diff --git a/src/ncw-api-client.ts b/src/ncw-api-client.ts
index 592ab556..45efa643 100644
--- a/src/ncw-api-client.ts
+++ b/src/ncw-api-client.ts
@@ -6,6 +6,9 @@ import {
 } from "./types";
 import { NcwSdk } from "./ncw-sdk";
 
+function normalizePath(rawPath: string) {
+    return rawPath.replace(/\?$/, "");
+}
 export class NcwApiClient implements NcwSdk {
     private readonly NCW_BASE_PATH = "/v1/ncw/wallets";
 
@@ -17,8 +20,8 @@ export class NcwApiClient implements NcwSdk {
             ...(pageSize && { pageSize: pageSize.toString() }),
             ...(onlyBaseAssets !== undefined && { onlyBaseAssets: String(onlyBaseAssets) }),
         });
-
-        return await this.apiClient.issueGetRequest(`${this.NCW_BASE_PATH}/supported_assets?${params.toString()}`);
+        const url = normalizePath(`${this.NCW_BASE_PATH}/supported_assets?${params.toString()}`);
+        return await this.apiClient.issueGetRequest(url);
     }
 
     public async createWallet(): Promise<{ walletId: string; enabled: boolean; }> {
@@ -77,7 +80,8 @@ export class NcwApiClient implements NcwSdk {
             ...(order && { order }),
         });
 
-        return await this.apiClient.issueGetRequest(`${this.NCW_BASE_PATH}?${params.toString()}`);
+        const url = normalizePath(`${this.NCW_BASE_PATH}?${params.toString()}`);
+        return await this.apiClient.issueGetRequest(url);
     }
 
     public async getWalletAccounts(walletId: string, { pageCursor, pageSize, sort, order }: NCW.GetWalletsPayload = {}): Promise<Web3PagedResponse<{
@@ -91,8 +95,8 @@ export class NcwApiClient implements NcwSdk {
             ...(order && { order }),
         });
 
-        return await this.apiClient.issueGetRequest(
-            `${this.NCW_BASE_PATH}/${walletId}/accounts?${params.toString()}`);
+        const url = normalizePath(`${this.NCW_BASE_PATH}/${walletId}/accounts?${params.toString()}`);
+        return await this.apiClient.issueGetRequest(url);
     }
 
     public async getWalletAccount(walletId: string, accountId: number): Promise<{
@@ -111,8 +115,8 @@ export class NcwApiClient implements NcwSdk {
             ...(order && { order }),
         });
 
-        return await this.apiClient.issueGetRequest(
-            `${this.NCW_BASE_PATH}/${walletId}/accounts/${accountId}/assets?${params.toString()}`);
+        const url = normalizePath(`${this.NCW_BASE_PATH}/${walletId}/accounts/${accountId}/assets?${params.toString()}`);
+        return await this.apiClient.issueGetRequest(url);
     }
 
     public async getWalletAsset(walletId: string, accountId: number, assetId: string): Promise<NCW.WalletAssetResponse> {
@@ -133,8 +137,8 @@ export class NcwApiClient implements NcwSdk {
             ...(order && { order }),
         });
 
-        return await this.apiClient.issueGetRequest(
-            `${this.NCW_BASE_PATH}/${walletId}/accounts/${accountId}/assets/${assetId}/addresses?${params.toString()}`);
+        const url = normalizePath(`${this.NCW_BASE_PATH}/${walletId}/accounts/${accountId}/assets/${assetId}/addresses?${params.toString()}`);
+        return await this.apiClient.issueGetRequest(url);
     }
 
     public async getWalletAssetBalance(walletId: string, accountId: number, assetId: string): Promise<AssetResponse> {