diff --git a/livekit-ffi/protocol/ffi.proto b/livekit-ffi/protocol/ffi.proto
index 4279cab2..8c715bbf 100644
--- a/livekit-ffi/protocol/ffi.proto
+++ b/livekit-ffi/protocol/ffi.proto
@@ -111,6 +111,11 @@ message FfiRequest {
     // Track Publication
     EnableRemoteTrackPublicationRequest enable_remote_track_publication = 42;
     UpdateRemoteTrackPublicationDimensionRequest update_remote_track_publication_dimension = 43;
+
+    // Data Streams
+    SendStreamHeaderRequest send_stream_header = 44;
+    SendStreamChunkRequest send_stream_chunk = 45;
+
   }
 }
 
@@ -168,6 +173,10 @@ message FfiResponse {
     // Track Publication
     EnableRemoteTrackPublicationResponse enable_remote_track_publication = 41;
     UpdateRemoteTrackPublicationDimensionResponse update_remote_track_publication_dimension = 42;
+
+     // Data Streams
+     SendStreamHeaderResponse send_stream_header = 43;
+     SendStreamChunkResponse send_stream_chunk = 44;
   }
 }
 
diff --git a/livekit-ffi/src/livekit.proto.rs b/livekit-ffi/src/livekit.proto.rs
index d455652e..ee6f7053 100644
--- a/livekit-ffi/src/livekit.proto.rs
+++ b/livekit-ffi/src/livekit.proto.rs
@@ -3946,7 +3946,7 @@ pub struct RpcMethodInvocationEvent {
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct FfiRequest {
-    #[prost(oneof="ffi_request::Message", tags="2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43")]
+    #[prost(oneof="ffi_request::Message", tags="2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45")]
     pub message: ::core::option::Option<ffi_request::Message>,
 }
 /// Nested message and enum types in `FfiRequest`.
@@ -4044,13 +4044,18 @@ pub mod ffi_request {
         EnableRemoteTrackPublication(super::EnableRemoteTrackPublicationRequest),
         #[prost(message, tag="43")]
         UpdateRemoteTrackPublicationDimension(super::UpdateRemoteTrackPublicationDimensionRequest),
+        /// Data Streams
+        #[prost(message, tag="44")]
+        SendStreamHeader(super::SendStreamHeaderRequest),
+        #[prost(message, tag="45")]
+        SendStreamChunk(super::SendStreamChunkRequest),
     }
 }
 /// This is the output of livekit_ffi_request function.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct FfiResponse {
-    #[prost(oneof="ffi_response::Message", tags="2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42")]
+    #[prost(oneof="ffi_response::Message", tags="2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44")]
     pub message: ::core::option::Option<ffi_response::Message>,
 }
 /// Nested message and enum types in `FfiResponse`.
@@ -4146,6 +4151,11 @@ pub mod ffi_response {
         EnableRemoteTrackPublication(super::EnableRemoteTrackPublicationResponse),
         #[prost(message, tag="42")]
         UpdateRemoteTrackPublicationDimension(super::UpdateRemoteTrackPublicationDimensionResponse),
+        /// Data Streams
+        #[prost(message, tag="43")]
+        SendStreamHeader(super::SendStreamHeaderResponse),
+        #[prost(message, tag="44")]
+        SendStreamChunk(super::SendStreamChunkResponse),
     }
 }
 /// To minimize complexity, participant events are not included in the protocol.
diff --git a/livekit-ffi/src/server/requests.rs b/livekit-ffi/src/server/requests.rs
index 274a9ac0..c2831801 100644
--- a/livekit-ffi/src/server/requests.rs
+++ b/livekit-ffi/src/server/requests.rs
@@ -1057,6 +1057,12 @@ pub fn handle_request(
                 on_update_remote_track_publication_dimension(server, request)?,
             )
         }
+        proto::ffi_request::Message::SendStreamHeader(request) => {
+            proto::ffi_response::Message::SendStreamHeader(on_send_stream_header(server, request)?)
+        }
+        proto::ffi_request::Message::SendStreamChunk(request) => {
+            proto::ffi_response::Message::SendStreamChunk(on_send_stream_chunk(server, request)?)
+        }
     });
 
     Ok(res)