/avro-schema/src/main/resources/avro/net/corda/data/p2p/linkmanager/LinkManagerResponse.avsc b/data/avro-schema/src/main/resources/avro/net/corda/data/p2p/linkmanager/LinkManagerResponse.avsc
new file mode 100644
index 0000000000..de587c6034
--- /dev/null
+++ b/data/avro-schema/src/main/resources/avro/net/corda/data/p2p/linkmanager/LinkManagerResponse.avsc
@@ -0,0 +1,16 @@
+{
+  "type": "record",
+  "name": "LinkManagerResponse",
+  "namespace": "net.corda.data.p2p.linkmanager",
+  "doc": "A response from the p2p link manager when being sent a LinkInMessage via the HTTP endpoint",
+  "fields": [
+    {
+      "name": "payload",
+      "type": [
+        "null",
+        "net.corda.data.p2p.crypto.AuthenticatedEncryptedDataMessage",
+        "net.corda.data.p2p.crypto.AuthenticatedDataMessage"
+      ]
+    }
+  ]
+}
diff --git a/gradle.properties b/gradle.properties
index 3661308479..74c5dfbae8 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -5,7 +5,7 @@ cordaProductVersion = 5.2.0
 # NOTE: update this each time this module contains a breaking change
 ## NOTE: currently this is a top level revision, so all API versions will line up, but this could be moved to
 ##   a per module property in which case module versions can change independently.
-cordaApiRevision = 23
+cordaApiRevision = 24
 
 # Main
 kotlin.stdlib.default.dependency = false