diff --git a/services/backup/src/blob/put_client.rs b/services/backup/src/blob/put_client.rs
--- a/services/backup/src/blob/put_client.rs
+++ b/services/backup/src/blob/put_client.rs
@@ -4,7 +4,8 @@
   task::JoinHandle,
 };
 use tokio_stream::wrappers::ReceiverStream;
-use tracing::{instrument, Instrument};
+use tonic::Status;
+use tracing::{error, instrument, Instrument};
 
 use super::proto;
 use crate::constants::MPSC_CHANNEL_BUFFER_CAPACITY;
@@ -92,6 +93,20 @@
       .ok_or_else(|| anyhow::anyhow!("Blob client channel closed"))
   }
 
+  /// Convenience wrapper for
+  /// ```
+  /// BlobClient::put(PutRequest {
+  ///   data: Some(PutRequestData::DataChunk(data))
+  /// })
+  /// ```
+  pub async fn put_data(&mut self, data: Vec<u8>) -> Result<PutResponse> {
+    self
+      .put(PutRequest {
+        data: Some(PutRequestData::DataChunk(data)),
+      })
+      .await
+  }
+
   /// Closes the connection and awaits the blob client task to finish.
   pub async fn terminate(self) -> Result<()> {
     drop(self.req_tx);
@@ -99,3 +114,56 @@
     thread_result
   }
 }
+
+/// Starts a put client instance. Fulfills request with blob hash and holder,
+/// assuming that hash is equal to given holder. This is useful for blobs
+/// with unique holder.
+///
+/// `None` is returned if given `holder` already exists.
+///
+/// ## Example
+/// ```
+/// if let Some(mut client) = start_simple_put_client("my_holder").await? {
+///   let my_data = vec![1,2,3,4];
+///   let _ = client.put_data(my_data).await;
+///
+///   let status = client.terminate().await;
+/// }
+/// ```
+pub async fn start_simple_put_client(
+  holder: &str,
+) -> Result<Option<PutClient>, Status> {
+  // start client
+  let mut put_client = PutClient::start().await.map_err(|err| {
+    error!("Failed to instantiate blob client: {:?}", err);
+    Status::aborted("Internal error")
+  })?;
+
+  // send holder
+  put_client
+    .put(PutRequest {
+      data: Some(PutRequestData::Holder(holder.to_string())),
+    })
+    .await
+    .map_err(|err| {
+      error!("Failed to set blob holder: {:?}", err);
+      Status::aborted("Internal error")
+    })?;
+
+  // send hash
+  let PutResponse { data_exists } = put_client
+    .put(PutRequest {
+      data: Some(PutRequestData::BlobHash(holder.to_string())),
+    })
+    .await
+    .map_err(|err| {
+      error!("Failed to set blob hash: {:?}", err);
+      Status::aborted("Internal error")
+    })?;
+
+  // Blob with given holder already exists, nothing to do
+  if data_exists {
+    return Ok(None);
+  }
+  Ok(Some(put_client))
+}