diff --git a/aleph-client/src/connections.rs b/aleph-client/src/connections.rs
index aab0b24a84..b21c1b54f8 100644
--- a/aleph-client/src/connections.rs
+++ b/aleph-client/src/connections.rs
@@ -34,11 +34,13 @@ pub struct RootConnection {
     connection: SignedConnection,
 }
 
-pub(crate) trait AsConnection {
+/// Castability to a plain connection.
+pub trait AsConnection {
     fn as_connection(&self) -> &Connection;
 }
 
-pub(crate) trait AsSigned {
+/// Castability to a signed connection.
+pub trait AsSigned {
     fn as_signed(&self) -> &SignedConnection;
 }
 
@@ -337,7 +339,8 @@ impl Connection {
         }
     }
 
-    pub(crate) fn as_client(&self) -> &SubxtClient {
+    /// Casts self to the underlying RPC client.
+    pub fn as_client(&self) -> &SubxtClient {
         &self.client
     }
 }
diff --git a/aleph-client/src/lib.rs b/aleph-client/src/lib.rs
index 313f30d6df..74d232850f 100644
--- a/aleph-client/src/lib.rs
+++ b/aleph-client/src/lib.rs
@@ -52,7 +52,8 @@ pub type Client = OnlineClient<AlephConfig>;
 /// An alias for a hash type.
 pub type BlockHash = H256;
 
-pub(crate) type SubxtClient = OnlineClient<AlephConfig>;
+/// An alias for an RPC client type.
+pub type SubxtClient = OnlineClient<AlephConfig>;
 
 pub use connections::{
     Connection, ConnectionApi, RootConnection, SignedConnection, SignedConnectionApi, SudoCall,