diff --git a/package.json b/package.json
index cebbbfd..06f2b5f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.19.77",
+  "version": "0.19.58-rc6",
   "description": "Orion Protocol SDK",
   "main": "./lib/index.cjs",
   "module": "./lib/index.js",
@@ -114,3 +114,4 @@
     "tsconfig-paths": "^4.0.0"
   }
 }
+
diff --git a/src/Unit/Exchange/getSwapInfo.ts b/src/Unit/Exchange/getSwapInfo.ts
index e6c0f9e..aa3e315 100644
--- a/src/Unit/Exchange/getSwapInfo.ts
+++ b/src/Unit/Exchange/getSwapInfo.ts
@@ -18,7 +18,8 @@ export type GetSwapInfoParams = {
   options?: {
     instantSettlement?: boolean
     poolOnly?: boolean
-  }
+  },
+  walletAddress?: string,
 }
 
 export default async function getSwapInfo({
@@ -30,6 +31,7 @@ export default async function getSwapInfo({
   blockchainService,
   aggregator,
   options,
+  walletAddress,
 }: GetSwapInfoParams) {
   if (amount === '') throw new Error('Amount can not be empty');
   if (assetIn === '') throw new Error('AssetIn can not be empty');
@@ -45,7 +47,7 @@ export default async function getSwapInfo({
   } = await simpleFetch(blockchainService.getInfo)();
   const nativeCryptocurrencyName = getNativeCryptocurrencyName(assetToAddress);
 
-  const feeAssets = await simpleFetch(blockchainService.getTokensFee)();
+  const feeAssets = await simpleFetch(blockchainService.getPlatformFees)({ walletAddress, assetIn, assetOut });
   const allPrices = await simpleFetch(blockchainService.getPricesWithQuoteAsset)();
   const gasPriceWei = await simpleFetch(blockchainService.getGasPriceWei)();
 
diff --git a/src/Unit/Exchange/swapLimit.ts b/src/Unit/Exchange/swapLimit.ts
index 3b62706..11a9d06 100644
--- a/src/Unit/Exchange/swapLimit.ts
+++ b/src/Unit/Exchange/swapLimit.ts
@@ -89,7 +89,7 @@ export default async function swapLimit({
   const nativeCryptocurrency = getNativeCryptocurrencyName(assetToAddress);
 
   const exchangeContract = Exchange__factory.connect(exchangeContractAddress, provider);
-  const feeAssets = await simpleFetch(blockchainService.getTokensFee)();
+  const feeAssets = await simpleFetch(blockchainService.getPlatformFees)({ walletAddress, assetIn, assetOut });
   const allPrices = await simpleFetch(blockchainService.getPricesWithQuoteAsset)();
   const gasPriceWei = await simpleFetch(blockchainService.getGasPriceWei)();
   const { factories } = await simpleFetch(blockchainService.getPoolsConfig)();
diff --git a/src/Unit/Exchange/swapMarket.ts b/src/Unit/Exchange/swapMarket.ts
index 2ac8e2f..22ceaf1 100644
--- a/src/Unit/Exchange/swapMarket.ts
+++ b/src/Unit/Exchange/swapMarket.ts
@@ -74,7 +74,7 @@ export default async function swapMarket({
   const nativeCryptocurrency = getNativeCryptocurrencyName(assetToAddress);
 
   const exchangeContract = Exchange__factory.connect(exchangeContractAddress, provider);
-  const feeAssets = await simpleFetch(blockchainService.getTokensFee)();
+  const feeAssets = await simpleFetch(blockchainService.getPlatformFees)({ walletAddress, assetIn, assetOut });
   const allPrices = await simpleFetch(blockchainService.getPricesWithQuoteAsset)();
   const gasPriceWei = await simpleFetch(blockchainService.getGasPriceWei)();
   const { factories } = await simpleFetch(blockchainService.getPoolsConfig)();
diff --git a/src/services/Aggregator/index.ts b/src/services/Aggregator/index.ts
index 7a220b3..6da1b14 100644
--- a/src/services/Aggregator/index.ts
+++ b/src/services/Aggregator/index.ts
@@ -196,6 +196,7 @@ class Aggregator {
     isCreateInternalOrder: boolean,
     isReversedOrder?: boolean,
     partnerId?: string,
+    fromWidget?: boolean,
   ) => {
     const headers = {
       'Content-Type': 'application/json',
@@ -204,6 +205,7 @@ class Aggregator {
         'X-Reverse-Order': isReversedOrder ? 'true' : 'false',
       },
       ...(partnerId !== undefined) && { 'X-Partner-Id': partnerId },
+      ...(fromWidget !== undefined) && { 'X-From-Widget': fromWidget ? 'true' : 'false' },
       ...this.basicAuthHeaders,
     };
 
diff --git a/src/services/BlockchainService/index.ts b/src/services/BlockchainService/index.ts
index df239e9..8ac862e 100644
--- a/src/services/BlockchainService/index.ts
+++ b/src/services/BlockchainService/index.ts
@@ -86,6 +86,7 @@ class BlockchainService {
     this.getHistory = this.getHistory.bind(this);
     this.getPricesWithQuoteAsset = this.getPricesWithQuoteAsset.bind(this);
     this.getTokensFee = this.getTokensFee.bind(this);
+    this.getPlatformFees = this.getPlatformFees.bind(this);
     this.getGasPriceWei = this.getGasPriceWei.bind(this);
     this.checkFreeRedeemAvailable = this.checkFreeRedeemAvailable.bind(this);
     this.redeemAtomicSwap = this.redeemAtomicSwap.bind(this);
@@ -221,12 +222,48 @@ class BlockchainService {
     { headers: this.basicAuthHeaders }
   );
 
+  /**
+   * @deprecated In favor of getPlatformFees
+   */
   getTokensFee = () => fetchWithValidation(
     `${this.apiUrl}/api/tokensFee`,
     z.record(z.string()).transform(makePartial),
     { headers: this.basicAuthHeaders }
   );
 
+  getPlatformFees = (
+    { assetIn, assetOut, walletAddress, fromWidget }: {
+      assetIn?: string | undefined,
+      assetOut?: string | undefined,
+      walletAddress?: string | undefined,
+      fromWidget?: string | undefined
+    }
+  ) => {
+    const url = new URL(`${this.apiUrl}/api/platform-fees`);
+
+    if (assetIn !== undefined) {
+      url.searchParams.append('assetIn', assetIn);
+    }
+
+    if (assetOut !== undefined) {
+      url.searchParams.append('assetOut', assetOut);
+    }
+
+    if (walletAddress !== undefined) {
+      url.searchParams.append('walletAddress', walletAddress);
+    }
+
+    if (fromWidget !== undefined) {
+      url.searchParams.append('fromWidget', fromWidget);
+    }
+
+    return fetchWithValidation(
+      url.toString(),
+      z.record(z.string()).transform(makePartial),
+      { headers: this.basicAuthHeaders }
+    )
+  };
+
   getGasPriceWei = () => fetchWithValidation(
     `${this.apiUrl}/api/gasPrice`,
     z.string(),
diff --git a/src/services/ReferralSystem/index.ts b/src/services/ReferralSystem/index.ts
index 7711906..bd5c860 100644
--- a/src/services/ReferralSystem/index.ts
+++ b/src/services/ReferralSystem/index.ts
@@ -1,3 +1,4 @@
+import { z } from 'zod';
 import { fetchWithValidation } from 'simple-typed-fetch';
 import {
   errorSchema,
@@ -39,6 +40,13 @@ type SignatureType = {
   signature: string
 };
 
+type submitTransactionDataForWidgetPayload = {
+  partner_domain: string
+  sender_address: string
+  tx_hash: string
+  chain_id: number
+}
+
 class ReferralSystem {
   private readonly apiUrl: string
 
@@ -65,6 +73,7 @@ class ReferralSystem {
     this.getContractsAddresses = this.getContractsAddresses.bind(this);
     this.getClaimInfo = this.getClaimInfo.bind(this);
     this.getAggregatedHistory = this.getAggregatedHistory.bind(this);
+    this.submitTransactionDataForWidget = this.submitTransactionDataForWidget.bind(this);
   }
 
   getLink = (refererAddress: string) =>
@@ -264,6 +273,20 @@ class ReferralSystem {
       errorSchema
     );
   };
+
+  submitTransactionDataForWidget = (payload: submitTransactionDataForWidgetPayload) => {
+    return fetchWithValidation(
+      `${this.apiUrl}/referer/widget/submit`,
+      z.unknown(),
+      {
+        headers: {
+          'Content-type': 'application/json',
+        },
+        method: 'POST',
+        body: JSON.stringify(payload)
+      }
+    );
+  };
 }
 
 export * as schemas from './schemas/index.js';