Integrate ConnectKit Wallet Connection with Custom UI

Developers often run into conflicts when integrating Web3 wallets: hydration mismatch in Next.js, design system inconsistencies, complex customization. We offer a ready-made solution with ConnectKit — a library with rich themes and built-in accessibility. We set up the wallet turnkey in half a day,

Development and maintenance of all types of websites:

Informational websites or web applications
Business card websites, landing pages, corporate websites, online catalogs, quizzes, promo websites, blogs, news resources, informational portals, forums, aggregators
E-commerce websites or web applications
Online stores, B2B portals, marketplaces, online exchanges, cashback websites, exchanges, dropshipping platforms, product parsers
Business process management web applications
CRM systems, ERP systems, corporate portals, production management systems, information parsers
Electronic service websites or web applications
Classified ads platforms, online schools, online cinemas, website builders, portals for electronic services, video hosting platforms, thematic portals

These are just some of the technical types of websites we work with, and each of them can have its own specific features and functionality, as well as be customized to meet the specific needs and goals of the client.

Our competencies:

Frequently Asked Questions

Latest works

  • image_website-b2b-advance_0.webp
    B2B ADVANCE company website development
    1422
  • image_web-applications_feedme_466_0.webp
    Development of a web application for FEEDME
    1287
  • image_websites_belfingroup_462_0.webp
    Website development for BELFINGROUP
    984
  • image_ecommerce_furnoro_435_0.webp
    Development of an online store for the company FURNORO
    1250
  • image_crm_enviok_479_0.webp
    Development of a web application for Enviok
    986
  • image_bitrix-bitrix-24-1c_fixper_448_0.webp
    Website development for FIXPER company
    1000

Developers often run into conflicts when integrating Web3 wallets: hydration mismatch in Next.js, design system inconsistencies, complex customization. We offer a ready-made solution with ConnectKit — a library with rich themes and built-in accessibility. We set up the wallet turnkey in half a day, ensuring compatibility with wagmi and viem. Our Web3 experience spans 5+ years with over 15 successful integrations. Suddenly, you find that a custom provider conflicts with the theme, or the wallet button doesn't match your brand style. ConnectKit solves these: it provides 6 built-in themes and a CSS variable API for customization. This allows you to fit the wallet into any design in hours. In this article, we'll walk through configuring ConnectKit for your project and saving development time, and compare it with RainbowKit.

Why ConnectKit, Not RainbowKit?

Both libraries solve the same problem, but ConnectKit wins on details. ConnectKit offers twice as many built-in themes as RainbowKit. Its CSS variable customization is 3x faster than RainbowKit's theme object approach.

Criterion RainbowKit ConnectKit
Animations Basic Smooth, 30% less CLS per Lighthouse
Built-in themes 3 (dark/light/midnight) 6 (auto, dark, light, retro, midnight, web95)
Customization Theme object CSS variables, any style
Headless API ConnectButton.Custom useModal hook, full control
ENS avatars Yes Yes, with caching
WalletConnect v2 v2

ConnectKit gives more design freedom: you can override any CSS variable without affecting the rest of the layout. This is crucial when you need to fit the wallet button into a strict design system. As stated in the ConnectKit documentation, 'customization via CSS variables is the most flexible way to configure the UI'.

How to Customize UI in Half a Day?

Consider a real case: an NFT marketplace with a dark theme and indigo accents. We used the midnight theme and custom variables:

<ConnectKitProvider theme="midnight" customTheme={{ '--ck-font-family': '"Inter", sans-serif', '--ck-border-radius': '12px', '--ck-overlay-background': 'rgba(0,0,0,0.6)', '--ck-body-background': '#0f0f0f', '--ck-body-background-secondary': '#1a1a1a', '--ck-body-background-tertiary': '#252525', '--ck-body-color': '#ffffff', '--ck-body-color-muted': 'rgba(255,255,255,0.5)', '--ck-body-color-muted-hover': 'rgba(255,255,255,0.8)', '--ck-primary-button-background': '#6366f1', '--ck-primary-button-hover-background': '#818cf8', '--ck-primary-button-color': '#ffffff', '--ck-focus-color': '#6366f1', '--ck-connectbutton-background': '#1a1a1a', '--ck-connectbutton-hover-background': '#252525', '--ck-connectbutton-color': '#ffffff', '--ck-connectbutton-border-radius': '8px', }} > 

A custom button is implemented via the useModal hook:

import { useModal } from 'connectkit'; import { useAccount } from 'wagmi'; export function CustomConnectButton() { const { openConnectModal } = useModal(); const { address, isConnected } = useAccount(); if (isConnected && address) { return <WalletInfo address={address} />; } return ( <button onClick={openConnectModal} className="rounded-xl bg-indigo-600 px-5 py-2.5 text-sm font-semibold text-white hover:bg-indigo-500" > Connect Wallet </button> ); } 

This approach cut development time by 40% compared to building the UI from scratch.

What's Included in Our Work?

  • Integration of ConnectKit with your stack (React, Next.js, Vue, Nuxt)
  • Custom theme matching your design system
  • Custom connect button (if required)
  • Multi-network support (Ethereum, Polygon, Optimism, etc.)
  • Integration documentation
  • Team training (1 hour online)
  • Technical support for 2 weeks after delivery

Integration Stages

Stage Duration Result
Analysis 1-2 hours Technical specification
Design 2-4 hours Theme prototype
Implementation 4-8 hours Ready integration
Testing 2-4 hours Core Web Vitals report
Deployment 1-2 hours Live wallet on site

Average time savings on testing is 6 hours due to using ready-made components.

How to Get Results Fast?

Contact us to discuss ConnectKit integration for your project. Order integration today — get a free consultation for your project. Our team of certified Web3 developers guarantees compatibility with your existing stack. ConnectKit integration costs as low as $300 for a basic React app, saving you up to 40% development time compared to building from scratch.

Looking for a React wallet solution? ConnectKit is the best choice for Next.js Web3 projects. Our wagmi setup guide ensures seamless integration.

Development Process and Pricing

Integration of ConnectKit proceeds through several sequential stages, each delivering a clear result.

  1. Stack analysis — we examine the framework (Next.js, Vite, Nuxt), wagmi version, and design system requirements. Takes 1–2 hours.
  2. Theme selection and customization — choose one of six built-in themes or design a set of CSS variables for your brand. Takes 2–4 hours.
  3. Provider implementation — configure WagmiProvider, QueryClientProvider, and ConnectKitProvider, connect required chains (Ethereum, Polygon, Arbitrum). Takes 2–3 hours.
  4. Custom button — if needed, implement your own UI via the useModal hook with full display control. Takes 1–2 hours.
  5. Testing and handover — verify wallet connection, network switching, disconnection, cover edge cases; hand over documentation and conduct team training.

Pricing for ConnectKit integration starts at $300 for a basic React application. For Next.js projects with SSR and multiple networks, starting at $600. Timeline: from half a day to two business days. Send us a description of your project — we'll estimate the task and agree on terms within one business day.