diff --git a/mediarepo-api/Cargo.toml b/mediarepo-api/Cargo.toml
index 42c9029..0ab3d9d 100644
--- a/mediarepo-api/Cargo.toml
+++ b/mediarepo-api/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mediarepo-api"
-version = "0.4.2"
+version = "0.5.0"
 edition = "2018"
 license = "gpl-3"
 
diff --git a/mediarepo-api/src/client_api/file.rs b/mediarepo-api/src/client_api/file.rs
index 51904be..0e361a6 100644
--- a/mediarepo-api/src/client_api/file.rs
+++ b/mediarepo-api/src/client_api/file.rs
@@ -1,8 +1,9 @@
 use crate::client_api::error::ApiResult;
 use crate::client_api::IPCApi;
 use crate::types::files::{
-    FileMetadataResponse, FindFilesByTagsRequest, GetFileThumbnailsRequest, ReadFileRequest,
-    SortKey, TagQuery, ThumbnailMetadataResponse, UpdateFileNameRequest,
+    FileMetadataResponse, FindFilesByTagsRequest, GetFileThumbnailOfSizeRequest,
+    GetFileThumbnailsRequest, ReadFileRequest, SortKey, TagQuery, ThumbnailFullResponse,
+    ThumbnailMetadataResponse, UpdateFileNameRequest,
 };
 use crate::types::identifier::FileIdentifier;
 use async_trait::async_trait;
@@ -95,7 +96,30 @@ where
     #[tracing::instrument(level = "debug", skip(self))]
     pub async fn read_thumbnail(&self, hash: String) -> ApiResult<Vec<u8>> {
         let payload: BytePayload = self.emit_and_get("read_thumbnail", hash).await?;
-        Ok(payload.to_payload_bytes()?)
+        Ok(payload.into_inner())
+    }
+
+    /// Returns a thumbnail of size that is within the specified range
+    #[tracing::instrument(level = "debug", skip(self))]
+    pub async fn get_thumbnail_of_size(
+        &self,
+        file_id: FileIdentifier,
+        min_size: (u32, u32),
+        max_size: (u32, u32),
+    ) -> ApiResult<(ThumbnailMetadataResponse, Vec<u8>)> {
+        let payload: ThumbnailFullResponse = self
+            .emit_and_get(
+                "get_thumbnail_of_size",
+                GetFileThumbnailOfSizeRequest {
+                    id: file_id,
+                    min_size,
+                    max_size,
+                },
+            )
+            .await?;
+        let (metadata, bytes) = payload.into_inner();
+
+        Ok((metadata, bytes.into_inner()))
     }
 
     /// Updates a files name
diff --git a/mediarepo-api/src/client_api/mod.rs b/mediarepo-api/src/client_api/mod.rs
index 219acca..36e4f66 100644
--- a/mediarepo-api/src/client_api/mod.rs
+++ b/mediarepo-api/src/client_api/mod.rs
@@ -35,10 +35,7 @@ pub trait IPCApi<S: AsyncProtocolStream> {
         Ok(meta)
     }
 
-    async fn emit_and_get<
-        T: EventSendPayload + Debug + Send,
-        R: EventReceivePayload + Debug + Send,
-    >(
+    async fn emit_and_get<T: EventSendPayload + Debug + Send, R: EventReceivePayload + Send>(
         &self,
         event_name: &str,
         data: T,
diff --git a/mediarepo-api/src/types/files.rs b/mediarepo-api/src/types/files.rs
index c812672..2bcf8f8 100644
--- a/mediarepo-api/src/types/files.rs
+++ b/mediarepo-api/src/types/files.rs
@@ -1,5 +1,6 @@
 use crate::types::identifier::FileIdentifier;
 use chrono::NaiveDateTime;
+use rmp_ipc::payload::{BytePayload, TandemPayload};
 use serde::{Deserialize, Serialize};
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
@@ -101,8 +102,4 @@ pub struct UpdateFileNameRequest {
     pub name: String,
 }
 
-#[derive(Clone, Debug, Serialize, Deserialize)]
-pub struct ThumbnailFullResponse {
-    pub metadata: ThumbnailMetadataResponse,
-    pub data: Vec<u8>,
-}
+pub type ThumbnailFullResponse = TandemPayload<ThumbnailMetadataResponse, BytePayload>;