diff --git a/radicle/src/lib.rs b/radicle/src/lib.rs
index 592dcd18..c2be087c 100644
--- a/radicle/src/lib.rs
+++ b/radicle/src/lib.rs
@@ -24,7 +24,7 @@ pub mod node;
 pub mod profile;
 pub mod rad;
 #[cfg(feature = "schemars")]
-pub(crate) mod schemars_ext;
+pub mod schemars_ext;
 pub mod serde_ext;
 pub mod sql;
 pub mod storage;
diff --git a/radicle/src/node.rs b/radicle/src/node.rs
index 2037d452..62ebc83c 100644
--- a/radicle/src/node.rs
+++ b/radicle/src/node.rs
@@ -96,6 +96,7 @@ pub enum PingState {
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 #[allow(clippy::large_enum_variant)]
 #[serde(rename_all = "camelCase")]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub enum State {
     /// Initial state for outgoing connections.
     Initial,
@@ -106,6 +107,10 @@ pub enum State {
     Connected {
         /// Connected since this time.
         #[serde(with = "crate::serde_ext::localtime::time")]
+        #[cfg_attr(
+            feature = "schemars",
+            schemars(with = "crate::schemars_ext::localtime::LocalDurationInSeconds")
+        )]
         since: LocalTime,
         /// Ping state.
         #[serde(skip)]
@@ -124,9 +129,17 @@ pub enum State {
     Disconnected {
         /// Since when has this peer been disconnected.
         #[serde(with = "crate::serde_ext::localtime::time")]
+        #[cfg_attr(
+            feature = "schemars",
+            schemars(with = "crate::schemars_ext::localtime::LocalDurationInSeconds")
+        )]
         since: LocalTime,
         /// When to retry the connection.
         #[serde(with = "crate::serde_ext::localtime::time")]
+        #[cfg_attr(
+            feature = "schemars",
+            schemars(with = "crate::schemars_ext::localtime::LocalDurationInSeconds")
+        )]
         retry_at: LocalTime,
     },
 }
@@ -185,6 +198,7 @@ impl Penalty {
 #[derive(Debug, PartialEq, Eq, Clone, Serialize, Deserialize)]
 #[serde(tag = "status")]
 #[serde(rename_all = "camelCase")]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub enum SyncStatus {
     /// We're in sync.
     #[serde(rename_all = "camelCase")]
@@ -428,6 +442,7 @@ impl TryFrom<&sqlite::Value> for Alias {
 
 /// Options passed to the "connect" node command.
 #[derive(Debug, Clone, Serialize, Deserialize)]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub struct ConnectOptions {
     /// Establish a persistent connection.
     pub persistent: bool,
@@ -480,6 +495,7 @@ impl From<Event> for CommandResult<Event> {
 
 /// A success response.
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub struct Success {
     /// Whether something was updated.
     #[serde(default, skip_serializing_if = "crate::serde_ext::is_default")]
@@ -589,6 +605,7 @@ impl From<Address> for HostName {
 /// Command name.
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase", tag = "command")]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub enum Command {
     /// Announce repository references for given repository to peers.
     #[serde(rename_all = "camelCase")]
@@ -616,7 +633,13 @@ pub enum Command {
 
     /// Disconnect from a node.
     #[serde(rename_all = "camelCase")]
-    Disconnect { nid: NodeId },
+    Disconnect {
+        #[cfg_attr(
+            feature = "schemars",
+            schemars(with = "crate::schemars_ext::crypto::PublicKey")
+        )]
+        nid: NodeId,
+    },
 
     /// Lookup seeds for the given repository in the routing table.
     #[serde(rename_all = "camelCase")]
@@ -626,12 +649,22 @@ pub enum Command {
     Sessions,
 
     /// Get a specific peer session.
-    Session { nid: NodeId },
+    Session {
+        #[cfg_attr(
+            feature = "schemars",
+            schemars(with = "crate::schemars_ext::crypto::PublicKey")
+        )]
+        nid: NodeId,
+    },
 
     /// Fetch the given repository from the network.
     #[serde(rename_all = "camelCase")]
     Fetch {
         rid: RepoId,
+        #[cfg_attr(
+            feature = "schemars",
+            schemars(with = "crate::schemars_ext::crypto::PublicKey")
+        )]
         nid: NodeId,
         timeout: time::Duration,
     },
@@ -646,11 +679,24 @@ pub enum Command {
 
     /// Follow the given node.
     #[serde(rename_all = "camelCase")]
-    Follow { nid: NodeId, alias: Option<Alias> },
+    Follow {
+        #[cfg_attr(
+            feature = "schemars",
+            schemars(with = "crate::schemars_ext::crypto::PublicKey")
+        )]
+        nid: NodeId,
+        alias: Option<Alias>,
+    },
 
     /// Unfollow the given node.
     #[serde(rename_all = "camelCase")]
-    Unfollow { nid: NodeId },
+    Unfollow {
+        #[cfg_attr(
+            feature = "schemars",
+            schemars(with = "crate::schemars_ext::crypto::PublicKey")
+        )]
+        nid: NodeId,
+    },
 
     /// Get the node's status.
     Status,
@@ -679,6 +725,7 @@ impl Command {
 /// Connection link direction.
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub enum Link {
     /// Outgoing connection.
     Outbound,
@@ -688,7 +735,12 @@ pub enum Link {
 
 /// An established network connection with a peer.
 #[derive(Debug, Clone, Serialize, Deserialize)]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub struct Session {
+    #[cfg_attr(
+        feature = "schemars",
+        schemars(with = "crate::schemars_ext::crypto::PublicKey")
+    )]
     pub nid: NodeId,
     pub link: Link,
     pub addr: Address,
@@ -705,8 +757,14 @@ impl Session {
 /// A seed for some repository, with metadata about its status.
 #[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
+
 pub struct Seed {
     /// The Node ID.
+    #[cfg_attr(
+        feature = "schemars",
+        schemars(with = "crate::schemars_ext::crypto::PublicKey")
+    )]
     pub nid: NodeId,
     /// Known addresses for this seed.
     pub addrs: Vec<KnownAddress>,
@@ -748,7 +806,11 @@ impl Seed {
 /// Represents a set of seeds with associated metadata. Uses an RNG
 /// underneath, so every iteration returns a different ordering.
 #[serde(into = "Vec<Seed>", from = "Vec<Seed>")]
-pub struct Seeds(address::AddressBook<NodeId, Seed>);
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
+pub struct Seeds(
+    #[cfg_attr(feature = "schemars", schemars(with = "Vec<Seed>"))]
+    address::AddressBook<NodeId, Seed>,
+);
 
 impl Seeds {
     /// Create a new seeds list from an RNG.
@@ -819,9 +881,14 @@ impl From<Vec<Seed>> for Seeds {
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 #[serde(tag = "status", rename_all = "camelCase")]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub enum FetchResult {
     Success {
         updated: Vec<RefUpdate>,
+        #[cfg_attr(
+            feature = "schemars",
+            schemars(with = "HashSet<crate::schemars_ext::crypto::PublicKey>")
+        )]
         namespaces: HashSet<NodeId>,
         clone: bool,
     },
@@ -978,6 +1045,7 @@ impl Error {
 
 #[derive(Debug, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase", tag = "status")]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub enum ConnectResult {
     Connected,
     Disconnected { reason: String },
diff --git a/radicle/src/node/address.rs b/radicle/src/node/address.rs
index dac9ac43..52a087ec 100644
--- a/radicle/src/node/address.rs
+++ b/radicle/src/node/address.rs
@@ -143,6 +143,7 @@ pub struct Node {
 /// A known address.
 #[derive(Debug, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
 #[serde(rename_all = "camelCase")]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub struct KnownAddress {
     /// Network address.
     pub addr: Address,
@@ -150,9 +151,17 @@ pub struct KnownAddress {
     pub source: Source,
     /// Last time this address was used to successfully connect to a peer.
     #[serde(with = "crate::serde_ext::localtime::option::time")]
+    #[cfg_attr(
+        feature = "schemars",
+        schemars(with = "Option<crate::schemars_ext::localtime::LocalDurationInSeconds>")
+    )]
     pub last_success: Option<LocalTime>,
     /// Last time this address was tried.
     #[serde(with = "crate::serde_ext::localtime::option::time")]
+    #[cfg_attr(
+        feature = "schemars",
+        schemars(with = "Option<crate::schemars_ext::localtime::LocalDurationInSeconds>")
+    )]
     pub last_attempt: Option<LocalTime>,
     /// Whether this address has been banned.
     pub banned: bool,
@@ -174,6 +183,7 @@ impl KnownAddress {
 /// Address source. Specifies where an address originated from.
 #[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
 #[serde(rename_all = "camelCase")]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub enum Source {
     /// An address that was shared by another peer.
     Peer,
diff --git a/radicle/src/node/seed.rs b/radicle/src/node/seed.rs
index 3408e196..5e2ae4bf 100644
--- a/radicle/src/node/seed.rs
+++ b/radicle/src/node/seed.rs
@@ -11,11 +11,17 @@ use crate::storage::{refs::RefsAt, ReadRepository, RemoteId};
 /// Holds an oid and timestamp.
 #[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
 #[serde(rename_all = "camelCase")]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub struct SyncedAt {
     /// Head of `rad/sigrefs`.
+    #[cfg_attr(feature = "schemars", schemars(with = "crate::schemars_ext::git::Oid"))]
     pub oid: git_ext::Oid,
     /// When these refs were synced.
     #[serde(with = "crate::serde_ext::localtime::time")]
+    #[cfg_attr(
+        feature = "schemars",
+        schemars(with = "crate::schemars_ext::localtime::LocalDurationInSeconds")
+    )]
     pub timestamp: LocalTime,
 }
 
diff --git a/radicle/src/schemars_ext.rs b/radicle/src/schemars_ext.rs
index 34cc5edb..9157c729 100644
--- a/radicle/src/schemars_ext.rs
+++ b/radicle/src/schemars_ext.rs
@@ -4,6 +4,29 @@
 
 use schemars::JsonSchema;
 
+pub mod crypto {
+    use super::*;
+    /// See [`crate::node::NodeId`]
+    /// See [`crate::storage::RemoteId`]
+    /// See [`::crypto::PublicKey`]
+    ///
+    /// An Ed25519 public key in multibase encoding.
+    ///
+    /// `MULTIBASE(base58-btc, MULTICODEC(public-key-type, raw-public-key-bytes))`
+    #[derive(JsonSchema)]
+    #[schemars(
+    title = "NodeId",
+    description = "An Ed25519 public key in multibase encoding.",
+    extend("examples" = [
+        "z6MkrLMMsiPWUcNPHcRajuMi9mDfYckSoJyPwwnknocNYPm7",
+        "z6MkvUJtYD9dHDJfpevWRT98mzDDpdAtmUjwyDSkyqksUr7C",
+        "z6MknSLrJoTcukLrE435hVNQT4JUhbvWLX4kUzqkEStBU8Vi",
+        "z6MkkfM3tPXNPrPevKr3uSiQtHPuwnNhu2yUVjgd2jXVsVz5",
+    ]),
+)]
+    pub struct PublicKey(String);
+}
+
 pub(crate) mod log {
     use super::*;
 
@@ -56,4 +79,34 @@ pub(crate) mod localtime {
         description = "A time duration measured locally in milliseconds."
     )]
     pub(crate) struct LocalDuration(u64);
+
+    /// See [`crate::serde_ext::localtime::time`]
+    #[derive(JsonSchema)]
+    #[schemars(
+        remote = "localtime::LocalDuration",
+        description = "A time duration measured locally in seconds."
+    )]
+    pub(crate) struct LocalDurationInSeconds(u64);
+}
+
+pub(crate) mod git {
+    use super::*;
+
+    /// See [`crate::git::Oid`]
+    /// See [`::git_ext::Oid`]
+    /// See [`::git2::Oid`]
+    ///
+    /// A Git Object Identifier in hexadecimal encoding.
+    #[derive(JsonSchema)]
+    #[schemars(
+        remote = "git2::Oid",
+        description = "A Git Object Identifier (SHA-1 or SHA-256 hash) in hexadecimal encoding."
+    )]
+    pub(crate) struct Oid(
+        #[schemars(regex(pattern = r"^([0-9a-fA-F]{64}|[0-9a-fA-F]{40})$"))] String,
+    );
+
+    /// See [`crate::git::RefString`]
+    #[derive(JsonSchema)]
+    pub(crate) struct RefString(String);
 }
diff --git a/radicle/src/storage.rs b/radicle/src/storage.rs
index 4b454b1e..b4113639 100644
--- a/radicle/src/storage.rs
+++ b/radicle/src/storage.rs
@@ -191,11 +191,43 @@ pub type RemoteId = PublicKey;
 /// An update to a reference.
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub enum RefUpdate {
-    Updated { name: RefString, old: Oid, new: Oid },
-    Created { name: RefString, oid: Oid },
-    Deleted { name: RefString, oid: Oid },
-    Skipped { name: RefString, oid: Oid },
+    Updated {
+        #[cfg_attr(
+            feature = "schemars",
+            schemars(with = "crate::schemars_ext::git::RefString")
+        )]
+        name: RefString,
+        #[cfg_attr(feature = "schemars", schemars(with = "crate::schemars_ext::git::Oid"))]
+        old: Oid,
+        #[cfg_attr(feature = "schemars", schemars(with = "crate::schemars_ext::git::Oid"))]
+        new: Oid,
+    },
+    Created {
+        #[cfg_attr(
+            feature = "schemars",
+            schemars(with = "crate::schemars_ext::git::RefString")
+        )]
+        name: RefString,
+        #[cfg_attr(feature = "schemars", schemars(with = "crate::schemars_ext::git::Oid"))]
+        oid: Oid,
+    },
+    Deleted {
+        #[cfg_attr(
+            feature = "schemars",
+            schemars(with = "crate::schemars_ext::git::RefString")
+        )]
+        name: RefString,
+        #[cfg_attr(feature = "schemars", schemars(with = "crate::schemars_ext::git::Oid"))]
+        oid: Oid,
+    },
+    Skipped {
+        #[cfg_attr(feature = "schemars", schemars(with = "String"))]
+        name: RefString,
+        #[cfg_attr(feature = "schemars", schemars(with = "crate::schemars_ext::git::Oid"))]
+        oid: Oid,
+    },
 }
 
 impl RefUpdate {
diff --git a/radicle/src/storage/refs.rs b/radicle/src/storage/refs.rs
index 3d24e1f6..a14c93d5 100644
--- a/radicle/src/storage/refs.rs
+++ b/radicle/src/storage/refs.rs
@@ -377,10 +377,16 @@ impl<V> Deref for SignedRefs<V> {
 /// references to other nodes.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
+#[cfg_attr(feature = "schemars", derive(schemars::JsonSchema))]
 pub struct RefsAt {
     /// The remote namespace of the `rad/sigrefs`.
+    #[cfg_attr(
+        feature = "schemars",
+        schemars(with = "crate::schemars_ext::crypto::PublicKey")
+    )]
     pub remote: RemoteId,
     /// The commit SHA that `rad/sigrefs` points to.
+    #[cfg_attr(feature = "schemars", schemars(with = "crate::schemars_ext::git::Oid"))]
     pub at: Oid,
 }