Changelog

All notable changes to Xellar's services will be documented in this file.

[July 2025]

• User Permission System

  • Added new additional security layer with user permission system
  • Enhanced app-level security controls for better access management

• Wallet Action Version 2

  • Wallet action version 2 will now throw error 407 when app ID is not granted user permission
  • Improved error handling for unauthorized access attempts

• Embedded Wallet Authentication

  • Username/password authentication in embedded wallet is deprecated
  • Changed to custody authentication for enhanced security

[April 2025]

• Multi-App Support

  • Introduced app-based architecture
  • Organizations can now create and manage multiple apps under a single account
  • Each app has its own unique identifier (appId)

• New Dashboard Interface

  • Enhanced UI design for better user experience
  • Added new app management interface

  

• Embedded Wallet SDK

  • Updated SDK initialization process
  • Added optional appId parameter during initialization

• Account Abstraction API

  • Updated authentication to use X-APP-ID header instead of using X-CLIENT-ID
  • Added appId field in API responses object

• Xellar Kit

  • Change kit initialization to using appId
  • Automatic configuration fetching from dashboard settings

import React from "react";
import { Config, WagmiProvider } from "wagmi";
import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
import { XellarKitProvider, defaultConfig, darkTheme } from "@xellar/kit";
import { polygonAmoy } from "viem/chains";
 
const walletConnectProjectId = import.meta.env.VITE_WALLET_CONNECT_PROJECT_ID;
 
const config = defaultConfig({
  appName: "Xellar",
  walletConnectProjectId,
  xellarAppId: import.meta.env.VITE_XELLAR_APP_ID,
  xellarEnv: "sandbox",
  chains: [polygonAmoy],
}) as Config;
 
const queryClient = new QueryClient();
 
export const Web3Provider = ({ children }: { children: React.ReactNode }) => {
  return (
    <WagmiProvider config={config}>
      <QueryClientProvider client={queryClient}>
        // remove other params
        <XellarKitProvider theme={darkTheme}>{children}</XellarKitProvider>
      </QueryClientProvider>
    </WagmiProvider>
  );
};

• MPC TSS API
  • Updated authentication to use X-APP-ID header instead of using X-CLIENT-ID