diff --git a/lazer/sdk/rust/protocol/src/api.rs b/lazer/sdk/rust/protocol/src/api.rs
index c1488b3877..082a02391f 100644
--- a/lazer/sdk/rust/protocol/src/api.rs
+++ b/lazer/sdk/rust/protocol/src/api.rs
@@ -1,18 +1,20 @@
 use serde::{Deserialize, Serialize};
 
-use crate::{payload::AggregatedPriceFeedData, router::PriceFeedId};
+use crate::{
+    payload::AggregatedPriceFeedData,
+    router::{JsonUpdate, PriceFeedId},
+};
 
-/// A request sent from the client to the server.
 #[derive(Debug, Clone, Serialize, Deserialize)]
-#[serde(tag = "type")]
 #[serde(rename_all = "camelCase")]
-pub enum ApiRequest {
-    LatestPrice(LatestPriceRequest),
+pub struct LatestPriceRequest {
+    pub price_feed_ids: Vec<PriceFeedId>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
-pub struct LatestPriceRequest {
+pub struct ReducePriceRequest {
+    pub payload: JsonUpdate,
     pub price_feed_ids: Vec<PriceFeedId>,
 }
 
@@ -22,6 +24,12 @@ pub struct LatestPriceResponse {
     pub latest_prices: Vec<LatestPrice>,
 }
 
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct ReducePriceResponse {
+    pub payload: JsonUpdate,
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct LatestPrice {