diff --git a/rpc/types/src/data/access_request_base.rs b/rpc/types/src/data/access_request_base.rs
new file mode 100644
index 0000000..95714c0
--- /dev/null
+++ b/rpc/types/src/data/access_request_base.rs
@@ -0,0 +1,24 @@
+//! TODO
+
+//---------------------------------------------------------------------------------------------------- Import
+use serde::{Deserialize, Serialize};
+
+use crate::Status;
+
+//---------------------------------------------------------------------------------------------------- ResponseBase
+/// TODO
+///
+/// <https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454/src/rpc/core_rpc_server_commands_defs.h#L114-L122>.
+#[derive(
+    Copy, Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize,
+)]
+pub struct AccessRequestBase {
+    /// TODO
+    client: String,
+}
+
+//---------------------------------------------------------------------------------------------------- Tests
+#[cfg(test)]
+mod test {
+    // use super::*;
+}
diff --git a/rpc/types/src/data/access_response_base.rs b/rpc/types/src/data/access_response_base.rs
new file mode 100644
index 0000000..0c40d20
--- /dev/null
+++ b/rpc/types/src/data/access_response_base.rs
@@ -0,0 +1,27 @@
+//! TODO
+
+//---------------------------------------------------------------------------------------------------- Import
+use serde::{Deserialize, Serialize};
+
+use crate::data::ResponseBase;
+
+//---------------------------------------------------------------------------------------------------- ResponseBase
+/// TODO
+///
+/// <https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454/src/rpc/core_rpc_server_commands_defs.h#L124-L136>.
+#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
+pub struct AccessResponseBase {
+    /// TODO
+    #[serde(flatten)]
+    response_base: ResponseBase,
+    /// TODO
+    credits: u64,
+    /// TODO
+    top_hash: String,
+}
+
+//---------------------------------------------------------------------------------------------------- Tests
+#[cfg(test)]
+mod test {
+    // use super::*;
+}
diff --git a/rpc/types/src/data/mod.rs b/rpc/types/src/data/mod.rs
index 5577a7a..55db915 100644
--- a/rpc/types/src/data/mod.rs
+++ b/rpc/types/src/data/mod.rs
@@ -2,8 +2,10 @@
 //!
 //! TODO
 
+mod access_response_base;
 mod binary_string;
 mod response_base;
 
+pub use access_response_base::AccessResponseBase;
 pub use binary_string::BinaryString;
 pub use response_base::ResponseBase;
diff --git a/rpc/types/src/data/response_base.rs b/rpc/types/src/data/response_base.rs
index e23c6e1..31160d6 100644
--- a/rpc/types/src/data/response_base.rs
+++ b/rpc/types/src/data/response_base.rs
@@ -1,10 +1,17 @@
 //! TODO
 
 //---------------------------------------------------------------------------------------------------- Import
+use serde::{Deserialize, Serialize};
+
 use crate::Status;
 
 //---------------------------------------------------------------------------------------------------- ResponseBase
 /// TODO
+///
+/// <https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454/src/rpc/core_rpc_server_commands_defs.h#L101-L112>.
+#[derive(
+    Copy, Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize,
+)]
 pub struct ResponseBase {
     /// TODO
     status: Status,
diff --git a/rpc/types/src/status.rs b/rpc/types/src/status.rs
index 8ff6877..e869ac1 100644
--- a/rpc/types/src/status.rs
+++ b/rpc/types/src/status.rs
@@ -60,10 +60,12 @@ use crate::constants::{
 /// assert_eq!(format!("{:?}", Status::PaymentRequired), "PaymentRequired");
 /// assert_eq!(format!("{:?}", other),                   "Other(\"hello\")");
 /// ```
-#[derive(Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize)]
+#[derive(
+    Copy, Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize,
+)]
 pub enum Status {
     // FIXME:
-    // `#[serde(rename = "")]` onlys takes raw string literals?
+    // `#[serde(rename = "")]` only takes raw string literals?
     // We have to re-type the constants here...
     /// Successful RPC response, everything is OK; [`CORE_RPC_STATUS_OK`].
     #[serde(rename = "OK")]
@@ -82,12 +84,12 @@ pub enum Status {
     #[serde(rename = "PAYMENT REQUIRED")]
     PaymentRequired,
 
-    #[serde(untagged)]
+    #[serde(other)]
     /// Some unknown other string.
     ///
     /// This exists to act as a catch-all if `monerod` adds
     /// a string and a Cuprate node hasn't updated yet.
-    Other(String),
+    Unknown,
 }
 
 impl From<String> for Status {
@@ -97,7 +99,7 @@ impl From<String> for Status {
             CORE_RPC_STATUS_BUSY => Self::Busy,
             CORE_RPC_STATUS_NOT_MINING => Self::NotMining,
             CORE_RPC_STATUS_PAYMENT_REQUIRED => Self::PaymentRequired,
-            _ => Self::Other(s),
+            _ => Self::Unknown,
         }
     }
 }
@@ -109,7 +111,7 @@ impl AsRef<str> for Status {
             Self::Busy => CORE_RPC_STATUS_BUSY,
             Self::NotMining => CORE_RPC_STATUS_NOT_MINING,
             Self::PaymentRequired => CORE_RPC_STATUS_PAYMENT_REQUIRED,
-            Self::Other(s) => s,
+            Self::Unknown => "UNKNOWN",
         }
     }
 }
@@ -135,10 +137,7 @@ impl EpeeValue for Status {
     }
 
     fn should_write(&self) -> bool {
-        match self {
-            Self::Ok | Self::Busy | Self::NotMining | Self::PaymentRequired => true,
-            Self::Other(s) => !s.is_empty(),
-        }
+        true
     }
 
     fn epee_default_value() -> Option<Self> {