diff --git a/package-lock.json b/package-lock.json
index e593e22..fd1b9af 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.23.0-rc3",
+  "version": "0.23.0-rc4",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@orionprotocol/sdk",
-      "version": "0.23.0-rc3",
+      "version": "0.23.0-rc4",
       "hasInstallScript": true,
       "license": "ISC",
       "dependencies": {
diff --git a/package.json b/package.json
index ac36d1d..2e68f4b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.23.0-rc3",
+  "version": "0.23.0-rc4",
   "description": "Orion Protocol SDK",
   "main": "./lib/index.cjs",
   "module": "./lib/index.js",
diff --git a/src/services/Aggregator/index.ts b/src/services/Aggregator/index.ts
index 76719d7..f1a0516 100644
--- a/src/services/Aggregator/index.ts
+++ b/src/services/Aggregator/index.ts
@@ -71,7 +71,6 @@ class Aggregator {
     this.getTradeProfits = this.getTradeProfits.bind(this);
     this.getStableCoins = this.getStableCoins.bind(this);
     this.placeAtomicSwap = this.placeAtomicSwap.bind(this);
-    this.getAtomicSwapFee = this.getAtomicSwapFee.bind(this);
     this.placeOrder = this.placeOrder.bind(this);
     this.placeLockOrder = this.placeLockOrder.bind(this);
     this.cancelOrder = this.cancelOrder.bind(this);
@@ -445,17 +444,6 @@ class Aggregator {
     errorSchema,
   );
 
-  /**
-     * Get atomic swap fee in current chain
-     * @returns Fee in percents
-     */
-  getAtomicSwapFee = () => fetchWithValidation(
-    `${this.apiUrl}/api/v1/atomic/swap-fee`,
-    z.string(),
-    { headers: this.basicAuthHeaders },
-    errorSchema,
-  );
-
   /**
      * Get placed atomic swaps. Each atomic swap received from this list has a target chain corresponding to this Aggregator
      * @param sender Sender address
diff --git a/src/services/BlockchainService/index.ts b/src/services/BlockchainService/index.ts
index ceacbcb..885a4f6 100644
--- a/src/services/BlockchainService/index.ts
+++ b/src/services/BlockchainService/index.ts
@@ -20,6 +20,7 @@ import { makePartial } from '../../utils';
 import type { networkCodes } from '../../constants/index.js';
 import { fetchWithValidation } from 'simple-typed-fetch';
 import type { BasicAuthCredentials } from '../../types.js';
+import errorSchema from '../Aggregator/schemas/errorSchema';
 
 type IAdminAuthHeaders = {
   auth: string
@@ -115,6 +116,7 @@ class BlockchainService {
     this.claimOrder = this.claimOrder.bind(this);
     this.getGasLimits = this.getGasLimits.bind(this);
     this.getExchangeContractWalletBalance = this.getExchangeContractWalletBalance.bind(this);
+    this.getAtomicSwapFee = this.getAtomicSwapFee.bind(this);
   }
 
   get basicAuthHeaders() {
@@ -491,6 +493,17 @@ class BlockchainService {
     },
   );
 
+  /**
+     * Get atomic swap fee in current chain
+     * @returns Fee in percents
+     */
+  getAtomicSwapFee = () => fetchWithValidation(
+    `${this.apiUrl}/api/v1/atomic/swap-fee`,
+    z.string(),
+    { headers: this.basicAuthHeaders },
+    errorSchema,
+  );
+
   getGasLimits = () => fetchWithValidation(
     `${this.apiUrl}/api/baseLimits`,
     z.record(z.number()),