diff --git a/veilid-core/src/veilid_api/tests/mod.rs b/veilid-core/src/veilid_api/tests/mod.rs
index ea2ec200..a5fe97b7 100644
--- a/veilid-core/src/veilid_api/tests/mod.rs
+++ b/veilid-core/src/veilid_api/tests/mod.rs
@@ -2,3 +2,5 @@ mod fixtures;
 pub mod test_serialize_json;
 pub mod test_serialize_rkyv;
 mod test_types;
+mod test_types_dht;
+mod test_types_dht_schema;
diff --git a/veilid-core/src/veilid_api/tests/test_serialize_json.rs b/veilid-core/src/veilid_api/tests/test_serialize_json.rs
index a3521c83..78df9607 100644
--- a/veilid-core/src/veilid_api/tests/test_serialize_json.rs
+++ b/veilid-core/src/veilid_api/tests/test_serialize_json.rs
@@ -1,6 +1,9 @@
 use super::test_types::*;
+use super::test_types_dht::*;
+use super::test_types_dht_schema::*;
 
 pub async fn test_all() {
+    // test_types
     test_alignedu64().await;
     test_veilidappmessage().await;
     test_veilidappcall().await;
@@ -30,4 +33,13 @@ pub async fn test_all() {
     test_veilidvaluechange().await;
     test_veilidupdate().await;
     test_veilidstate().await;
+    // test_types_dht
+    test_dhtrecorddescriptor().await;
+    test_valuedata().await;
+    test_valuesubkeyrangeset().await;
+    // test_types_dht_schema
+    test_dhtschemadflt().await;
+    test_dhtschema().await;
+    test_dhtschemasmplmember().await;
+    test_dhtschemasmpl().await;
 }
diff --git a/veilid-core/src/veilid_api/tests/test_types.rs b/veilid-core/src/veilid_api/tests/test_types.rs
index 739dbd0d..b56cc024 100644
--- a/veilid-core/src/veilid_api/tests/test_types.rs
+++ b/veilid-core/src/veilid_api/tests/test_types.rs
@@ -1,7 +1,7 @@
 use super::fixtures::*;
 use crate::*;
 
-// veilid_api/types/aligned_u64.rs
+// aligned_u64
 
 pub async fn test_alignedu64() {
     let orig = AlignedU64::new(0x0123456789abcdef);
@@ -10,7 +10,7 @@ pub async fn test_alignedu64() {
     assert_eq!(orig, copy);
 }
 
-// veilid_api/types/app_messsage_call.rs
+// app_messsage_call
 
 pub async fn test_veilidappmessage() {
     let orig = VeilidAppMessage {
@@ -33,7 +33,7 @@ pub async fn test_veilidappcall() {
     assert_eq!(orig, copy);
 }
 
-// veilid_api/types/fourcc.rs
+// fourcc
 
 pub async fn test_fourcc() {
     let orig = FourCC::from_str("D34D").unwrap();
@@ -42,7 +42,7 @@ pub async fn test_fourcc() {
     assert_eq!(orig, copy);
 }
 
-// veilid_api/types/safety.rs
+// safety
 
 pub async fn test_sequencing() {
     let orig = Sequencing::PreferOrdered;
@@ -77,7 +77,7 @@ pub async fn test_safetyspec() {
     assert_eq!(orig, copy);
 }
 
-// veilid_api/types/stats.rs
+// stats
 
 pub async fn test_latencystats() {
     let orig = fix_latencystats();
@@ -114,7 +114,7 @@ pub async fn test_peerstats() {
     assert_eq!(orig, copy);
 }
 
-//  veilid_api/types/tunnel.rs
+//  tunnel
 
 pub async fn test_tunnelmode() {
     let orig = TunnelMode::Raw;
@@ -171,7 +171,7 @@ pub async fn test_partialtunnel() {
     assert_eq!(orig, copy);
 }
 
-// veilid_api/types/veilid_log.rs
+// veilid_log
 
 pub async fn test_veilidloglevel() {
     let orig = VeilidLogLevel::Info;
@@ -191,7 +191,7 @@ pub async fn test_veilidlog() {
     assert_eq!(orig, copy);
 }
 
-// veilid_api/types/veilid_state.rs
+// veilid_state
 
 pub async fn test_attachmentstate() {
     let orig = AttachmentState::FullyAttached;
diff --git a/veilid-core/src/veilid_api/tests/test_types_dht.rs b/veilid-core/src/veilid_api/tests/test_types_dht.rs
new file mode 100644
index 00000000..f098e06b
--- /dev/null
+++ b/veilid-core/src/veilid_api/tests/test_types_dht.rs
@@ -0,0 +1,41 @@
+use super::fixtures::*;
+use crate::*;
+use range_set_blaze::*;
+
+// dht_record_descriptors
+
+pub async fn test_dhtrecorddescriptor() {
+    let orig = DHTRecordDescriptor {
+        key: fix_typedkey(),
+        owner: fix_cryptokey(),
+        owner_secret: Some(fix_cryptokey()),
+        schema: DHTSchema::DFLT(DHTSchemaDFLT { o_cnt: 4321 }),
+    };
+    let copy = deserialize_json(&serialize_json(&orig)).unwrap();
+
+    assert_eq!(orig, copy);
+}
+
+// value_data
+
+pub async fn test_valuedata() {
+    let orig = ValueData {
+        seq: 42,
+        data: b"Brent Spiner".to_vec(),
+        writer: fix_cryptokey(),
+    };
+    let copy = deserialize_json(&serialize_json(&orig)).unwrap();
+
+    assert_eq!(orig, copy);
+}
+
+// value_subkey_range_set
+
+pub async fn test_valuesubkeyrangeset() {
+    let orig = ValueSubkeyRangeSet {
+        data: RangeSetBlaze::from_iter([20..=30]),
+    };
+    let copy = deserialize_json(&serialize_json(&orig)).unwrap();
+
+    assert_eq!(orig, copy);
+}
diff --git a/veilid-core/src/veilid_api/tests/test_types_dht_schema.rs b/veilid-core/src/veilid_api/tests/test_types_dht_schema.rs
new file mode 100644
index 00000000..a7a8379c
--- /dev/null
+++ b/veilid-core/src/veilid_api/tests/test_types_dht_schema.rs
@@ -0,0 +1,64 @@
+use super::fixtures::*;
+use crate::*;
+use range_set_blaze::*;
+
+// dlft
+
+pub async fn test_dhtschemadflt() {
+    let orig = DHTSchemaDFLT { o_cnt: 9 };
+    let copy = deserialize_json(&serialize_json(&orig)).unwrap();
+
+    assert_eq!(orig, copy);
+}
+
+// mod
+
+pub async fn test_dhtschema() {
+    let orig = DHTSchema::SMPL(DHTSchemaSMPL {
+        o_cnt: 91,
+        members: vec![
+            DHTSchemaSMPLMember {
+                m_key: fix_cryptokey(),
+                m_cnt: 5,
+            },
+            DHTSchemaSMPLMember {
+                m_key: fix_cryptokey(),
+                m_cnt: 6,
+            },
+        ],
+    });
+    let copy = deserialize_json(&serialize_json(&orig)).unwrap();
+
+    assert_eq!(orig, copy);
+}
+
+// smpl
+
+pub async fn test_dhtschemasmplmember() {
+    let orig = DHTSchemaSMPLMember {
+        m_key: fix_cryptokey(),
+        m_cnt: 7,
+    };
+    let copy = deserialize_json(&serialize_json(&orig)).unwrap();
+
+    assert_eq!(orig, copy);
+}
+
+pub async fn test_dhtschemasmpl() {
+    let orig = DHTSchemaSMPL {
+        o_cnt: 91,
+        members: vec![
+            DHTSchemaSMPLMember {
+                m_key: fix_cryptokey(),
+                m_cnt: 8,
+            },
+            DHTSchemaSMPLMember {
+                m_key: fix_cryptokey(),
+                m_cnt: 9,
+            },
+        ],
+    };
+    let copy = deserialize_json(&serialize_json(&orig)).unwrap();
+
+    assert_eq!(orig, copy);
+}
diff --git a/veilid-core/src/veilid_api/types/dht/dht_record_descriptor.rs b/veilid-core/src/veilid_api/types/dht/dht_record_descriptor.rs
index 1c4d114e..1b04050b 100644
--- a/veilid-core/src/veilid_api/types/dht/dht_record_descriptor.rs
+++ b/veilid-core/src/veilid_api/types/dht/dht_record_descriptor.rs
@@ -17,14 +17,14 @@ use super::*;
 #[archive_attr(repr(C), derive(CheckBytes))]
 pub struct DHTRecordDescriptor {
     /// DHT Key = Hash(ownerKeyKind) of: [ ownerKeyValue, schema ]
-    key: TypedKey,
+    pub key: TypedKey,
     /// The public key of the owner
-    owner: PublicKey,
+    pub owner: PublicKey,
     /// If this key is being created: Some(the secret key of the owner)
     /// If this key is just being opened: None
-    owner_secret: Option<SecretKey>,
+    pub owner_secret: Option<SecretKey>,
     /// The schema in use associated with the key
-    schema: DHTSchema,
+    pub schema: DHTSchema,
 }
 
 impl DHTRecordDescriptor {
diff --git a/veilid-core/src/veilid_api/types/dht/value_subkey_range_set.rs b/veilid-core/src/veilid_api/types/dht/value_subkey_range_set.rs
index 3dd40f67..376530b5 100644
--- a/veilid-core/src/veilid_api/types/dht/value_subkey_range_set.rs
+++ b/veilid-core/src/veilid_api/types/dht/value_subkey_range_set.rs
@@ -20,7 +20,7 @@ use range_set_blaze::*;
 pub struct ValueSubkeyRangeSet {
     #[with(RkyvRangeSetBlaze)]
     #[serde(with = "serialize_range_set_blaze")]
-    data: RangeSetBlaze<ValueSubkey>,
+    pub data: RangeSetBlaze<ValueSubkey>,
 }
 
 impl ValueSubkeyRangeSet {