diff --git a/lazer/contracts/sui/sdk/js/examples/fetch-and-verify-update.ts b/lazer/contracts/sui/sdk/js/examples/fetch-and-verify-update.ts
index 47a3c0dd76..7dabeb7b6e 100644
--- a/lazer/contracts/sui/sdk/js/examples/fetch-and-verify-update.ts
+++ b/lazer/contracts/sui/sdk/js/examples/fetch-and-verify-update.ts
@@ -12,7 +12,7 @@ async function getOneLeEcdsaUpdate(token: string) {
     token,
   });
 
-  const latestPrice = await lazer.get_latest_price({
+  const latestPrice = await lazer.getLatestPrice({
     priceFeedIds: [1],
     properties: ["price", "bestBidPrice", "bestAskPrice", "exponent"],
     formats: ["leEcdsa"],
diff --git a/lazer/contracts/sui/sdk/js/package.json b/lazer/contracts/sui/sdk/js/package.json
index 19c61b3ce7..283b0cb56e 100644
--- a/lazer/contracts/sui/sdk/js/package.json
+++ b/lazer/contracts/sui/sdk/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@pythnetwork/pyth-lazer-sui-js",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "description": "TypeScript SDK for the Pyth Lazer Sui contract",
   "license": "Apache-2.0",
   "type": "module",
diff --git a/lazer/sdk/js/examples/history.ts b/lazer/sdk/js/examples/history.ts
index 7798618aff..f65e35cff0 100644
--- a/lazer/sdk/js/examples/history.ts
+++ b/lazer/sdk/js/examples/history.ts
@@ -10,7 +10,7 @@ const client = await PythLazerClient.create({
 
 // Example 1: Get latest price for BTC using feed IDs
 console.log("\n=== Example 1: Latest BTC price (requested with feed ID) ===");
-const response1 = await client.get_latest_price({
+const response1 = await client.getLatestPrice({
   priceFeedIds: [1],
   properties: ["price", "confidence", "exponent"],
   formats: [],
@@ -22,7 +22,7 @@ displayParsedPrices(response1);
 
 // Example 2: Get latest price using symbols
 console.log("\n=== Example 2: Latest ETH price (requested with symbols) ===");
-const response2 = await client.get_latest_price({
+const response2 = await client.getLatestPrice({
   priceFeedIds: [2],
   properties: ["price", "confidence", "exponent"],
   formats: [],
@@ -37,7 +37,7 @@ const timestamp = 1_754_348_458_565_000;
 console.log(
   `Requesting price from timestamp: ${timestamp.toString()} (${new Date(timestamp / 1000).toISOString()})`,
 );
-const response3 = await client.get_price({
+const response3 = await client.getPrice({
   timestamp: timestamp,
   priceFeedIds: [1],
   properties: ["price", "confidence", "exponent"],
diff --git a/lazer/sdk/js/examples/streaming.ts b/lazer/sdk/js/examples/streaming.ts
index 1fdbfc5631..890e13d48f 100644
--- a/lazer/sdk/js/examples/streaming.ts
+++ b/lazer/sdk/js/examples/streaming.ts
@@ -40,7 +40,7 @@ const client = await PythLazerClient.create({
 });
 
 // Fetch current map of price feeds
-void client.get_symbols().then((symbols) => {
+void client.getSymbols().then((symbols) => {
   for (const symbol of symbols) {
     symbolsMap.set(symbol.pyth_lazer_id, symbol.symbol);
   }
diff --git a/lazer/sdk/js/examples/symbols.ts b/lazer/sdk/js/examples/symbols.ts
index afe9e8ef88..abf8ae1844 100644
--- a/lazer/sdk/js/examples/symbols.ts
+++ b/lazer/sdk/js/examples/symbols.ts
@@ -9,19 +9,19 @@ const client = await PythLazerClient.create({
 
 // Example 1: Get latest price for BTC using feed IDs
 console.log("\n=== Example 1: Search feeds by name/symbol ===");
-const response1 = await client.get_symbols({ query: "BTC" });
+const response1 = await client.getSymbols({ query: "BTC" });
 console.log(response1);
 
 // Example 2: Get latest price using symbols
 console.log("\n=== Example 2: Get feeds by asset type ===");
-const response2 = await client.get_symbols({
+const response2 = await client.getSymbols({
   asset_type: "equity",
 });
 console.log(response2);
 
 // Example 3: Get feeds by asset type and query
 console.log("\n=== Example 3: Get feeds by asset type and name/symbol ===");
-const response3 = await client.get_symbols({
+const response3 = await client.getSymbols({
   asset_type: "equity",
   query: "AAPL",
 });
diff --git a/lazer/sdk/js/package.json b/lazer/sdk/js/package.json
index 85dece8006..809427f2d0 100644
--- a/lazer/sdk/js/package.json
+++ b/lazer/sdk/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@pythnetwork/pyth-lazer-sdk",
-  "version": "3.0.1",
+  "version": "4.0.0",
   "description": "Pyth Lazer SDK",
   "publishConfig": {
     "access": "public"
diff --git a/lazer/sdk/js/src/client.ts b/lazer/sdk/js/src/client.ts
index 7bdc16c4bc..56c220955a 100644
--- a/lazer/sdk/js/src/client.ts
+++ b/lazer/sdk/js/src/client.ts
@@ -222,7 +222,7 @@ export class PythLazerClient {
    * @param params - Optional query parameters to filter symbols
    * @returns Promise resolving to array of symbol information
    */
-  async get_symbols(params?: SymbolsQueryParams): Promise<SymbolResponse[]> {
+  async getSymbols(params?: SymbolsQueryParams): Promise<SymbolResponse[]> {
     const url = new URL(`${this.metadataServiceUrl}/v1/symbols`);
 
     if (params?.query) {
@@ -252,12 +252,12 @@ export class PythLazerClient {
    * @param params - Parameters for the latest price request
    * @returns Promise resolving to JsonUpdate with current price data
    */
-  async get_latest_price(params: LatestPriceRequest): Promise<JsonUpdate> {
+  async getLatestPrice(params: LatestPriceRequest): Promise<JsonUpdate> {
     const url = `${this.priceServiceUrl}/v1/latest_price`;
 
     try {
       const body = JSON.stringify(params);
-      this.logger.debug("get_latest_price", { url, body });
+      this.logger.debug("getLatestPrice", { url, body });
       const response = await this.authenticatedFetch(url, {
         method: "POST",
         headers: {
@@ -283,12 +283,12 @@ export class PythLazerClient {
    * @param params - Parameters for the price request including timestamp
    * @returns Promise resolving to JsonUpdate with price data at the specified time
    */
-  async get_price(params: PriceRequest): Promise<JsonUpdate> {
+  async getPrice(params: PriceRequest): Promise<JsonUpdate> {
     const url = `${this.priceServiceUrl}/v1/price`;
 
     try {
       const body = JSON.stringify(params);
-      this.logger.debug("get_price", { url, body });
+      this.logger.debug("getPrice", { url, body });
       const response = await this.authenticatedFetch(url, {
         method: "POST",
         headers: {