diff --git a/packages/turso-sync/src/errors.rs b/packages/turso-sync/src/errors.rs
index dc9191e46..21837c20f 100644
--- a/packages/turso-sync/src/errors.rs
+++ b/packages/turso-sync/src/errors.rs
@@ -1,9 +1,37 @@
+use crate::sync_server::DbSyncStatus;
+
 #[derive(Debug, thiserror::Error)]
 pub enum Error {
     #[error("database error: {0}")]
     TursoError(turso::Error),
     #[error("database tape error: {0}")]
     DatabaseTapeError(String),
+    #[error("invalid URI: {0}")]
+    Uri(http::uri::InvalidUri),
+    #[error("invalid HTTP request: {0}")]
+    Http(http::Error),
+    #[error("HTTP request error: {0}")]
+    HyperRequest(hyper_util::client::legacy::Error),
+    #[error("HTTP response error: {0}")]
+    HyperResponse(hyper::Error),
+    #[error("deserialization error: {0}")]
+    JsonDecode(serde_json::Error),
+    #[error("unexpected sync server error: code={0}, info={1}")]
+    SyncServerError(http::StatusCode, String),
+    #[error("unexpected sync server status: {0:?}")]
+    SyncServerUnexpectedStatus(DbSyncStatus),
+    #[error("unexpected filesystem error: {0}")]
+    FilesystemError(std::io::Error),
+    #[error("local metadata error: {0}")]
+    MetadataError(String),
+    #[error("database sync error: {0}")]
+    DatabaseSyncError(String),
+    #[error("sync server pull error: checkpoint required: `{0:?}`")]
+    PullNeedCheckpoint(DbSyncStatus),
+    #[error("sync server push error: wal conflict detected")]
+    PushConflict,
+    #[error("sync server push error: inconsitent state on remote: `{0:?}`")]
+    PushInconsistent(DbSyncStatus),
 }
 
 impl From<turso::Error> for Error {
@@ -17,3 +45,15 @@ impl From<turso_core::LimboError> for Error {
         Self::TursoError(value.into())
     }
 }
+
+impl From<std::io::Error> for Error {
+    fn from(value: std::io::Error) -> Self {
+        Self::FilesystemError(value)
+    }
+}
+
+impl From<serde_json::Error> for Error {
+    fn from(value: serde_json::Error) -> Self {
+        Self::JsonDecode(value)
+    }
+}